{"id":13673,"date":"2014-10-09T14:20:54","date_gmt":"2014-10-09T07:20:54","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=13673"},"modified":"2014-10-02T10:01:41","modified_gmt":"2014-10-02T03:01:41","slug":"bao-cao-ket-qua-de-tai-nghien-cuu-mot-so-giai-phap-ky-thuat-tham-canh-rung-trong-go-nguyen-lieu-tai-tinh-quang-tri","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/bao-cao-ket-qua-de-tai-nghien-cuu-mot-so-giai-phap-ky-thuat-tham-canh-rung-trong-go-nguyen-lieu-tai-tinh-quang-tri\/","title":{"rendered":"B\u00e1o c\u00e1o k\u1ebft qu\u1ea3 \u0111\u1ec1 t\u00e0i: Nghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt th\u00e2m canh r\u1eebng tr\u1ed3ng g\u1ed7 nguy\u00ean li\u1ec7u t\u1ea1i t\u1ec9nh Qu\u1ea3ng Tr\u1ecb"},"content":{"rendered":"

I. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/h1>\n

Theo Chi\u1ebfn l\u01b0\u1ee3c ph\u00e1t tri\u1ec3n l\u00e2m nghi\u1ec7p t\u1ec9nh Qu\u1ea3ng Tr\u1ecb giai \u0111o\u1ea1n 2005 – 2010 th\u00ec t\u00e0i nguy\u00ean \u0111\u1ea5t tr\u1ed1ng n\u00fai tr\u1ecdc c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t tri\u1ec3n l\u00e2m nghi\u1ec7p c\u1ee7a T\u1ec9nh Qu\u1ea3ng Tr\u1ecb kh\u00e1 l\u1edbn (kho\u1ea3ng g\u1ea7n 165.000 ha). \u0110\u1ebfn nay vi\u1ec7c khai th\u00e1c t\u00e0i nguy\u00ean r\u1eebng \u1edf Qu\u1ea3ng Tr\u1ecb ch\u01b0a \u0111\u01b0\u1ee3c ph\u00e1t huy \u0111\u00fang v\u1edbi ti\u1ec1m n\u0103ng c\u1ee7a n\u00f3. G\u1ea7n \u0111\u00e2y c\u00e1c nh\u00e0 m\u00e1y d\u0103m gi\u1ea5y v\u00e0 v\u00e1n d\u0103m m\u1ecdc l\u00ean r\u1ea5t nhi\u1ec1u, t\u00ednh t\u1eeb H\u00e0 T\u0129nh \u0111\u1ebfn \u0110\u00e0 N\u1eb5ng b\u00ecnh qu\u00e2n h\u00e0ng n\u0103m c\u00e1c nh\u00e0 m\u00e1y n\u00e0y ti\u00eau th\u1ee5 v\u00e0o kho\u1ea3ng tr\u00ean 4 tri\u1ec7u t\u1ea5n g\u1ed7 nguy\u00ean li\u1ec7u. Trong \u0111\u00f3 t\u1ec9nh Qu\u1ea3ng Tr\u1ecb chi\u1ebfm kho\u1ea3ng 30% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng t\u1ee9c l\u00e0 v\u00e0o kho\u1ea3ng 1,3 tri\u1ec7u t\u1ea5n. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ngu\u1ed3n thu nh\u1eadp ch\u00ednh cho nh\u00e2n d\u00e2n v\u00f9ng trung du c\u1ee7a t\u1ec9nh. V\u1eady l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u0103ng n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng v\u1eeba \u0111\u00e1p \u1ee9ng nhu c\u1ea7u nguy\u00ean li\u1ec7u, v\u1eeba n\u00e2ng cao thu nh\u1eadp cho ng\u01b0\u1eddi d\u00e2n trong v\u00f9ng. Tuy nhi\u00ean r\u1eebng tr\u1ed3ng \u0111ang \u0111\u01b0\u1ee3c \u0111\u1ea7u t\u01b0 m\u1ed9t c\u00e1ch d\u00e0n tr\u1ea3i, qu\u1ea3ng canh, ch\u01b0a \u0111i s\u00e2u v\u00e0o v\u1ea5n \u0111\u1ec1 th\u00e2m canh. N\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ea7u t\u01b0 ch\u01b0a \u0111\u01b0\u1ee3c xem x\u00e9t m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n.<\/p>\n

Hi\u1ec7n nay Keo tai t\u01b0\u1ee3ng v\u00e0 Keo lai \u0111ang \u0111\u01b0\u1ee3c tr\u1ed3ng \u0111\u1ea1i tr\u00e0 tr\u00ean di\u1ec7n r\u1ed9ng, tuy nhi\u00ean n\u00f3 c\u0169ng bi\u1ec3u hi\u1ec7n m\u1ed9t s\u1ed1 y\u1ebfu \u0111i\u1ec3m nh\u01b0 d\u1ec5 g\u00e3y \u0111\u1ed5, \u0111\u01a1n gi\u1ea3n ho\u00e1 ngu\u1ed3n Gen n\u00ean d\u1ec5 d\u1eabn \u0111\u1ebfn nguy c\u01a1 d\u1ecbch b\u1ec7nh. Keo l\u01b0\u1ee1i li\u1ec1m l\u00e0\u00a0 m\u1ed9t trong nh\u1eefng lo\u00e0i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao t\u1ea1i t\u1ec9nh Qu\u1ea3ng Tr\u1ecb nh\u1edd sinh tr\u01b0\u1edfng nhanh, ch\u1ecbu gi\u00f3 t\u1ed1t, l\u00e0 lo\u00e0i c\u00f3 tri\u1ec3n v\u1ecdng trong tr\u1ed3ng r\u1eebng th\u00e2m canh. B\u1ea1ch \u0111\u00e0n tr\u1eafng tr\u01b0\u1edbc \u0111\u00e2y \u0111\u01b0\u1ee3c tr\u1ed3ng \u0111\u1ea1i tr\u00e0 tr\u00ean di\u1ec7n r\u1ed9ng, sinh tr\u01b0\u1edfng r\u1ea5t k\u00e9m, d\u1ecbch b\u1ec7nh tr\u00e0n lan n\u00ean b\u1ecb t\u1ea9y chay d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng thi\u1ebfu nguy\u00ean li\u1ec7u b\u1ea1ch \u0111\u00e0n nghi\u00eam tr\u1ecdng. Tr\u01b0\u1edbc b\u00fac x\u00fac \u0111\u00f3 vi\u1ec7c \u0111\u01b0a nhanh c\u00e1c d\u00f2ng B\u1ea1ch \u0111\u00e0n v\u00f4 t\u00ednh \u0111\u01b0\u1ee3c tuy\u1ec3n ch\u1ecdn m\u00e0 \u0111i\u1ec3n h\u00ecnh l\u00e0 B\u1ea1ch \u0111\u00e0n U6 v\u00e0o tr\u1ed3ng r\u1eebng th\u00e2m canh g\u1ed7 nguy\u00ean li\u1ec7u \u0111ang l\u00e0 m\u1ed9t trong nh\u1eefng y\u00eau c\u1ea7u b\u1ee9c thi\u1ebft.<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Xu\u1ea5t ph\u00e1t t\u1eeb th\u1ef1c t\u1ebf \u0111\u00f3, \u0111\u1ec1 t\u00e0i <\/b>\u201c<\/b>Nghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt th\u00e2m canh r\u1eebng tr\u1ed3ng g\u1ed7 nguy\u00ean li\u1ec7u t\u1ea1i t\u1ec9nh Qu\u1ea3ng Tr\u1ecb<\/b>\u201d<\/b> c\u00f3 m\u1ed9t \u00fd ngh\u0129a r\u1ea5t l\u1edbn v\u1ec1 kinh t\u1ebf – x\u00e3 h\u1ed9i.<\/b><\/p>\n

\"Rung-trong\"<\/a><\/h1>\n

II. M\u1ee4C TI\u00caU, \u0110\u1ed0I T\u01af\u1ee2NG, N\u1ed8I DUNG V\u00c0 PH\u01af\u01a0NG PH\u00c1P NGHI\u00caN C\u1ee8U<\/h1>\n

M\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u<\/h2>\n

1. X\u00e1c \u0111\u1ecbnh c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt th\u00e2m canh r\u1eebng tr\u1ed3ng g\u1ed7 nguy\u00ean li\u1ec7u \u0111\u1ea3m b\u1ea3o n\u0103ng su\u1ea5t cao v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf cao.<\/p>\n

2. X\u00e2y d\u1ef1ng h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh g\u1ed7 nguy\u00ean li\u1ec7u v\u00f9ng Qu\u1ea3ng Tr\u1ecb.<\/p>\n

\u0110\u1ed1i t\u01b0\u1ee3ng nghi\u00ean c\u1ee9u:<\/h3>\n

– Lo\u00e0i c\u00e2y: Keo l\u01b0\u1ee1i li\u1ec1m (Acacia crassicarpa)<\/i> v\u00e0 B\u1ea1ch \u0111\u00e0n U\u00f4 U6 (Eucaliptus urophylla)<\/i>.<\/p>\n

– C\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh:\u00a0 l\u00e0m \u0111\u1ea5t, b\u00f3n ph\u00e2n v\u00e0 m\u1eadt \u0111\u1ed9 tr\u1ed3ng r\u1eebng.<\/p>\n

N\u1ed9i dung nghi\u00ean c\u1ee9u<\/h2>\n

– Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c bi\u1ec7n ph\u00e1p l\u00e0m \u0111\u1ea5t \u0111\u1ebfn sinh tr\u01b0\u1edfng r\u1eebng tr\u1ed3ng.<\/p>\n

– Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1eadt \u0111\u1ed9 tr\u1ed3ng \u0111\u1ebfn sinh tr\u01b0\u1edfng r\u1eebng tr\u1ed3ng.<\/p>\n

– Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a ph\u00e2n b\u00f3n \u0111\u1ebfn sinh tr\u01b0\u1edfng r\u1eebng tr\u1ed3ng.<\/p>\n

– X\u00e2y d\u1ef1ng h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh g\u1ed7 nguy\u00ean li\u1ec7u t\u1ea1i t\u1ec9nh Qu\u1ea3ng Tr\u1ecb.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u:<\/h2>\n

Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u t\u1ed5ng qu\u00e1t.<\/h3>\n

B\u1ed1 tr\u00ed th\u00ed nghi\u1ec7m theo ph\u01b0\u01a1ng ph\u00e1p sinh th\u00e1i th\u1ef1c nghi\u1ec7m k\u1ebft h\u1ee3p v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch trong ph\u00f2ng, b\u1ed1 th\u00ed ng\u1eabu nhi\u00ean \u0111\u1ea7y \u0111\u1ee7 l\u1eb7p l\u1ea1i t\u1eeb 3-4 l\u1ea7n, n>30. Thu th\u1eadp s\u1ed1 li\u1ec7u theo ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tra \u00d4TC g\u1ed3m c\u00e1c ch\u1ec9 ti\u00eau D1.3<\/sub>; Hvn<\/sub>; Dt. X\u1eed l\u00fd s\u1ed1 li\u1ec7u theo ph\u01b0\u01a1ng ph\u00e1p th\u1ed1ng k\u00ea sinh h\u1ecdc c\u00f3 s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a ph\u1ea7n m\u1ec1n Excel 5.0 v\u00e0 SPSS 13.0.<\/p>\n

B\u1ed1 tr\u00ed th\u00ed nghi\u1ec7m:<\/h4>\n

i) Th\u00ed nghi\u1ec7m l\u00e0m \u0111\u1ea5t 02 c\u00f4ng th\u1ee9c<\/span>: \u00a0<\/i><\/b>S\u1eed d\u1ee5ng 02 c\u00f4ng th\u1ee9c l\u00e0m \u0111\u1ea5t th\u00f4ng d\u1ee5ng l\u00e0:<\/i><\/b><\/p>\n

CT1: \u1ee6i th\u1ef1c b\u00ec to\u00e0n di\u1ec7n, c\u00e0y to\u00e0n di\u1ec7n v\u00e0 c\u00e0y r\u1ea1ch sau khi c\u00e0y to\u00e0n di\u1ec7n (G\u1ecdi t\u1eaft l\u00e0 l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n).<\/p>\n

CT2: Ph\u00e1t th\u1ef1c b\u00ec to\u00e0n di\u1ec7n, \u0111\u1ed1t, d\u1ecdn s\u1ea1ch th\u1ef1c b\u00ec, c\u00e0y b\u0103ng, b\u0103ng c\u00e0y 1,2m, b\u0103ng ch\u1eeba 1,8m, c\u00e0y r\u1ea1ch l\u1ea1i gi\u1eefa b\u0103ng c\u00e0y (G\u1ecdi t\u1eaft l\u00e0 l\u00e0m \u0111\u1ea5t c\u1ee5c b\u1ed9).<\/p>\n

Th\u00ed nghi\u1ec7m l\u00e0m \u0111\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m th\u00ed nghi\u1ec7m nh\u00e2n t\u1ed1 n\u1ec1n, hai c\u00f4ng th\u1ee9c l\u00e0m \u0111\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m c\u01a1 s\u1edf, tr\u00ean \u0111\u00f3 s\u1ebd b\u1ed1 tr\u00ed th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9 tr\u1ed3ng v\u00e0 th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n.<\/p>\n

ii) \u00a0TNM\u1eadt \u0111\u1ed9 tr\u1ed3ng \u00a002 c\u00f4ng th\u1ee9c cho m\u1ed7i n\u1ec1n l\u00e0m \u0111\u1ea5t: (T\u1ed5ng 04 c\u00f4ng th\u1ee9c cho m\u1ed7i lo\u00e0i):<\/span><\/i><\/b><\/p>\n

a. \u0110\u1ed1i v\u1edbi Keo l\u01b0\u1ee1i li\u1ec1m: <\/i><\/b><\/p>\n

\u00a0N\u1ec1n l\u00e0m \u0111\u1ea5t c\u1ee5c b\u1ed9\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 N\u1ec1n l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n:<\/i><\/p>\n

CT1: 3 x 2m (1.650 c\u00e2y\/ha)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CT1: 3 x 2m (1.650 c\u00e2y\/ha)<\/p>\n

CT2: 3 x 2.5m (1.330 c\u00e2y\/ha)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CT2: 3 x 2.5m (1.330 c\u00e2y\/ha)<\/p>\n

b. \u0110\u1ed1i v\u1edbi B\u1ea1ch \u0111\u00e0n U6: <\/i><\/b><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 N\u1ec1n l\u00e0m \u0111\u1ea5t c\u1ee5c b\u1ed9\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 N\u1ec1n l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n:<\/i><\/p>\n

CT1: 3 x 1.5m (2200 c\u00e2y\/ha),\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CT1: 3 x 1.5m (2200 c\u00e2y\/ha),<\/p>\n

CT2: 3 x 2m (1.650 c\u00e2y\/ha)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CT2: 3 x 2m (1.650 c\u00e2y\/ha)<\/p>\n

C\u00e1c th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c b\u00f3n l\u00f3t 200 g Vi sinh h\u1eefu c\u01a1 s\u00f4ng Gianh.<\/p>\n

iii) TN B\u00f3n\u00a0 th\u00fac ph\u00e2n \u00a005 c\u00f4ng th\u1ee9c cho m\u1ed7i n\u1ec1n l\u00e0m \u0111\u1ea5t (T\u1ed5ng 10 CT cho m\u1ed7i lo\u00e0i):<\/span><\/i><\/b><\/p>\n

Tr\u1ed3ng m\u1eadt \u0111\u1ed9 1650 c\u00e2y\/ha, b\u00f3n l\u00f3t 200 g Vi sinh\/g\u1ed1c.<\/p>\n

CT1: VSHC S\u00f4ng gianh: 200 g\/g\u1ed1c; \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CT3: NPK 5:10:3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : 150 g\/g\u1ed1c.<\/p>\n

CT2: VSHC S\u00f4ng gianh: 300 g\/g\u1ed1c; \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CT4: NPK 5:10:3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : 200 g\/g\u1ed1c.<\/p>\n

CT5: VSHC S\u00f4ng gianh: 200 g\/g\u1ed1c +: NPK 5:10:3\u00a0 : 100 g\/g\u1ed1c.<\/p>\n

III. K\u1ebeT QU\u1ea2 V\u00c0 TH\u1ea2O LU\u1eacN:<\/h1>\n

1. M\u00f4 h\u00ecnh th\u1ef1c nghi\u1ec7m Keo l\u01b0\u1ee1i li\u1ec1m<\/h3>\n

\u00a01.1. M\u00f4 h\u00ecnh th\u1ef1c nghi\u1ec7m ph\u00e2n b\u00f3n Keo l\u01b0\u1ee1i li\u1ec1m<\/i><\/h4>\n
B\u1ea3ng 1. \u1ea2nh h\u01b0\u1edfng c\u1ee7a BPKTL\u0110 v\u00e0 BP \u0111\u1ebfn ST r\u1eebng KLL 27 \u00a0th\u00e1ng tu\u1ed5i (MH1) v\u00e0 2 tu\u1ed5i (MH2):<\/h5>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

MH\/ Tu\u1ed5i<\/b><\/p>\n<\/td>\n

\n

C\u00f4ng th\u1ee9c<\/b><\/p>\n<\/td>\n

\n

Do (cm)<\/b><\/p>\n<\/td>\n

\n

Hvn (m)<\/b><\/p>\n<\/td>\n

\n

Dt (m)<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/p>\n<\/td>\n<\/tr>\n

\n

MH1\u00a0\u00a0\u00a0\u00a0 27 th\u00e1ng tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

6.26<\/p>\n<\/td>\n

\n

14.06<\/p>\n<\/td>\n

\n

7.05<\/p>\n<\/td>\n

\n

15.01<\/p>\n<\/td>\n

\n

3.51<\/p>\n<\/td>\n

\n

17.88<\/p>\n<\/td>\n

\n

3.62<\/p>\n<\/td>\n

\n

15.45<\/p>\n<\/td>\n

\n

2.51<\/p>\n<\/td>\n

\n

2.39<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

6.75<\/p>\n<\/td>\n

\n

20.51<\/p>\n<\/td>\n

\n

7.65<\/p>\n<\/td>\n

\n

15.41<\/p>\n<\/td>\n

\n

3.67<\/p>\n<\/td>\n

\n

17.35<\/p>\n<\/td>\n

\n

3.65<\/p>\n<\/td>\n

\n

17.38<\/p>\n<\/td>\n

\n

2.37<\/p>\n<\/td>\n

\n

2.23<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

6.26<\/p>\n<\/td>\n

\n

17.21<\/p>\n<\/td>\n

\n

7.21<\/p>\n<\/td>\n

\n

12.72<\/p>\n<\/td>\n

\n

3.68<\/p>\n<\/td>\n

\n

13.94<\/p>\n<\/td>\n

\n

3.87<\/p>\n<\/td>\n

\n

13.38<\/p>\n<\/td>\n

\n

2.43<\/p>\n<\/td>\n

\n

2.38<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

6.91<\/p>\n<\/td>\n

\n

20.10<\/p>\n<\/td>\n

\n

7.41<\/p>\n<\/td>\n

\n

14.35<\/p>\n<\/td>\n

\n

3.57<\/p>\n<\/td>\n

\n

17.16<\/p>\n<\/td>\n

\n

3.87<\/p>\n<\/td>\n

\n

15.08<\/p>\n<\/td>\n

\n

2.32<\/p>\n<\/td>\n

\n

2.33<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n

6.90<\/p>\n<\/td>\n

\n

15.47<\/p>\n<\/td>\n

\n

7.58<\/p>\n<\/td>\n

\n

14.99<\/p>\n<\/td>\n

\n

3.68<\/p>\n<\/td>\n

\n

17.97<\/p>\n<\/td>\n

\n

3.95<\/p>\n<\/td>\n

\n

15.04<\/p>\n<\/td>\n

\n

2.19<\/p>\n<\/td>\n

\n

2.33<\/p>\n<\/td>\n<\/tr>\n

BQ<\/b><\/b><\/td>\n\n

6.62<\/b><\/p>\n<\/td>\n

\n

17.47<\/b><\/p>\n<\/td>\n

\n

7.38<\/b><\/p>\n<\/td>\n

\n

14.50<\/b><\/p>\n<\/td>\n

\n

3.62<\/b><\/p>\n<\/td>\n

\n

16.86<\/b><\/p>\n<\/td>\n

\n

3.79<\/b><\/p>\n<\/td>\n

\n

15.27<\/b><\/p>\n<\/td>\n

\n

2.36<\/b><\/p>\n<\/td>\n

\n

2.33<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTN BP<\/p>\n<\/td>\n

Ft<\/sub>\/F0,5<\/sub><\/td>\n\n

1,42<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

1,22<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
\n

B\u0110 gi\u1eefa C\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\n

13,22<\/b><\/b><\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

4,63<\/b><\/b><\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
\n

MH2\u00a0\u00a0\u00a0\u00a0 2 tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

5,56<\/p>\n<\/td>\n

\n

16,89<\/p>\n<\/td>\n

\n

6,39<\/p>\n<\/td>\n

\n

17,51<\/p>\n<\/td>\n

\n

3,24<\/p>\n<\/td>\n

\n

19,55<\/p>\n<\/td>\n

\n

3,55<\/p>\n<\/td>\n

\n

16,69<\/p>\n<\/td>\n

\n

2,46<\/p>\n<\/td>\n

\n

2,33<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

5,94<\/p>\n<\/td>\n

\n

19,03<\/p>\n<\/td>\n

\n

6,3<\/p>\n<\/td>\n

\n

18,78<\/p>\n<\/td>\n

\n

3,44<\/p>\n<\/td>\n

\n

18,45<\/p>\n<\/td>\n

\n

3,41<\/p>\n<\/td>\n

\n

18,88<\/p>\n<\/td>\n

\n

2,36<\/p>\n<\/td>\n

\n

2,16<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

5,6<\/p>\n<\/td>\n

\n

19,26<\/p>\n<\/td>\n

\n

6,33<\/p>\n<\/td>\n

\n

15,02<\/p>\n<\/td>\n

\n

3,39<\/p>\n<\/td>\n

\n

17,45<\/p>\n<\/td>\n

\n

3,64<\/p>\n<\/td>\n

\n

14,29<\/p>\n<\/td>\n

\n

2,29<\/p>\n<\/td>\n

\n

2,3<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

6<\/p>\n<\/td>\n

\n

20,72<\/p>\n<\/td>\n

\n

6,31<\/p>\n<\/td>\n

\n

15,32<\/p>\n<\/td>\n

\n

3,35<\/p>\n<\/td>\n

\n

18,64<\/p>\n<\/td>\n

\n

3,56<\/p>\n<\/td>\n

\n

16,29<\/p>\n<\/td>\n

\n

2,25<\/p>\n<\/td>\n

\n

2,25<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n

6,17<\/p>\n<\/td>\n

\n

18,42<\/p>\n<\/td>\n

\n

6,76<\/p>\n<\/td>\n

\n

18,54<\/p>\n<\/td>\n

\n

3,72<\/p>\n<\/td>\n

\n

19,63<\/p>\n<\/td>\n

\n

3,93<\/p>\n<\/td>\n

\n

18,11<\/p>\n<\/td>\n

\n

2,14<\/p>\n<\/td>\n

\n

2,31<\/p>\n<\/td>\n<\/tr>\n

BQ<\/b><\/td>\n\n

5,86<\/b><\/p>\n<\/td>\n

\n

18,86<\/b><\/p>\n<\/td>\n

\n

6,42<\/b><\/p>\n<\/td>\n

\n

17,03<\/b><\/p>\n<\/td>\n

\n

3,43<\/b><\/p>\n<\/td>\n

\n

18,74<\/b><\/p>\n<\/td>\n

\n

3,62<\/b><\/p>\n<\/td>\n

\n

16,85<\/b><\/p>\n<\/td>\n

\n

2,3<\/b><\/p>\n<\/td>\n

\n

2,27<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTN BP<\/p>\n<\/td>\n

Ft<\/sub>\/F0,5<\/sub><\/td>\n\n

1,76<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

1,32<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa C\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\n

3,74<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

3,89<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

K\u1ebft qu\u1ea3 b\u1ea3ng 1 cho th\u1ea5y \u1edf 27 th\u00e1ng tu\u1ed5i (MH1) v\u00e0 2 tu\u1ed5i (MH2):<\/p>\n

– Gi\u1eefa c\u00e1c CTTN b\u00f3n ph\u00e2n: Do v\u00e0 Hvn c\u00f3 Ft\u00ednh<\/sub> \u0111\u1ec1u nh\u1ecf h\u01a1n F0,5<\/sub> = 2,87, ch\u1ee9ng t\u1ecf sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m ch\u01b0a c\u00f3 sai kh\u00e1c r\u00f5 r\u1ec7t c\u1ea3 v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao. Nh\u01b0 v\u1eady \u1ea3nh h\u01b0\u1edfng gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c b\u00f3n ph\u00e2n \u0111\u1ed1i v\u1edbi sinh tr\u01b0\u1edfng c\u1ee7a Keo l\u01b0\u1ee1i li\u1ec1m 27 th\u00e1ng tu\u1ed5i (MH1) v\u00e0 2 tu\u1ed5i (MH2) l\u00e0 ch\u01b0a kh\u00e1c nhau.<\/p>\n

– Gi\u1eefa c\u00e1c BPKT l\u00e0m \u0111\u1ea5t:<\/p>\n

+ \u1ede MH1: Do v\u00e0 Hvn c\u00f3 Ft\u00ednh<\/sub> l\u1ea7n l\u01b0\u1ee3t l\u00e0 13,22 v\u00e0 4,63 > F 0,5<\/sub> = 4,35 t\u1ee9c l\u00e0 gi\u1eefa hai c\u00f4ng th\u1ee9c l\u00e0m \u0111\u1ea5t c\u00f3 sai kh\u00e1c r\u00f5 r\u1ec7t c\u1ea3 v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao, t\u1ee9c l\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n \u0111\u1ed1i v\u1edbi sinh tr\u01b0\u1edfng c\u1ee7a Keo l\u01b0\u1ee1i li\u1ec1m \u1edf th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n 27 th\u00e1ng tu\u1ed5i (MH1) l\u00e0 t\u1ed1t h\u01a1n so v\u1edbi l\u00e0m \u0111\u1ea5t c\u1ee5c b\u1ed9.<\/p>\n

+ \u1ede MH2: Do v\u00e0 Hvn c\u00f3 Ft\u00ednh<\/sub> \u00a0< F 0,5<\/sub> = 4,35 t\u1ee9c l\u00e0 gi\u1eefa hai BPKTL\u0110 ch\u01b0a c\u00f3 sai kh\u00e1c r\u00f5 r\u1ec7t c\u1ea3 v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao c\u1ee7a Keo l\u01b0\u1ee1i li\u1ec1m \u1edf TNBP r\u1eebng 2 tu\u1ed5i (MH2).<\/p>\n

B\u1ea3ng 2. \u1ea2nh h\u01b0\u1edfng c\u1ee7a BPKTL\u0110 v\u00e0 BP \u0111\u1ebfn ST r\u1eebng KLL 4 tu\u1ed5i (MH1) v\u00e0 3 tu\u1ed5i (MH2)<\/h5>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

MH\/ Tu\u1ed5i<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

M\u0110 ban \u0111\u1ea7u\u00a0<\/b><\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 s\u1ed1ng (%)<\/b><\/p>\n<\/td>\n

\n

D1.3\u00a0 <\/sub>(cm)<\/p>\n<\/td>\n

\n

Hvn\u00a0 (m)<\/p>\n<\/td>\n

\n

V (m3<\/sup>)<\/b><\/p>\n<\/td>\n

\n

M (m3<\/sup>\/ha)<\/b><\/p>\n<\/td>\n<\/tr>\n

CT<\/b><\/td>\n\n

C\u1ee5c b\u1ed9<\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n<\/tr>\n

\u00a0<\/b><\/td>\n\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

MH1\/ 4 tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

98,25<\/p>\n<\/td>\n

\n

8,53<\/p>\n<\/td>\n

\n

10,62<\/p>\n<\/td>\n

\n

8,58<\/p>\n<\/td>\n

\n

9,88<\/p>\n<\/td>\n

\n

7,02<\/p>\n<\/td>\n

\n

12,6<\/p>\n<\/td>\n

\n

7,61<\/p>\n<\/td>\n

\n

9,93<\/p>\n<\/td>\n

\n

0,019<\/p>\n<\/td>\n

\n

0,0209<\/p>\n<\/td>\n

\n

30,78<\/p>\n<\/td>\n

\n

33,71<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

97,98<\/p>\n<\/td>\n

\n

8,6<\/p>\n<\/td>\n

\n

9,52<\/p>\n<\/td>\n

\n

8,71<\/p>\n<\/td>\n

\n

11,5<\/p>\n<\/td>\n

\n

7,18<\/p>\n<\/td>\n

\n

10,5<\/p>\n<\/td>\n

\n

7,62<\/p>\n<\/td>\n

\n

12,9<\/p>\n<\/td>\n

\n

0,020<\/p>\n<\/td>\n

\n

0,0214<\/p>\n<\/td>\n

\n

31,84<\/p>\n<\/td>\n

\n

34,74<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

97,73<\/p>\n<\/td>\n

\n

8,59<\/p>\n<\/td>\n

\n

9,86<\/p>\n<\/td>\n

\n

8,71<\/p>\n<\/td>\n

\n

9,36<\/p>\n<\/td>\n

\n

7,25<\/p>\n<\/td>\n

\n

10,6<\/p>\n<\/td>\n

\n

7,58<\/p>\n<\/td>\n

\n

9,71<\/p>\n<\/td>\n

\n

0,020<\/p>\n<\/td>\n

\n

0,0213<\/p>\n<\/td>\n

\n

32,02<\/p>\n<\/td>\n

\n

34,39<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

99,02<\/p>\n<\/td>\n

\n

8,68<\/p>\n<\/td>\n

\n

9,22<\/p>\n<\/td>\n

\n

8,68<\/p>\n<\/td>\n

\n

8,67<\/p>\n<\/td>\n

\n

7,27<\/p>\n<\/td>\n

\n

11,4<\/p>\n<\/td>\n

\n

7,64<\/p>\n<\/td>\n

\n

9,30<\/p>\n<\/td>\n

\n

0,020<\/p>\n<\/td>\n

\n

0,0214<\/p>\n<\/td>\n

\n

33,23<\/p>\n<\/td>\n

\n

34,97<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

97,78<\/p>\n<\/td>\n

\n

8,78<\/p>\n<\/td>\n

\n

11,85<\/p>\n<\/td>\n

\n

8,72<\/p>\n<\/td>\n

\n

12,5<\/p>\n<\/td>\n

\n

7,49<\/p>\n<\/td>\n

\n

13,7<\/p>\n<\/td>\n

\n

7,86<\/p>\n<\/td>\n

\n

12,20<\/p>\n<\/td>\n

\n

0,021<\/p>\n<\/td>\n

\n

0,0221<\/p>\n<\/td>\n

\n

33,79<\/p>\n<\/td>\n

\n

35,78<\/p>\n<\/td>\n<\/tr>\n

\n

BQ<\/b><\/p>\n<\/td>\n

\n

98,15<\/b><\/p>\n<\/td>\n

\n

8,64<\/b><\/p>\n<\/td>\n

\n

10,2<\/b><\/p>\n<\/td>\n

\n

8,68<\/b><\/p>\n<\/td>\n

\n

10,4<\/b><\/p>\n<\/td>\n

\n

7,24<\/b><\/p>\n<\/td>\n

\n

11,7<\/b><\/p>\n<\/td>\n

\n

7,66<\/b><\/p>\n<\/td>\n

\n

11,02<\/b><\/p>\n<\/td>\n

\n

0,02<\/b><\/p>\n<\/td>\n

\n

0,02144<\/b><\/p>\n<\/td>\n

\n

32,33<\/b><\/p>\n<\/td>\n

\n

34,87<\/b><\/p>\n<\/td>\n<\/tr>\n

B\u0110 gi\u1eefa c\u00e1c CTTNBP<\/td>\nFt<\/sub>\/F0,5<\/sub><\/td>\n\n

1,46<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

1,07<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

2,91<\/b><\/b><\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
B\u0110 gi\u1eefa c\u00e1c CTTNM\u0110<\/td>\nFt<\/sub>\/F0,5<\/sub><\/td>\n\n

6,32<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

16,63<\/b><\/b><\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

13,86<\/b><\/b><\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
\n

MH2\/ 3 tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

98,76<\/p>\n<\/td>\n

\n

7,13<\/p>\n<\/td>\n

\n

11,73<\/p>\n<\/td>\n

\n

7,33<\/p>\n<\/td>\n

\n

11,2<\/p>\n<\/td>\n

\n

5,58<\/p>\n<\/td>\n

\n

10,8<\/p>\n<\/td>\n

\n

6,46<\/p>\n<\/td>\n

\n

10,5<\/p>\n<\/td>\n

\n

0,011<\/p>\n<\/td>\n

\n

0,0129<\/p>\n<\/td>\n

\n

17,16<\/p>\n<\/td>\n

\n

21,02<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

98,84<\/p>\n<\/td>\n

\n

6,93<\/p>\n<\/td>\n

\n

11,91<\/p>\n<\/td>\n

\n

7,17<\/p>\n<\/td>\n

\n

12,2<\/p>\n<\/td>\n

\n

5,66<\/p>\n<\/td>\n

\n

9,72<\/p>\n<\/td>\n

\n

6,42<\/p>\n<\/td>\n

\n

11,9<\/p>\n<\/td>\n

\n

0,010<\/p>\n<\/td>\n

\n

0,0123<\/p>\n<\/td>\n

\n

16,47<\/p>\n<\/td>\n

\n

19,99<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

98,42<\/p>\n<\/td>\n

\n

7,01<\/p>\n<\/td>\n

\n

11,63<\/p>\n<\/td>\n

\n

7,23<\/p>\n<\/td>\n

\n

10,9<\/p>\n<\/td>\n

\n

5,43<\/p>\n<\/td>\n

\n

9,68<\/p>\n<\/td>\n

\n

6,4<\/p>\n<\/td>\n

\n

11,4<\/p>\n<\/td>\n

\n

0,010<\/p>\n<\/td>\n

\n

0,0124<\/p>\n<\/td>\n

\n

16,09<\/p>\n<\/td>\n

\n

20,18<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

98,56<\/p>\n<\/td>\n

\n

7,67<\/p>\n<\/td>\n

\n

12,44<\/p>\n<\/td>\n

\n

7,76<\/p>\n<\/td>\n

\n

10,8<\/p>\n<\/td>\n

\n

5,75<\/i><\/b><\/p>\n<\/td>\n

\n

10,7<\/p>\n<\/td>\n

\n

6,85<\/p>\n<\/td>\n

\n

9,53<\/p>\n<\/td>\n

\n

0,013<\/p>\n<\/td>\n

\n

0,0153<\/p>\n<\/td>\n

\n

20,43<\/p>\n<\/td>\n

\n

24,91<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

98,43<\/p>\n<\/td>\n

\n

7,72<\/p>\n<\/td>\n

\n

12,44<\/p>\n<\/td>\n

\n

7,98<\/p>\n<\/td>\n

\n

12,4<\/p>\n<\/td>\n

\n

5,98<\/i><\/b><\/p>\n<\/td>\n

\n

12,6<\/p>\n<\/td>\n

\n

6,97<\/p>\n<\/td>\n

\n

12,11<\/p>\n<\/td>\n

\n

0,013<\/p>\n<\/td>\n

\n

0,0165<\/p>\n<\/td>\n

\n

21,49<\/p>\n<\/td>\n

\n

26,77<\/p>\n<\/td>\n<\/tr>\n

\n

BQ<\/b><\/p>\n<\/td>\n

\u00a0<\/b><\/td>\n\n

7,29<\/b><\/p>\n<\/td>\n

\n

12<\/b><\/p>\n<\/td>\n

\n

7,49<\/b><\/p>\n<\/td>\n

\n

11,5<\/b><\/p>\n<\/td>\n

\n

5,68<\/b><\/p>\n<\/td>\n

\n

10,7<\/b><\/p>\n<\/td>\n

\n

6,62<\/b><\/p>\n<\/td>\n

\n

11,12<\/b><\/p>\n<\/td>\n

\n

0,011<\/b><\/p>\n<\/td>\n

\n

0,0139<\/b><\/p>\n<\/td>\n

\n

18,33<\/b><\/p>\n<\/td>\n

\n

22,57<\/b><\/p>\n<\/td>\n<\/tr>\n

B\u0110 gi\u1eefa c\u00e1c CTTNBP<\/td>\nFt<\/sub>\/F0,5<\/sub><\/td>\n\n

3,59<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

2,94<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

2,91<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

B\u0110 gi\u1eefa c\u00e1c CTTNM\u0110<\/td>\nFt<\/sub>\/F0,5<\/sub><\/td>\n\n

3,32<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

6,64<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

13,86<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

K\u1ebft qu\u1ea3 b\u1ea3ng 2 cho th\u1ea5y r\u1eb1ng \u1edf giai \u0111o\u1ea1n tu\u1ed5i 4 (MH1) v\u00e0 3 tu\u1ed5i (MH2) th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n r\u1eebng Keo l\u01b0\u1ee1i li\u1ec1m qua k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai th\u00ec:<\/p>\n

– Gi\u1eefa c\u00e1c C\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n: Ngo\u1ea1i tr\u1eeb \u00a0D1,3<\/sub> v\u00e0 Hvn \u1edf MH1 c\u00f3 Ft\u00ednh<\/sub> l\u00e0\u00a0 1,46 v\u00e0 1,07 < F0,5<\/sub> = 2,87, c\u00f2n l\u1ea1i t\u1ea5t c\u1ea3 c\u00e1c Ft\u00ednh<\/sub> kh\u00e1c > F0,5 , <\/sub>ch\u1ee9ng t\u1ecf ch\u1ec9 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao c\u1ee7a Keo l\u01b0\u1ee1i li\u1ec1m 4 tu\u1ed5i (MH1) l\u00e0 ch\u01b0a bi\u1ec3u hi\u1ec7n sai kh\u00e1c ho\u00e0n to\u00e0n. C\u00f2n \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u cao \u1edf MH2 v\u00e0 th\u1ec3 t\u00edch th\u00e2n c\u00e2y \u1edf c\u1ea3 hai m\u00f4 h\u00ecnh \u0111\u1ec1u c\u00f3 sai kh\u00e1c ho\u00e0n to\u00e0n. Qua ph\u00e2n nh\u00f3m th\u00ec \u1edf hai m\u00f4 h\u00ecnh \u0111\u1ec1u cho k\u1ebft qu\u1ea3 l\u00e0: CT4 v\u00e0 CT5 t\u1ed1t nh\u1ea5t.\u00a0 Ngo\u00e0i ra khi so s\u00e1nh tr\u1eed l\u01b0\u1ee3ng 2 c\u00f4ng th\u1ee9c n\u00e0y c\u0169ng cho k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t.<\/p>\n

– Gi\u1eefa c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e0m \u0111\u1ea5t: \u1edf c\u1ea3 hai m\u00f4 h\u00ecnh c\u00f3 chi\u1ec1u cao, \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c v\u00e0 th\u1ec3 t\u00edch th\u00e2n c\u00e2y c\u00e1 th\u1ec3 c\u00f3\u00a0 Ft\u00ednh<\/sub> > F 0,5<\/sub> = 4,35 (Tr\u1eeb \u0111\u01b0\u1eddng k\u00ednh \u1edf MH2) t\u1ee9c l\u00e0 \u1ea3nh h\u01b0\u1edfng gi\u1eefa hai c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m l\u00e0m \u0111\u1ea5t \u0111\u1ed1i v\u1edbi sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u cao v\u00e0 th\u1ec3 t\u00edch th\u00e2n c\u00e2y c\u00e1 th\u1ec3 Keo l\u01b0\u1ee1i li\u1ec1m \u1edf c\u1ea3 hai m\u00f4 h\u00ecnh l\u00e0 \u0111\u1ec1u sai kh\u00e1c nhau ho\u00e0n to\u00e0n, t\u1ee9c l\u00e0 BPKT l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n t\u1ed1t h\u01a1n l\u00e0m \u0111\u1ea5t c\u1ee5c b\u1ed9.<\/p>\n

1.2. M\u00f4 h\u00ecnh th\u1ef1c nghi\u1ec7m m\u1eadt \u0111\u1ed9 tr\u1ed3ng r\u1eebng Keo l\u01b0\u1ee1i li\u1ec1m<\/i><\/i><\/h4>\n

K\u1ebft qu\u1ea3 b\u1ea3ng 3. cho th\u1ea5y \u1edf 27 th\u00e1ng tu\u1ed5i (MH1) v\u00e0 2 tu\u1ed5i (MH2) r\u1eebng Keo l\u01b0\u1ee1i li\u1ec1m th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9 th\u00ec: Gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9 tr\u1ed3ng v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e0m \u0111\u1ea5t v\u1ec1 Do v\u00e0 Hvn \u0111\u1ec1u c\u00f3 c\u00e1c Ft\u00ednh<\/sub> < F0,5<\/sub> nh\u01b0 v\u1eady sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9 v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e0m \u0111\u1ea5t \u1edf c\u1ea3 hai m\u00f4 h\u00ecnh tr\u00ean ch\u01b0a c\u00f3 s\u1ef1 sai kh\u00e1c r\u00f5 r\u1ec7t. Ch\u1ee9ng t\u1ecf \u0111\u1ebfn giai \u0111o\u1ea1n n\u00e0y r\u1eebng ch\u01b0a th\u1ef1c s\u1ef1 kh\u00e9p t\u00e1n, s\u1ef1 c\u1ea1nh tranh kh\u00f4ng gian dinh d\u01b0\u1ee1ng ch\u01b0a nhi\u1ec1u n\u00ean ch\u01b0a c\u00f3 s\u1ef1 ph\u00e2n h\u00f3a m\u1ea1nh, ch\u01b0a bi\u1ec3u hi\u1ec7n sai kh\u00e1c v\u1ec1 sinh tr\u01b0\u1edfng gi\u1eefa c\u00e1c m\u1eadt \u0111\u1ed9.<\/h4>\n
B\u1ea3ng 3. \u1ea2nh h\u01b0\u1edfng c\u1ee7a BPKTL\u0110 v\u00e0 M\u0110T \u0111\u1ebfn ST r\u1eebng KLL 27 th\u00e1ng tu\u1ed5i (MH1) v\u00e0 2 tu\u1ed5i (MH2)<\/h5>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

MH\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tu\u1ed5i<\/p>\n<\/td>\n

\n

CT<\/p>\n<\/td>\n

\n

Do (cm)<\/p>\n<\/td>\n

\n

Hvn\u00a0 (m)<\/p>\n<\/td>\n

\n

Dt\u00a0 (m)<\/p>\n<\/td>\n<\/tr>\n

\n

C\u1ee5c b\u1ed9<\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

<\/td>\n\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

MH1\/\u00a0\u00a0\u00a0\u00a0 27 th\u00e1ng tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

7.43<\/p>\n<\/td>\n

\n

19.74<\/p>\n<\/td>\n

\n

7.48<\/p>\n<\/td>\n

<\/td>\n\n

14.33<\/p>\n<\/td>\n

\n

3.64<\/p>\n<\/td>\n

\n

12.36<\/p>\n<\/td>\n

\n

3.70<\/p>\n<\/td>\n

\n

16.80<\/p>\n<\/td>\n

\n

2.44<\/p>\n<\/td>\n

\n

2.26<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

7.29<\/p>\n<\/td>\n

\n

19.15<\/p>\n<\/td>\n

\n

7.39<\/p>\n<\/td>\n

<\/td>\n\n

15.04<\/p>\n<\/td>\n

\n

3.59<\/p>\n<\/td>\n

\n

11.67<\/p>\n<\/td>\n

\n

3.79<\/p>\n<\/td>\n

\n

15.58<\/p>\n<\/td>\n

\n

2.46<\/p>\n<\/td>\n

\n

2.28<\/p>\n<\/td>\n<\/tr>\n

BQ<\/b><\/td>\n\n

7.36<\/b><\/p>\n<\/td>\n

\n

19.45<\/b><\/p>\n<\/td>\n

\n

7.43<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

14.69<\/b><\/p>\n<\/td>\n

\n

3.61<\/b><\/p>\n<\/td>\n

\n

12.01<\/b><\/p>\n<\/td>\n

\n

3.74<\/b><\/p>\n<\/td>\n

\n

16.19<\/b><\/p>\n<\/td>\n

\n

2.45<\/b><\/p>\n<\/td>\n

\n

2.27<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTNM\u0110<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\n

1,31<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

1,22<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\n

1,5<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

1,28<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

MH2\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2 tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

6,34<\/p>\n<\/td>\n

\n

21,67<\/p>\n<\/td>\n

\n

6,46<\/p>\n<\/td>\n

<\/td>\n\n

17,17<\/p>\n<\/td>\n

\n

3,52<\/p>\n<\/td>\n

\n

14,34<\/p>\n<\/td>\n

\n

3,59<\/p>\n<\/td>\n

\n

18,27<\/p>\n<\/td>\n

\n

2,3<\/p>\n<\/td>\n

\n

2,19<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

6,42<\/p>\n<\/td>\n

\n

19,27<\/p>\n<\/td>\n

\n

6,52<\/p>\n<\/td>\n

<\/td>\n\n

17,77<\/p>\n<\/td>\n

\n

3,53<\/p>\n<\/td>\n

\n

14,09<\/p>\n<\/td>\n

\n

3,65<\/p>\n<\/td>\n

\n

16,72<\/p>\n<\/td>\n

\n

2,33<\/p>\n<\/td>\n

\n

2,23<\/p>\n<\/td>\n<\/tr>\n

BQ<\/b><\/td>\n\n

6,38<\/b><\/p>\n<\/td>\n

\n

20,47<\/b><\/p>\n<\/td>\n

\n

6,49<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

17,47<\/b><\/p>\n<\/td>\n

\n

3,52<\/b><\/p>\n<\/td>\n

\n

14,21<\/b><\/p>\n<\/td>\n

\n

3,62<\/b><\/p>\n<\/td>\n

\n

17,5<\/b><\/p>\n<\/td>\n

\n

2,31<\/b><\/p>\n<\/td>\n

\n

2,21<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTNM\u0110<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\n

2,14<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

1,25<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\n

1,19<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

3,18<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/h5>\n
B\u1ea3ng 4. \u1ea2nh h\u01b0\u1edfng c\u1ee7a BPKT L\u0110 v\u00e0 M\u0110T \u0111\u1ebfn ST r\u1eebng KLL 4 tu\u1ed5i (MH1) v\u00e0 3 tu\u1ed5i (MH2)<\/h5>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

MH\/\u00a0\u00a0 Tu\u1ed5i<\/p>\n<\/td>\n

\n

CT<\/b><\/p>\n<\/td>\n

\n

M\u0110 ban \u0111\u1ea7u<\/b><\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 s\u1ed1ng (%)<\/b><\/p>\n<\/td>\n

\n

D1,3 (cm)<\/b><\/p>\n<\/td>\n

\n

Hvn (m)<\/b><\/p>\n<\/td>\n

\n

V (m3<\/sup>)<\/b><\/p>\n<\/td>\n

\n

M(m3<\/sup>\/ha)<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

X<\/b><\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/b><\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/b><\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/b><\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

MH1\/ 4 tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

94,76<\/p>\n<\/td>\n

\n

8,21<\/p>\n<\/td>\n

\n

10,63<\/p>\n<\/td>\n

\n

8,37<\/p>\n<\/td>\n

\n

9,36<\/p>\n<\/td>\n

\n

7,29<\/p>\n<\/td>\n

\n

11,29<\/p>\n<\/td>\n

\n

7,44<\/p>\n<\/td>\n

\n

11,28<\/p>\n<\/td>\n

\n

0,0182<\/p>\n<\/td>\n

\n

0,0193<\/p>\n<\/td>\n

\n

28,51<\/p>\n<\/td>\n

\n

30,26<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

1330<\/p>\n<\/td>\n

\n

98,79<\/p>\n<\/td>\n

\n

8,68<\/p>\n<\/td>\n

\n

9,07<\/p>\n<\/td>\n

\n

8,88<\/p>\n<\/td>\n

\n

8,41<\/p>\n<\/td>\n

\n

7,54<\/p>\n<\/td>\n

\n

11,15<\/p>\n<\/td>\n

\n

8,03<\/p>\n<\/td>\n

\n

11,31<\/p>\n<\/td>\n

\n

0,0210<\/p>\n<\/td>\n

\n

0,0235<\/p>\n<\/td>\n

\n

27,71<\/p>\n<\/td>\n

\n

30,91<\/p>\n<\/td>\n<\/tr>\n

\n

T\/ b\u00ecnh<\/b><\/p>\n<\/td>\n

\u00a0<\/b><\/td>\n\n

8,44<\/b><\/p>\n<\/td>\n

\n

9,85<\/b><\/p>\n<\/td>\n

\n

8,63<\/b><\/p>\n<\/td>\n

\n

8,88<\/b><\/p>\n<\/td>\n

\n

7,41<\/b><\/p>\n<\/td>\n

\n

11,22<\/b><\/p>\n<\/td>\n

\n

7,7<\/b><\/p>\n<\/td>\n

\n

11,30<\/b><\/p>\n<\/td>\n

\n

0,0196<\/b><\/p>\n<\/td>\n

\n

0,0214<\/b><\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
B\u0110 gi\u1eefa c\u00e1c CTTNM\u0110<\/td>\n\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

5,46<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

1,87<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

5,51<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

5,34<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

5,57<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

6,31<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
\n

MH2\/ 3 tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

97,52<\/p>\n<\/td>\n

\n

7,57<\/p>\n<\/td>\n

\n

11,85<\/p>\n<\/td>\n

\n

7,81<\/p>\n<\/td>\n

\n

10,91<\/p>\n<\/td>\n

\n

5,9<\/p>\n<\/td>\n

\n

11,88<\/p>\n<\/td>\n

\n

6,51<\/p>\n<\/td>\n

\n

10,75<\/p>\n<\/td>\n

\n

0,01257<\/p>\n<\/td>\n

\n

0,01476<\/p>\n<\/td>\n

\n

20,21<\/p>\n<\/td>\n

\n

23,74<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

1330<\/p>\n<\/td>\n

\n

98,46<\/p>\n<\/td>\n

\n

7,55<\/p>\n<\/td>\n

\n

11,4<\/p>\n<\/td>\n

\n

8,01<\/p>\n<\/td>\n

\n

10,88<\/p>\n<\/td>\n

\n

6,28<\/p>\n<\/td>\n

\n

10,82<\/p>\n<\/td>\n

\n

6,66<\/p>\n<\/td>\n

\n

10,66<\/p>\n<\/td>\n

\n

0,01327<\/p>\n<\/td>\n

\n

0,01587<\/p>\n<\/td>\n

\n

17,38<\/p>\n<\/td>\n

\n

20,78<\/p>\n<\/td>\n<\/tr>\n

\n

Trung b\u00ecnh<\/b><\/p>\n<\/td>\n

\u00a0<\/b><\/td>\n\n

7,56<\/b><\/p>\n<\/td>\n

\n

11,6<\/b><\/p>\n<\/td>\n

\n

7,81<\/b><\/p>\n<\/td>\n

\n

10,9<\/b><\/p>\n<\/td>\n

\n

6,09<\/b><\/p>\n<\/td>\n

\n

11,35<\/b><\/p>\n<\/td>\n

\n

6,58<\/b><\/p>\n<\/td>\n

\n

10,71<\/b><\/p>\n<\/td>\n

\n

0,01292<\/b><\/p>\n<\/td>\n

\n

0,0149<\/b><\/p>\n<\/td>\n

\n

18,79<\/b><\/p>\n<\/td>\n

\n

22,26<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTNM\u0110<\/p>\n<\/td>\n

\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

2,19<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

3,28<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

4,33<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

3,17<\/p>\n<\/td>\n

\n

5,52<\/p>\n<\/td>\n

\n

5,59<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

5,89<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

K\u1ebft qu\u1ea3 b\u1ea3ng 4. cho th\u1ea5y r\u1eebng Keo l\u01b0\u1ee1i li\u1ec1m th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9 tr\u1ed3ng 4 tu\u1ed5i (MH1) v\u00e0 3 tu\u1ed5i (MH2) qua k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai th\u00ec:<\/p>\n

– Gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9:<\/p>\n

\u1ede MH2 t\u1ea5t c\u1ea3 c\u00e1c Ft\u00ednh<\/sub> \u0111\u1ec1u < F0,5<\/sub> n\u00ean ch\u01b0a c\u00f3 s\u1ef1 sai kh\u00e1c gi\u1eefa hai m\u1eadt \u0111\u1ed9, t\u1ee9c l\u00e0 \u0111\u1ebfn tu\u1ed5i 3 th\u00ec hai m\u1eadt \u0111\u1ed9 ch\u01b0a \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a Keo l\u01b0\u1ee1i li\u1ec1m.<\/p>\n

\u1ede MH1 ch\u1ec9 ngo\u1ea1i tr\u1eeb chi\u1ec1u cao, c\u00f2n \u0111\u01b0\u1eddng k\u00ednh v\u00e0 th\u1ec3 t\u00edch th\u00e2n c\u00e2y c\u00e1 th\u1ec3 \u0111\u1ec1u cho Ft\u00ednh<\/sub> > F0,5<\/sub>, v\u1eady l\u00fac n\u00e0y c\u00e2y \u0111\u00e3 c\u1ea1nh tranh kh\u00f4ng gian dinh d\u01b0\u1ee1ng nhi\u1ec1u v\u00e0 ph\u00e2n h\u00f3a sinh tr\u01b0\u1edfng m\u1ea1nh v\u00e0 m\u1eadt \u0111\u1ed9 1330 c\u00e2y\/ha cho sinh tr\u01b0\u1edfng t\u1ed1t h\u01a1n so v\u1edbi m\u1eadt \u0111\u1ed9 1650 c\u00e2y\/ha.<\/p>\n

Tuy nhi\u00ean x\u00e9t v\u1ec1 tr\u1eef l\u01b0\u1ee3ng th\u00ec ng\u01b0\u1ee3c l\u1ea1i m\u1eadt \u0111\u1ed9 1650 c\u00e2y\/ha cho k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n. C\u1ea7n ph\u1ea3i ti\u1ebfp t\u1ee5c theo d\u00f5i \u0111\u1ec3 k\u1ebft lu\u1eadn ch\u00ednh x\u00e1c h\u01a1n v\u00ec c\u00e2y c\u00e0ng l\u1edbn th\u00ec y\u00eau c\u1ea7u kh\u00f4ng gian dinh d\u01b0\u1ee1ng c\u00e0ng cao v\u00e0 ph\u00e2n h\u00f3a sinh tr\u01b0\u1edfng c\u00e0ng m\u1ea1nh.<\/p>\n

– Gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m l\u00e0m \u0111\u1ea5t: C\u1ea3 hai m\u00f4 h\u00ecnh \u0111\u1ec1u c\u00f3 c\u00e1c Ft\u00ednh<\/sub> > F 0,5<\/sub> t\u1ee9c l\u00e0 sinh tr\u01b0\u1edfng gi\u1eefa hai c\u00f4ng th\u1ee9c l\u00e0m \u0111\u1ea5t c\u00f3 sai kh\u00e1c r\u00f5 r\u1ec7t, t\u1ee9c l\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n \u0111\u1ed1i v\u1edbi sinh tr\u01b0\u1edfng Keo l\u01b0\u1ee1i li\u1ec1m t\u1ed1t h\u01a1n so v\u1edbi l\u00e0m \u0111\u1ea5t c\u1ee5c b\u1ed9 \u1edf th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9 tr\u1ed3ng Keo l\u01b0\u1ee1i li\u1ec1m \u1edf c\u1ea3 hai m\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m.<\/p>\n

2. M\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m b\u1ea1ch \u0111\u00e0n U6:<\/h3>\n

2.1. Th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n B\u1ea1ch \u0111\u00e0n U6:<\/i><\/i><\/h4>\n
B\u1ea3ng 5. \u00a0\u1ea2nh h\u01b0\u1edfng c\u1ee7a BPKTL\u0110 v\u00e0 BP \u0111\u1ebfn ST r\u1eebng B\u0110U6 \u1edf 27 th\u00e1ng tu\u1ed5i (MH1) v\u00e0 2 tu\u1ed5i (MH2).<\/h5>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

MH\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tu\u1ed5i<\/p>\n<\/td>\n

\n

C\u00f4ng th\u1ee9c<\/b><\/p>\n<\/td>\n

\n

D (cm)<\/b><\/p>\n<\/td>\n

\n

Hvn\u00a0 (m)<\/b><\/p>\n<\/td>\n

\n

Dt (m)<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

V%<\/p>\n<\/td>\n

<\/td>\n<\/td>\n\n

V%<\/p>\n<\/td>\n

<\/td>\n\n

V%<\/p>\n<\/td>\n

<\/td>\n\n

V%<\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0MH1\/\u00a0\u00a0\u00a0\u00a0 27 th\u00e1ng tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

7.73<\/p>\n<\/td>\n

\n

12.21<\/p>\n<\/td>\n

\n

7.36<\/p>\n<\/td>\n

<\/td>\n\n

11.32<\/p>\n<\/td>\n

\n

5.93<\/p>\n<\/td>\n

\n

9.87<\/p>\n<\/td>\n

\n

5.61<\/p>\n<\/td>\n

\n

10.25<\/p>\n<\/td>\n

\n

1.48<\/p>\n<\/td>\n

\n

1.35<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

7.43<\/p>\n<\/td>\n

\n

13.29<\/p>\n<\/td>\n

\n

7.68<\/p>\n<\/td>\n

<\/td>\n\n

10.56<\/p>\n<\/td>\n

\n

5.67<\/p>\n<\/td>\n

\n

10.23<\/p>\n<\/td>\n

\n

5.78<\/p>\n<\/td>\n

\n

7.98<\/p>\n<\/td>\n

\n

1.42<\/p>\n<\/td>\n

\n

1.42<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

7.46<\/p>\n<\/td>\n

\n

10.44<\/p>\n<\/td>\n

\n

7.67<\/p>\n<\/td>\n

<\/td>\n\n

11.86<\/p>\n<\/td>\n

\n

5.66<\/p>\n<\/td>\n

\n

7.53<\/p>\n<\/td>\n

\n

5.79<\/p>\n<\/td>\n

\n

9.67<\/p>\n<\/td>\n

\n

1.41<\/p>\n<\/td>\n

\n

1.41<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

6.98<\/p>\n<\/td>\n

\n

12.12<\/p>\n<\/td>\n

\n

7.49<\/p>\n<\/td>\n

<\/td>\n\n

11.54<\/p>\n<\/td>\n

\n

4.96<\/p>\n<\/td>\n

\n

11.77<\/p>\n<\/td>\n

\n

5.39<\/p>\n<\/td>\n

\n

12.50<\/p>\n<\/td>\n

\n

1.39<\/p>\n<\/td>\n

\n

1.36<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n

6.99<\/p>\n<\/td>\n

\n

9.76<\/p>\n<\/td>\n

\n

7.94<\/p>\n<\/td>\n

<\/td>\n\n

10.71<\/p>\n<\/td>\n

\n

5.37<\/p>\n<\/td>\n

\n

7.78<\/p>\n<\/td>\n

\n

6.15<\/p>\n<\/td>\n

\n

8.82<\/p>\n<\/td>\n

\n

1.35<\/p>\n<\/td>\n

\n

1.42<\/p>\n<\/td>\n<\/tr>\n

Trung b\u00ecnh<\/b><\/td>\n\n

7.32<\/b><\/p>\n<\/td>\n

\n

11.57<\/b><\/p>\n<\/td>\n

\n

7.63<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

11.20<\/b><\/p>\n<\/td>\n

\n

5.52<\/b><\/p>\n<\/td>\n

\n

9.44<\/b><\/p>\n<\/td>\n

\n

5.75<\/b><\/p>\n<\/td>\n

\n

9.84<\/b><\/p>\n<\/td>\n

\n

1.41<\/b><\/p>\n<\/td>\n

\n

1.39<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTNBP<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\n

0,38<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

2,01<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\n

2,39<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

1,38<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

MH2\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2 tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

6,89<\/p>\n<\/td>\n

\n

13,92<\/p>\n<\/td>\n

\n

6,46<\/p>\n<\/td>\n

<\/td>\n\n

13,15<\/p>\n<\/td>\n

\n

4,54<\/p>\n<\/td>\n

\n

11,71<\/p>\n<\/td>\n

\n

4,37<\/p>\n<\/td>\n

\n

12,41<\/p>\n<\/td>\n

\n

1,99<\/p>\n<\/td>\n

\n

1,87<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

6,59<\/p>\n<\/td>\n

\n

15,08<\/p>\n<\/td>\n

\n

6,73<\/p>\n<\/td>\n

<\/td>\n\n

12,33<\/p>\n<\/td>\n

\n

4,85<\/p>\n<\/td>\n

\n

12,2<\/p>\n<\/td>\n

\n

4,89<\/p>\n<\/td>\n

\n

9,68<\/p>\n<\/td>\n

\n

1,9<\/p>\n<\/td>\n

\n

1,92<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

6,57<\/p>\n<\/td>\n

\n

12,06<\/p>\n<\/td>\n

\n

6,74<\/p>\n<\/td>\n

<\/td>\n\n

13,84<\/p>\n<\/td>\n

\n

4,83<\/p>\n<\/td>\n

\n

9,08<\/p>\n<\/td>\n

\n

4,4<\/p>\n<\/td>\n

\n

11,75<\/p>\n<\/td>\n

\n

1,92<\/p>\n<\/td>\n

\n

1,9<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

6,11<\/p>\n<\/td>\n

\n

13,51<\/p>\n<\/td>\n

\n

6,58<\/p>\n<\/td>\n

<\/td>\n\n

13,75<\/p>\n<\/td>\n

\n

4,28<\/p>\n<\/td>\n

\n

12,88<\/p>\n<\/td>\n

\n

4,7<\/p>\n<\/td>\n

\n

13,27<\/p>\n<\/td>\n

\n

1,85<\/p>\n<\/td>\n

\n

1,84<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n

6,09<\/p>\n<\/td>\n

\n

11,47<\/p>\n<\/td>\n

\n

6,96<\/p>\n<\/td>\n

<\/td>\n\n

12,45<\/p>\n<\/td>\n

\n

4,52<\/p>\n<\/td>\n

\n

9,6<\/p>\n<\/td>\n

\n

5,58<\/p>\n<\/td>\n

\n

10,59<\/p>\n<\/td>\n

\n

1,77<\/p>\n<\/td>\n

\n

1,88<\/p>\n<\/td>\n<\/tr>\n

Trung b\u00ecnh<\/b><\/td>\n\n

6,45<\/b><\/p>\n<\/td>\n

\n

13,21<\/b><\/p>\n<\/td>\n

\n

6,69<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

13,1<\/b><\/p>\n<\/td>\n

\n

4,6<\/b><\/p>\n<\/td>\n

\n

11,09<\/b><\/p>\n<\/td>\n

\n

4,79<\/b><\/p>\n<\/td>\n

\n

11,54<\/b><\/p>\n<\/td>\n

\n

1,89<\/b><\/p>\n<\/td>\n

\n

1,88<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTNBP<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\n

1,31<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

0,32<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\u00a02,14<\/td>\n\n

4,35<\/p>\n<\/td>\n

\n

1,43<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

K\u1ebft qu\u1ea3 b\u1ea3ng 5 cho th\u1ea5y r\u1eebng B\u1ea1ch \u0111\u00e0n U6 th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n 27 th\u00e1ng tu\u1ed5i (MH1) v\u00e0 2 tu\u1ed5i (MH2) qua k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai th\u00ec: Gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e0m \u0111\u1ea5t \u0111\u1ec1u cho k\u1ebft qu\u1ea3 t\u1ea5t c\u1ea3 c\u00e1c Ft\u00ednh<\/sub> \u0111\u1ec1u < F0,5<\/sub> n\u00ean ch\u1ee9ng t\u1ecf gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n v\u00e0 BPKT l\u00e0m \u0111\u1ea5t ch\u01b0a c\u00f3 \u1ea3nh h\u01b0\u1edfng kh\u00e1c nhau t\u1edbi sinh tr\u01b0\u1edfng B\u1ea1ch \u0111\u00e0n U6 \u1edf c\u1ea3 hai m\u00f4 h\u00ecnh giai \u0111o\u1ea1n n\u00e0y. Ch\u1ee9ng t\u1ecf l\u00fac n\u00e0y r\u1eebng m\u1edbi \u0111\u01b0\u1ee3c b\u00f3n th\u00fac, ch\u01b0a \u0111\u1ee7 th\u1eddi gian t\u00e1c \u0111\u1ed9ng m\u1ea1nh \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y n\u00ean ch\u01b0a th\u1ea5y sai kh\u00e1c r\u00f5 r\u1ec7t v\u1ec1 sinh tr\u01b0\u1edfng gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m.<\/p>\n

B\u1ea3ng 6. \u1ea2nh h\u01b0\u1edfng c\u1ee7a BPKTL\u0110 v\u00e0 BP \u0111\u1ebfn r\u1eebng B\u0110U6 \u1edf 4 tu\u1ed5i (MH1) v\u00e0 3 tu\u1ed5i (MH2)<\/h5>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

\u00a0MH\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tu\u1ed5i<\/p>\n<\/td>\n

\n

CT<\/b><\/p>\n<\/td>\n

\n

M\u0110 ban \u0111\u1ea7u\u00a0<\/b><\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 s\u1ed1ng (%)<\/b><\/p>\n<\/td>\n

\n

D1.3\u00a0 (cm)<\/b><\/p>\n<\/td>\n

\n

Hvn\u00a0 (m)<\/b><\/p>\n<\/td>\n

\n

V (m3<\/sup>)<\/b><\/p>\n<\/td>\n

\n

M (m3<\/sup>\/ha)<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

C\u1ee5c b\u1ed9\u00a0<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

\u00a0X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

\u00a0X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

MH1\/ 4 tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

98,65<\/p>\n<\/td>\n

\n

7,66<\/p>\n<\/td>\n

\n

15,78<\/p>\n<\/td>\n

\n

8,33<\/p>\n<\/td>\n

\n

11,43<\/p>\n<\/td>\n

\n

8,51<\/p>\n<\/td>\n

\n

18,79<\/p>\n<\/td>\n

\n

8,56<\/p>\n<\/td>\n

\n

12,93<\/p>\n<\/td>\n

\n

0,0195<\/p>\n<\/td>\n

\n

0,0233<\/p>\n<\/td>\n

\n

31,87<\/p>\n<\/td>\n

\n

37,93<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

99,32<\/p>\n<\/td>\n

\n

7,77<\/p>\n<\/td>\n

\n

15,9<\/p>\n<\/td>\n

\n

8,15<\/p>\n<\/td>\n

\n

11,31<\/p>\n<\/td>\n

\n

8,23<\/p>\n<\/td>\n

\n

19,63<\/p>\n<\/td>\n

\n

8,42<\/p>\n<\/td>\n

\n

13,94<\/p>\n<\/td>\n

\n

0,0195<\/p>\n<\/td>\n

\n

0,0219<\/p>\n<\/td>\n

\n

31,97<\/p>\n<\/td>\n

\n

35,97<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

98,74<\/p>\n<\/td>\n

\n

7,81<\/p>\n<\/td>\n

\n

16,07<\/p>\n<\/td>\n

\n

8,34<\/p>\n<\/td>\n

\n

13,11<\/p>\n<\/td>\n

\n

7,94<\/p>\n<\/td>\n

\n

17,63<\/p>\n<\/td>\n

\n

8,4<\/p>\n<\/td>\n

\n

16,07<\/p>\n<\/td>\n

\n

0,0189<\/p>\n<\/td>\n

\n

0,0229<\/p>\n<\/td>\n

\n

30,93<\/p>\n<\/td>\n

\n

37,32<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

98,97<\/p>\n<\/td>\n

\n

7,91<\/b><\/p>\n<\/td>\n

\n

14,74<\/p>\n<\/td>\n

\n

8,68<\/b><\/p>\n<\/td>\n

\n

9,92<\/p>\n<\/td>\n

\n

8,99<\/p>\n<\/td>\n

\n

17,17<\/p>\n<\/td>\n

\n

8,81<\/p>\n<\/td>\n

\n

12,75<\/p>\n<\/td>\n

\n

0,022<\/b><\/p>\n<\/td>\n

\n

0,026<\/b><\/p>\n<\/td>\n

\n

36,04<\/b><\/p>\n<\/td>\n

\n

42,5<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

99,23<\/p>\n<\/td>\n

\n

8,06<\/b><\/p>\n<\/td>\n

\n

17,2<\/p>\n<\/td>\n

\n

8,71<\/b><\/p>\n<\/td>\n

\n

12,06<\/p>\n<\/td>\n

\n

9,19<\/p>\n<\/td>\n

\n

20,41<\/p>\n<\/td>\n

\n

8,97<\/p>\n<\/td>\n

\n

13,53<\/p>\n<\/td>\n

\n

0,023<\/b><\/p>\n<\/td>\n

\n

0,027<\/b><\/p>\n<\/td>\n

\n

38,32<\/b><\/p>\n<\/td>\n

\n

43,75<\/b><\/p>\n<\/td>\n<\/tr>\n

T\/ b\u00ecnh<\/b><\/td>\n\n

98,9<\/b><\/p>\n<\/td>\n

\n

7,74<\/b><\/p>\n<\/td>\n

\n

15,9<\/b><\/p>\n<\/td>\n

\n

8,27<\/b><\/p>\n<\/td>\n

\n

12<\/b><\/p>\n<\/td>\n

\n

8,23<\/b><\/p>\n<\/td>\n

\n

18,7<\/b><\/p>\n<\/td>\n

\n

8,46<\/b><\/p>\n<\/td>\n

\n

14,31<\/b><\/p>\n<\/td>\n

\n

0,019<\/b><\/p>\n<\/td>\n

\n

0,023<\/b><\/p>\n<\/td>\n

\n

31,59<\/b><\/p>\n<\/td>\n

\n

37,07<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTNBP<\/p>\n<\/td>\n

\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

2,96<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

0,93<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

3,04<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

3,86<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

1,24<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

5,41<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
\n

MH2\/<\/p>\n

3tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

99,78<\/p>\n<\/td>\n

\n

6,43<\/p>\n<\/td>\n

\n

15,09<\/p>\n<\/td>\n

\n

7,01<\/p>\n<\/td>\n

\n

12,56<\/p>\n<\/td>\n

\n

7,47<\/p>\n<\/td>\n

\n

16,73<\/p>\n<\/td>\n

\n

7,18<\/p>\n<\/td>\n

\n

14,67<\/p>\n<\/td>\n

\n

0,0121<\/p>\n<\/td>\n

\n

0,0139<\/p>\n<\/td>\n

\n

19,99<\/p>\n<\/td>\n

\n

22,81<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

99,67<\/p>\n<\/td>\n

\n

6,54<\/p>\n<\/td>\n

\n

16,8<\/p>\n<\/td>\n

\n

6,98<\/p>\n<\/td>\n

\n

12,66<\/p>\n<\/td>\n

\n

6,86<\/p>\n<\/td>\n

\n

20,57<\/p>\n<\/td>\n

\n

7,43<\/p>\n<\/td>\n

\n

14,75<\/p>\n<\/td>\n

\n

0,0115<\/p>\n<\/td>\n

\n

0,017<\/p>\n<\/td>\n

\n

18,93<\/p>\n<\/td>\n

\n

24,31<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

99,54<\/p>\n<\/td>\n

\n

6,32<\/p>\n<\/td>\n

\n

14,89<\/p>\n<\/td>\n

\n

6,97<\/p>\n<\/td>\n

\n

13,09<\/p>\n<\/td>\n

\n

7,12<\/p>\n<\/td>\n

\n

18,58<\/p>\n<\/td>\n

\n

7,16<\/p>\n<\/td>\n

\n

14,29<\/p>\n<\/td>\n

\n

0,0112<\/p>\n<\/td>\n

\n

0,0137<\/p>\n<\/td>\n

\n

18,32<\/p>\n<\/td>\n

\n

22,41<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

99,63<\/p>\n<\/td>\n

\n

6,55<\/p>\n<\/td>\n

\n

15,43<\/p>\n<\/td>\n

\n

7,07<\/p>\n<\/td>\n

\n

12,58<\/p>\n<\/td>\n

\n

7,33<\/p>\n<\/td>\n

\n

18,84<\/p>\n<\/td>\n

\n

7,26<\/p>\n<\/td>\n

\n

15,25<\/p>\n<\/td>\n

\n

0,0124<\/p>\n<\/td>\n

\n

0,0143<\/p>\n<\/td>\n

\n

20,32<\/p>\n<\/td>\n

\n

23,42<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

99,81<\/p>\n<\/td>\n

\n

7,19<\/b><\/p>\n<\/td>\n

\n

16,4<\/p>\n<\/td>\n

\n

7,52<\/b><\/p>\n<\/td>\n

\n

14,77<\/p>\n<\/td>\n

\n

7,77<\/b><\/p>\n<\/td>\n

\n

19,71<\/p>\n<\/td>\n

\n

7,73<\/b><\/p>\n<\/td>\n

\n

16,52<\/p>\n<\/td>\n

\n

0,016<\/b><\/p>\n<\/td>\n

\n

0,017<\/b><\/p>\n<\/td>\n

\n

25,98<\/b><\/p>\n<\/td>\n

\n

28,26<\/b><\/p>\n<\/td>\n<\/tr>\n

T\/ b\u00ecnh<\/b><\/td>\n\u00a0<\/b><\/td>\n\n

6,61<\/b><\/p>\n<\/td>\n

\n

15,7<\/b><\/p>\n<\/td>\n

\n

7,21<\/b><\/p>\n<\/td>\n

\n

13,1<\/b><\/p>\n<\/td>\n

\n

7,31<\/b><\/p>\n<\/td>\n

\n

18,9<\/b><\/p>\n<\/td>\n

\n

7,41<\/b><\/p>\n<\/td>\n

\n

15,09<\/b><\/p>\n<\/td>\n

\n

0,013<\/b><\/p>\n<\/td>\n

\n

0,015<\/b><\/p>\n<\/td>\n

\n

20,71<\/b><\/p>\n<\/td>\n

\n

24,96<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTNBP<\/p>\n<\/td>\n

\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

3,02<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

1,71<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

\n

3,65<\/p>\n<\/td>\n

\n

2,87<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

4,99<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

2,65<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

\n

4,94<\/p>\n<\/td>\n

\n

4,35<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

T\u1eeb k\u1ebft qu\u1ea3 b\u1ea3ng 6 ta th\u1ea5y r\u1eb1ng r\u1eebng B\u1ea1ch \u0111\u00e0n U6 th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n 4 tu\u1ed5i (MH1) v\u00e0 3 tu\u1ed5i (MH2) qua k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai th\u00ec:<\/p>\n

Ngo\u1ea1i tr\u1eeb sinh tr\u01b0\u1edfng chi\u1ec1u cao, c\u00f2n l\u1ea1i th\u00ec t\u00e1t c\u1ea3 c\u00e1c sinh tr\u01b0\u1edfng \u1edf c\u1ea3 hai m\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m \u0111\u1ed1i v\u1edbi gi\u1eefa c\u00e1c CTTN b\u00f3n ph\u00e2n v\u00e0 c\u00e1c BPKT l\u00e0m \u0111\u1ea5t \u0111\u1ec1u cho k\u1ebft qu\u1ea3 Ft\u00ednh<\/sub> > F0,5<\/sub> ch\u1ee9ng t\u1ecf c\u00f3 sai kh\u00e1c gi\u1eefa c\u00e1c CTTN. Qua k\u1ebft qu\u1ea3 ph\u00e2n nh\u00f3m th\u00ec CT4 v\u00e0 CT5 cho k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t. T\u1ee9c l\u00e0 hai c\u00f4ng th\u1ee9c b\u00f3n 200g NPK v\u00e0 100g NPK + 200g VSHC cho k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t. V\u00e0 BPKT l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n t\u1ed1t h\u01a1n so v\u1edbi l\u00e0m \u0111\u1ea5t c\u1ee5c b\u1ed9.<\/p>\n

2.2. Th\u00ed nghi\u1ec7m M\u1eadt \u0111\u1ed9 tr\u1ed3ng\u00a0 B\u1ea1ch \u0111\u00e0n U6:<\/i><\/i><\/h4>\n
B\u1ea3ng 7. \u1ea2nh h\u01b0\u1edfng c\u1ee7a BPKTL\u0110 v\u00e0 M\u0110T \u0111\u1ebfn ST r\u1eebng B\u0110U6 \u1edf 27 th\u00e1ng tu\u1ed5i (MH1) v\u00e0 2 tu\u1ed5i (MH2)<\/h5>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

MH\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tu\u1ed5i<\/p>\n<\/td>\n

\n

C\u00f4ng th\u1ee9c<\/b><\/p>\n<\/td>\n

\n

Do (cm)<\/b><\/p>\n<\/td>\n

\n

Hvn (m)<\/b><\/p>\n<\/td>\n

\n

Dt (m)<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

\u00a0X<\/p>\n<\/td>\n

<\/td>\n\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0MH1\/\u00a0\u00a0\u00a0\u00a0 27 th\u00e1ng tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

7.15<\/p>\n<\/td>\n

\n

11.14<\/p>\n<\/td>\n

\n

7.28<\/p>\n<\/td>\n

<\/td>\n\n

10.77<\/p>\n<\/td>\n

\n

5.68<\/p>\n<\/td>\n

\n

9.16<\/p>\n<\/td>\n

\n

5.71<\/p>\n<\/td>\n

\n

9.56<\/p>\n<\/td>\n

\n

1.36<\/p>\n<\/td>\n

\n

1.34<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

6.72<\/p>\n<\/td>\n

\n

11.28<\/p>\n<\/td>\n

\n

7.89<\/p>\n<\/td>\n

<\/td>\n\n

10.17<\/p>\n<\/td>\n

\n

5.56<\/p>\n<\/td>\n

\n

9.96<\/p>\n<\/td>\n

\n

6.05<\/p>\n<\/td>\n

\n

7.04<\/p>\n<\/td>\n

\n

1.37<\/p>\n<\/td>\n

\n

1.44<\/p>\n<\/td>\n<\/tr>\n

Trung b\u00ecnh<\/b><\/td>\n\n

6.93<\/b><\/p>\n<\/td>\n

\n

11.21<\/b><\/p>\n<\/td>\n

\n

7.59<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

10.47<\/b><\/p>\n<\/td>\n

\n

5.62<\/b><\/p>\n<\/td>\n

\n

9.56<\/b><\/p>\n<\/td>\n

\n

5.88<\/b><\/p>\n<\/td>\n

\n

8.30<\/b><\/p>\n<\/td>\n

\n

1.37<\/b><\/p>\n<\/td>\n

\n

1.39<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTNM\u0110T<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\u00a00,41<\/td>\n\u00a05,32<\/td>\n\n

0,21<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\u00a06,82<\/td>\n\u00a05,32<\/td>\n\n

1,19<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

MH2\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2 tu\u1ed5i<\/td>\n\n

1<\/p>\n<\/td>\n

\n

6,27<\/p>\n<\/td>\n

\n

13,02<\/p>\n<\/td>\n

\n

6,35<\/p>\n<\/td>\n

<\/td>\n\n

12,62<\/p>\n<\/td>\n

\n

4,84<\/p>\n<\/td>\n

\n

11,2<\/p>\n<\/td>\n

\n

4,86<\/p>\n<\/td>\n

\n

11,6<\/p>\n<\/td>\n

\n

1,78<\/p>\n<\/td>\n

\n

1,73<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

6,54<\/p>\n<\/td>\n

\n

13,25<\/p>\n<\/td>\n

\n

6,97<\/p>\n<\/td>\n

<\/td>\n\n

11,73<\/p>\n<\/td>\n

\n

4,97<\/p>\n<\/td>\n

\n

12,1<\/p>\n<\/td>\n

\n

5,21<\/p>\n<\/td>\n

\n

8,4<\/p>\n<\/td>\n

\n

1,78<\/p>\n<\/td>\n

\n

1,81<\/p>\n<\/td>\n<\/tr>\n

Trung b\u00ecnh<\/b><\/td>\n\n

6,40<\/b><\/p>\n<\/td>\n

\n

13,13<\/b><\/p>\n<\/td>\n

\n

6,66<\/b><\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

12,17<\/b><\/p>\n<\/td>\n

\n

4,91<\/b><\/p>\n<\/td>\n

\n

11,6<\/b><\/p>\n<\/td>\n

\n

5,04<\/b><\/p>\n<\/td>\n

\n

9,98<\/b><\/p>\n<\/td>\n

\n

1,78<\/b><\/p>\n<\/td>\n

\n

1,77<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTNM\u0110T<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\u00a02,11<\/td>\n\u00a05,32<\/td>\n\n

0,93<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

Ft<\/sub>\/F0.5<\/sub><\/td>\n\u00a04,22<\/td>\n\u00a05,32<\/td>\n\n

3,77<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n<\/tr>\n

<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

K\u1ebft qu\u1ea3 b\u1ea3ng 7 cho th\u1ea5y r\u1eebng B\u1ea1ch \u0111\u00e0n U6 Th\u00ed nghi\u1ec7m M\u1eadt \u0111\u1ed9 tr\u1ed3ng 27 th\u00e1ng tu\u1ed5i (MH1) v\u00e0 2 tu\u1ed5i (MH2) qua k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai th\u00ec:<\/p>\n

– Gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9 tr\u1ed3ng: c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c Ft\u00ednh<\/sub> < F0,5<\/sub>, t\u1ee9c l\u00e0 \u1ea3nh h\u01b0\u1edfng gi\u1eefa c\u00e1c m\u1eadt \u0111\u1ed9 tr\u1ed3ng \u0111\u1ed1i v\u1edbi sinh tr\u01b0\u1edfng c\u1ee7a B\u1ea1ch \u0111\u00e0n U6 giai \u0111o\u1ea1n\u00a0 27 th\u00e1ng tu\u1ed5i (MH1) v\u00e0 2 tu\u1ed5i (MH2) l\u00e0 ch\u01b0a kh\u00e1c nhau.<\/p>\n

– Gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m l\u00e0m \u0111\u1ea5t: Ch\u1ec9 c\u00f3 Ft\u00ednh<\/sub> Do c\u1ee7a MH2 l\u00e0 > F0,5<\/sub> c\u00f3 sai kh\u00e1c, t\u1ee9c l\u00e0 ch\u1ec9 sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh \u1edf m\u00f4 h\u00ecnh 2 c\u00f3 sai kh\u00e1c gi\u1eefa c\u00e1c BPKT l\u00e0m \u0111\u1ea5t, c\u00f2n c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c ch\u01b0a bi\u1ec3u hi\u1ec7n sai kh\u00e1c.<\/p>\n

B\u1ea3ng 8. \u1ea2nh h\u01b0\u1edfng c\u1ee7a BPKTL\u0110 v\u00e0 M\u0110T \u0111\u1ebfn ST r\u1eebng B\u0110U6 \u1edf 4 tu\u1ed5i (MH1) v\u00e0 3 tu\u1ed5i (MH2)<\/h5>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

\u00a0MH\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tu\u1ed5i<\/p>\n<\/td>\n

\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

M\u0110 ban \u0111\u1ea7u\u00a0<\/b><\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 s\u1ed1ng (%)<\/b><\/p>\n<\/td>\n

\n

D1.3\u00a0 (cm)<\/b><\/p>\n<\/td>\n

\n

Hvn\u00a0 (m)<\/b><\/p>\n<\/td>\n

\n

V (m3<\/sup>)<\/b><\/p>\n<\/td>\n

\n

M (m3<\/sup>\/ha)<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

C\u1ee5c b\u1ed9\u00a0<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9\u00a0<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9\u00a0<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n

\n

C\u1ee5c b\u1ed9\u00a0<\/b><\/p>\n<\/td>\n

\n

To\u00e0n di\u1ec7n<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n

\n

\u00a0X<\/p>\n<\/td>\n

\n

V%<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

MH1\/ 4 tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

2200<\/p>\n<\/td>\n

\n

95,53<\/p>\n<\/td>\n

\n

6,93<\/p>\n<\/td>\n

\n

17,44<\/p>\n<\/td>\n

\n

8,06<\/p>\n<\/td>\n

\n

11,03<\/p>\n<\/td>\n

\n

7,13<\/p>\n<\/td>\n

\n

20,45<\/p>\n<\/td>\n

\n

8,46<\/p>\n<\/td>\n

\n

14,7<\/p>\n<\/td>\n

\n

0,01346<\/p>\n<\/td>\n

\n

0,02158<\/p>\n<\/td>\n

\n

28,29<\/p>\n<\/td>\n

\n

45,35<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

99,17<\/p>\n<\/td>\n

\n

7,22<\/b><\/p>\n<\/td>\n

\n

16,8<\/p>\n<\/td>\n

\n

8,63<\/b><\/p>\n<\/td>\n

\n

11,95<\/p>\n<\/td>\n

\n

7,38<\/p>\n<\/td>\n

\n

20,06<\/p>\n<\/td>\n

\n

8,48<\/p>\n<\/td>\n

\n

15,6<\/p>\n<\/td>\n

\n

0,01508<\/p>\n<\/td>\n

\n

0,02482<\/p>\n<\/td>\n

\n

24,68<\/p>\n<\/td>\n

\n

40,61<\/p>\n<\/td>\n<\/tr>\n

Trung b\u00ecnh<\/b><\/td>\n\u00a0<\/b><\/td>\n\n

7,08<\/b><\/p>\n<\/td>\n

\n

17,1<\/b><\/p>\n<\/td>\n

\n

8,35<\/b><\/p>\n<\/td>\n

\n

11,49<\/b><\/p>\n<\/td>\n

\n

7,26<\/b><\/p>\n<\/td>\n

\n

20,3<\/b><\/p>\n<\/td>\n

\n

8,47<\/b><\/p>\n<\/td>\n

\n

15,2<\/b><\/p>\n<\/td>\n

\n

0,0143<\/b><\/p>\n<\/td>\n

\n

0,0232<\/b><\/p>\n<\/td>\n

\n

26,48<\/b><\/p>\n<\/td>\n

\n

42,98<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTNM\u0110<\/p>\n<\/td>\n

\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

5,51<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

1,91<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

3,78<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

5,41<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

8,19<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

13,08<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
\n

MH2\/<\/p>\n

3tu\u1ed5i<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

2200<\/p>\n<\/td>\n

\n

97,86<\/p>\n<\/td>\n

\n

5,98<\/p>\n<\/td>\n

\n

17,08<\/p>\n<\/td>\n

\n

7,04<\/p>\n<\/td>\n

\n

12,22<\/p>\n<\/td>\n

\n

6,29<\/p>\n<\/td>\n

\n

18,19<\/p>\n<\/td>\n

\n

7,16<\/p>\n<\/td>\n

\n

14,5<\/p>\n<\/td>\n

\n

0,00883<\/p>\n<\/td>\n

\n

0,01392<\/p>\n<\/td>\n

\n

19<\/p>\n<\/td>\n

\n

29,96<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

1650<\/p>\n<\/td>\n

\n

99,12<\/p>\n<\/td>\n

\n

6,55<\/p>\n<\/td>\n

\n

15,61<\/p>\n<\/td>\n

\n

7,32<\/p>\n<\/td>\n

\n

13,46<\/p>\n<\/td>\n

\n

6,71<\/p>\n<\/td>\n

\n

18,09<\/p>\n<\/td>\n

\n

7,26<\/p>\n<\/td>\n

\n

15,5<\/p>\n<\/td>\n

\n

0,01129<\/p>\n<\/td>\n

\n

0,01528<\/p>\n<\/td>\n

\n

18,47<\/p>\n<\/td>\n

\n

24,99<\/p>\n<\/td>\n<\/tr>\n

Trung b\u00ecnh<\/b><\/td>\n\u00a0<\/b><\/td>\n\n

6,26<\/b><\/p>\n<\/td>\n

\n

16,3<\/b><\/p>\n<\/td>\n

\n

7,18<\/b><\/p>\n<\/td>\n

\n

12,8<\/b><\/p>\n<\/td>\n

\n

6,5<\/b><\/p>\n<\/td>\n

\n

18,1<\/b><\/p>\n<\/td>\n

\n

7,06<\/b><\/p>\n<\/td>\n

\n

15<\/b><\/p>\n<\/td>\n

\n

0,0101<\/b><\/p>\n<\/td>\n

\n

0,0146<\/b><\/p>\n<\/td>\n

\n

18,74<\/b><\/p>\n<\/td>\n

\n

27,48<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

B\u0110 gi\u1eefa c\u00e1c CTTNM\u0110<\/p>\n<\/td>\n

\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

5,39<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

3,28<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

5,73<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
\n

B\u0110 gi\u1eefa c\u00e1c BPKTL\u0110<\/p>\n<\/td>\n

\n

Ft<\/sub>\/F0.5<\/sub><\/p>\n<\/td>\n

\n

5,47<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

5,91<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

\n

9,89<\/p>\n<\/td>\n

\n

5,32<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

K\u1ebft qu\u1ea3 b\u1ea3ng 8 cho th\u1ea5y r\u1eebng B\u1ea1ch \u0111\u00e0n U6 th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9, \u1edf \u0111\u1ed9 tu\u1ed5i 3 v\u00e0 4 qua k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai th\u00ec:<\/p>\n

– Gi\u1eefa c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9: Ngo\u1ea1i tr\u1eeb chi\u1ec1u cao c\u00f3 Ft\u00ednh<\/sub> < F0,5<\/sub>, c\u00f2n \u0111\u01b0\u1eddng k\u00ednh v\u00e0 th\u1ec3 t\u00edch th\u00e2n c\u00e2y c\u00e1 th\u1ec3 \u1edf c\u1ea3 hai m\u00f4 h\u00ecnh \u0111\u1ec1u c\u00f3 Ft\u00ednh<\/sub> > F0,5<\/sub> ch\u1ee9ng t\u1ecf m\u1eadt \u0111\u1ed9 1.650 c\u00e2y\/ha cho sinh tr\u01b0\u1edfng t\u1ed1t h\u01a1n. Nh\u01b0 v\u1eady giai \u0111o\u1ea1n n\u00e0y r\u1eebng \u0111\u00e3 c\u00f3 s\u1ef1 c\u1ea1nh tranh kh\u00f4ng gian dinh d\u01b0\u1ee1ng l\u1edbn, m\u1eadt \u0111\u1ed9 1.650 c\u00e2y\/ha c\u00f3 kh\u00f4ng gian dinh d\u01b0\u1ee1ng nhi\u1ec1u h\u01a1n n\u00ean c\u00f3 khuynh h\u01b0\u1edbng sinh tr\u01b0\u1edfng m\u1ea1nh h\u01a1n v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 th\u1ec3 t\u00edch th\u00e2n c\u00e2y. Song x\u00e9t v\u1ec1 tr\u1eef l\u01b0\u1ee3ng th\u00ec m\u1eadt \u0111\u1ed9 2.200 c\u00e2y\/ha c\u00f2n cao h\u01a1n so v\u1edbi m\u1eadt \u0111\u1ed9 1.650 c\u00e2y\/ha. Nh\u01b0 v\u1eady giai \u0111o\u1ea1n 4 tu\u1ed5i tr\u1eef l\u01b0\u1ee3ng\u00a0 hai m\u1eadt \u0111\u1ed9 n\u00e0y \u0111ang t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau. Ch\u00ednh v\u00ec v\u1eady c\u1ea7n c\u00f3 th\u00eam th\u1eddi gian theo d\u00f5i, v\u00ec tu\u1ed5i c\u00e0ng cao th\u00ec t\u00e1n ph\u00e1t tri\u1ec3n c\u00e0ng m\u1ea1nh v\u00e0 s\u1ef1 c\u1ea1nh tranh kh\u00f4ng gian dinh d\u01b0\u1ee1ng c\u00e0ng m\u1ea1nh, do \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c m\u1eadt \u0111\u1ed9 kh\u00e1c nhau \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y c\u00e0ng r\u00f5 r\u1ec7t, v\u00e0 nh\u01b0 v\u1eady m\u1edbi k\u1ebft lu\u1eadn ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c.<\/p>\n

* \u0110\u00e1nh gi\u00e1 chung k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n:<\/i><\/i><\/h4>\n

Th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n \u0111\u00e3 cung c\u1ea5p \u0111\u01b0\u1ee3c m\u1ed9t l\u01b0\u1ee3ng ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft cho c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n. Trong giai \u0111o\u1ea1n \u0111\u1ea7u m\u1edbi b\u00f3n th\u00fac s\u1ef1 \u1ea3nh gi\u1eefa c\u00e1c lo\u1ea1i ph\u00e2n kh\u00e1c nhau \u0111\u1ed1i v\u1edbi r\u1eebng tr\u1ed3ng ch\u01b0a c\u00f3 sai kh\u00e1c r\u00f5 r\u1ec7t, \u0111\u1ebfn tu\u1ed5i 3 v\u00e0 4 th\u00ec hai c\u00f4ng th\u1ee9c b\u00f3n th\u00fac 200g NPK v\u00e0 100g NPK + 200g VSHC cho k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t v\u1ec1 chi\u1ec1u cao v\u00e0 th\u1ec3 t\u00edch th\u00e2n c\u00e2y c\u00e1 th\u1ec3, \u0111\u1ed1i v\u1edbi c\u1ea3 hai lo\u00e0i Keo l\u01b0\u1ee1i li\u1ec1m v\u00e0 B\u1ea1ch \u0111\u00e0n U6, x\u00e9t t\u1ed5ng th\u1ec3 th\u00ec c\u0169ng cho k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t v\u1ec1 tr\u1eef l\u01b0\u1ee3ng. Hai c\u00f4ng th\u1ee9c b\u00f3n ph\u00e2n n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh g\u1ed7 nguy\u00ean li\u1ec7u t\u1ea1i t\u1ec9nh Qu\u1ea3ng Tr\u1ecb.<\/p>\n

* \u0110\u00e1nh gi\u00e1 chung k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9 tr\u1ed3ng Keo l\u01b0\u1ee1i li\u1ec1m:<\/i><\/i><\/h4>\n

V\u1edbi hai m\u1eadt \u0111\u1ed9 \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed th\u00ed nghi\u1ec7m \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m tu\u1ed5i 3, v\u00e0 4, r\u1eebng \u0111\u00e3 kh\u00e9p t\u00e1n, c\u1ea1nh tranh sinh tr\u01b0\u1edfng \u0111\u00e3 r\u00f5 r\u1ec7t, do \u0111\u00f3 m\u1eadt \u0111\u1ed9 1330 c\u00e2y\/ha \u0111\u1ed1i v\u1edbi keo l\u01b0\u1ee1i li\u1ec1m v\u00e0 1.650 c\u00e2y\/ha \u0111\u1ed1i v\u1edbi B\u1ea1ch \u0111\u00e0n U6 cho k\u1ebft qu\u1ea3 l\u00e0 sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 th\u1ec3 t\u00edch th\u00e2n c\u00e2y t\u1ed1t h\u01a1n m\u1eadt \u0111\u1ed9 c\u00f2n l\u1ea1i. Tuy nhi\u00ean x\u00e9t v\u1ec1 tr\u1eef l\u01b0\u1ee3ng th\u00ec hai m\u1eadt \u0111\u1ed9 n\u00e0y \u0111ang t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau, t\u1ee9c l\u00e0 ch\u01b0a th\u1ec3 k\u1ebft lu\u1eadn \u0111\u01b0\u1ee3c m\u1eadt \u0111\u1ed9 n\u00e0o l\u00e0 t\u1ed1t h\u01a1n, c\u1ea7n c\u00f3 th\u1eddi gian theo d\u00f5i ti\u1ebfp theo \u0111\u1ec3 c\u00f3 k\u1ebft lu\u1eadn ch\u00ednh x\u00e1c h\u01a1n. V\u00ec gi\u1edbi h\u1ea1n th\u1eddi gian c\u1ee7a \u0111\u1ec1 t\u00e0i, tr\u01b0\u1edbc m\u1eaft \u0111\u1ec1 t\u00e0i l\u1ef1a ch\u1ecdn m\u1eadt \u0111\u1ed9 1.330 c\u00e2y\/ha \u00a0\u0111\u1ed1i v\u1edbi Keo l\u01b0\u1ee1i li\u1ec1m v\u00e0 1.650 c\u00e2y\/ha \u0111\u1ed1i v\u1edbi B\u1ea1ch \u0111\u00e0n U6 \u0111\u1ec3 x\u00e2y d\u1ef1ng h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng l\u00e0m nguy\u00ean li\u1ec7u, song s\u1ebd ti\u1ebfp t\u1ee5c theo d\u00f5i \u0111\u1ec3 s\u1eeda \u0111\u1ed5i b\u1ed5 sung.<\/p>\n

* \u0110\u00e1nh gi\u00e1 chung k\u1ebft qu\u1ea3 gi\u1eefa hai bi\u1ec7n ph\u00e1p l\u00e0m \u0111\u1ea5t Keo l\u01b0\u1ee1i li\u1ec1m:<\/i> <\/i><\/h4>\n

Theo k\u1ebft qu\u1ea3 chung th\u00ec bi\u1ec7n ph\u00e1p l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n cho sinh tr\u01b0\u1edfng cao h\u01a1n so v\u1edbi l\u00e0m \u0111\u1ea5t c\u1ee5c b\u1ed9 \u1edf h\u1ea7u h\u1ebft c\u00e1c k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m c\u1ea3 b\u00f3n ph\u00e2n v\u00e0 m\u1eadt \u0111\u1ed9 tr\u1ed3ng, ch\u1ee9ng t\u1ecf \u1ea3nh h\u01b0\u1edfng c\u1ee7a bi\u1ec7n ph\u00e1p l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n \u0111\u1ed1i v\u1edbi sinh tr\u01b0\u1edfng c\u1ee7a r\u1eebng Keo l\u01b0\u1ee1i li\u1ec1m v\u00e0 B\u1ea1ch \u0111\u00e0n U6 l\u00e0 t\u1ed1t h\u01a1n so v\u1edbi l\u00e0m \u0111\u1ea5t c\u1ee5c b\u1ed9. \u0110\u1ec1 t\u00e0i s\u1eed d\u1ee5ng BPKT l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n \u0111\u1ec3 x\u00e2y d\u1ef1ng h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng l\u00e0m nguy\u00ean li\u1ec7u.<\/p>\n

3. H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh g\u1ed7 nguy\u00ean li\u1ec7u t\u1ea1i t\u1ec9nh Qu\u1ea3ng Tr\u1ecb:<\/b><\/p>\n

(Cho lo\u00e0i B\u1ea1ch \u0111\u00e0n U6 v\u00e0 Keo l\u01b0\u1ee1i li\u1ec1m).<\/i><\/b><\/p>\n

–\u00a0 Bi\u1ec7n ph\u00e1p l\u00e0m \u0111\u1ea5t: X\u1eed l\u00fd th\u1ef1c b\u00ec v\u00e0 l\u00e0m \u0111\u1ea5t b\u1eb1ng c\u01a1 gi\u1edbi, \u1ee7i to\u00e0n di\u1ec7n, c\u00e0y to\u00e0n di\u1ec7n s\u00e2u >25cm, sau \u0111\u00f3 c\u00e0y r\u1ea1ch l\u1ea1i v\u1edbi \u0111\u1ed9 s\u00e2u >40cm, kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng c\u00e0y l\u00e0 3m, c\u00e1c \u0111\u01b0\u1eddng c\u00e0y ph\u1ea3i theo \u0111\u01b0\u1eddng \u0111\u1ed3ng m\u1ee9c. Th\u1eddi v\u1ee5 l\u00e0m \u0111\u1ea5t: cu\u1ed1i m\u00f9a m\u01b0a l\u0169 kho\u1ea3ng cu\u1ed1i th\u00e1ng 10, \u0111\u1ea7u th\u00e1ng 11 h\u00e0ng n\u0103m.<\/p>\n

– M\u1eadt \u0111\u1ed9 tr\u1ed3ng: M\u1eadt \u0111\u1ed9 t\u1ed1t nh\u1ea5t l\u00e0: 1.650 c\u00e2y\/ha \u0111\u1ed1i v\u1edbi B\u1ea1ch \u0111\u00e0n U6 v\u00e0 1.330 \u0111\u1ed1i v\u1edbi Keo l\u01b0\u1ee1i li\u1ec1m, song c\u1ea7n ti\u1ebfp t\u1ee5c theo d\u00f5i \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ea7y \u0111\u1ee7 h\u01a1n cho c\u00e1c m\u1eadt \u0111\u1ed9 kh\u00e1c.<\/p>\n

– Ph\u00e2n b\u00f3n:<\/p>\n

+ B\u00f3n l\u00f3t: \u0110\u1ec1 t\u00e0i kh\u00f4ng th\u1ef1c nghi\u1ec7m b\u00f3n l\u00f3t m\u00e0 ch\u1ec9 b\u00f3n VSHC li\u1ec1u l\u01b0\u1ee3ng 200 g\/g\u1ed1c.<\/p>\n

+ B\u00f3n th\u00fac:<\/p>\n

Lo\u1ea1i ph\u00e2n v\u00e0 li\u1ec1u l\u01b0\u1ee3ng: C\u00f3 th\u1ec3 b\u00f3n m\u1ed9t trong hai c\u00f4ng th\u1ee9c sau: 200g NPK 5:10:3 ho\u1eb7c 200g VSHC + 100g NPK.<\/p>\n

Th\u1eddi \u0111i\u1ec3m b\u00f3n th\u00fac: Sau khi tr\u1ed3ng r\u1eebng h\u01a1n m\u1ed9t n\u0103m, \u0111\u1ea7u m\u00f9a xu\u00e2n c\u1ee7a n\u0103m sau n\u1eefa sau n\u0103m tr\u1ed3ng r\u1eebng (t\u1ee9c l\u00e0 kho\u1ea3ng 13-14 th\u00e1ng sau khi tr\u1ed3ng r\u1eebng).<\/p>\n

– Ti\u00eau chu\u1ea9n c\u00e2y con: B\u1ea1ch \u0111\u00e0n U6 ph\u1ea3i nh\u00e2n gi\u1ed1ng b\u1eb1ng nu\u00f4i c\u1ea5y m\u00f4, Keo l\u01b0\u1ee1i li\u1ec1m gieo h\u1ea1t, gieo \u01b0\u01a1m theo quy tr\u00ecnh qui ph\u1ea1m tr\u1ed3ng r\u1eebng n\u00f3i chung<\/p>\n

–\u00a0 Tr\u1ed3ng r\u1eebng: Th\u1eddi v\u1ee5 tr\u1ed3ng: Cu\u1ed1i m\u00f9a m\u01b0a l\u0169, Th\u00e1ng 11 – \u00a012 h\u00e0ng n\u0103m.<\/p>\n

K\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng v\u00e0 ch\u0103m s\u00f3c r\u1eebng: Theo qui tr\u00ecnh, qui ph\u1ea1m tr\u1ed3ng r\u1eebng chung cho c\u00e1c lo\u00e0i Keo v\u00e0 B\u1ea1ch \u0111\u00e0n n\u00f3i chung.<\/p>\n

 <\/p>\n

IV. K\u1ebeT LU\u1eacN, T\u1ed2N T\u1ea0I V\u00c0 KI\u1ebeN NGH\u1eca:<\/h1>\n

K\u1ebft lu\u1eadn:<\/h2>\n

1. Th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n: Hai c\u00f4ng th\u1ee9c b\u00f3n th\u00fac 200g NPK v\u00e0 100g NPK + 200g VSHC cho k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t cho c\u1ea3 r\u1eebng B\u1ea1ch \u0111\u00e0n U6 v\u00e0 Keo l\u01b0\u1ee1i li\u1ec1m.<\/p>\n

2. Th\u00ed nghi\u1ec7m m\u1eadt \u0111\u1ed9 tr\u1ed3ng: M\u1eadt \u0111\u1ed9 1330 c\u00e2y\/ha (\u0111\u1ed1i v\u1edbi Keo l\u01b0\u1ee1i li\u1ec1m) v\u00e0 1.650 c\u00e2y\/ha (\u0110\u1ed1i v\u1edbi B\u1ea1ch \u0111\u00e0n U6) cho k\u1ebft qu\u1ea3 l\u00e0 sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 th\u1ec3 t\u00edch th\u00e2n c\u00e2y t\u1ed1t h\u01a1n so v\u1edbi m\u1eadt \u0111\u1ed9 c\u00f2n l\u1ea1i. Tuy nhi\u00ean x\u00e9t v\u1ec1 tr\u1eef l\u01b0\u1ee3ng th\u00ec gi\u1eefa c\u00e1c m\u1eadt \u0111\u1ed9 n\u00e0y \u0111ang t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau, t\u1ee9c l\u00e0 \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m 4 tu\u1ed5i ch\u01b0a k\u1ebft lu\u1eadn \u0111\u01b0\u1ee3c m\u1eadt \u0111\u1ed9 n\u00e0o l\u00e0 t\u1ed1t h\u01a1n, c\u1ea7n c\u00f3 th\u1eddi gian theo d\u00f5i ti\u1ebfp theo \u0111\u1ec3 c\u00f3 k\u1ebft lu\u1eadn ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n

3. Th\u00ed nghi\u1ec7m l\u00e0m \u0111\u1ea5t: bi\u1ec7n ph\u00e1p l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n cho sinh tr\u01b0\u1edfng t\u1ed1t h\u01a1n so v\u1edbi l\u00e0m \u0111\u1ea5t c\u1ee5c b\u1ed9 \u1edf c\u1ea3 th\u00ed nghi\u1ec7m b\u00f3n ph\u00e2n v\u00e0 m\u1eadt \u0111\u1ed9 tr\u1ed3ng \u1edf c\u1ea3 hai m\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m, v\u00e0 c\u1ea3 hai lo\u00e0i Keo l\u01b0\u1ee1i li\u1ec1m v\u00e0 B\u1ea1ch \u0111\u00e0n U6.<\/p>\n

4. H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng: \u0110\u00e3 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng v\u1edbi bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e0m \u0111\u1ea5t to\u00e0n di\u1ec7n t\u1ee9c l\u00e0 \u1ee7i to\u00e0n di\u1ec7n, c\u00e0y to\u00e0n di\u1ec7n sau \u0111\u00f3 c\u00e0y r\u1ea1ch l\u1ea1i \u0111\u1ec3 tr\u1ed3ng; m\u1eadt \u0111\u1ed9 tr\u1ed3ng 1.330 c\u00e2y\/ha cho Keo l\u01b0\u1ee1i li\u1ec1m v\u00e0 1.650 c\u00e2y\/ha cho B\u1ea1ch \u0111\u00e0n U6; b\u00f3n th\u00fac 200g NPK 5:10:3 ho\u1eb7c 200g VSHC + 100g NPK v\u00e0o m\u00f9a xu\u00e2n sau khi tr\u1ed3ng h\u01a1n 1 n\u0103m.<\/p>\n

T\u1ed3n t\u1ea1i:<\/h2>\n

– Do h\u1ea1n ch\u1ebf v\u1ec1 th\u1eddi gian n\u00ean \u0111\u1ec1 t\u00e0i ch\u01b0a \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c \u0111\u1ea7y \u0111\u1ee7 c\u00e1c k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh g\u1ed7 nguy\u00ean li\u1ec7u t\u1ea1i t\u1ec9nh Qu\u1ea3ng Tr\u1ecb ho\u00e0n thi\u1ec7n h\u01a1n.<\/p>\n

– Gi\u1edbi h\u1ea1n c\u1ee7a \u0111\u1ec1 t\u00e0i l\u00e0 tr\u1ed3ng r\u1eebng th\u00e2m canh g\u1ed7 nguy\u00ean li\u1ec7u ch\u00ednh l\u00e0 d\u0103m gi\u1ea5y v\u00e0 v\u00e1n d\u0103m, s\u1ea3n ph\u1ea9m g\u1ed7 nh\u1ecf n\u00ean c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m b\u1ed1 tr\u00ed ch\u01b0a \u0111a d\u1ea1ng v\u00e0 ch\u01b0a nhi\u1ec1u.<\/p>\n

\u00a0Ki\u1ebfn ngh\u1ecb:<\/h2>\n

C\u1ea7n ti\u1ebfp t\u1ee5c qu\u1ea3n l\u00fd, theo d\u00f5i, thu th\u1eadp s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ea7y \u0111\u1ee7 h\u01a1n v\u00e0 b\u1ed5 sung h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh g\u1ed7 nguy\u00ean li\u1ec7u t\u1ea1i t\u1ec9nh Qu\u1ea3ng Tr\u1ecb \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

I. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0 Theo Chi\u1ebfn l\u01b0\u1ee3c ph\u00e1t tri\u1ec3n l\u00e2m nghi\u1ec7p t\u1ec9nh Qu\u1ea3ng Tr\u1ecb giai \u0111o\u1ea1n 2005 – 2010 th\u00ec t\u00e0i nguy\u00ean \u0111\u1ea5t tr\u1ed1ng n\u00fai tr\u1ecdc c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t tri\u1ec3n l\u00e2m nghi\u1ec7p c\u1ee7a T\u1ec9nh Qu\u1ea3ng Tr\u1ecb kh\u00e1 l\u1edbn (kho\u1ea3ng g\u1ea7n 165.000 ha). \u0110\u1ebfn nay vi\u1ec7c khai th\u00e1c t\u00e0i nguy\u00ean r\u1eebng \u1edf Qu\u1ea3ng Tr\u1ecb ch\u01b0a […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13673"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=13673"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13673\/revisions"}],"predecessor-version":[{"id":13675,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13673\/revisions\/13675"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=13673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=13673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=13673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}