{"id":13293,"date":"2014-08-06T10:46:02","date_gmt":"2014-08-06T03:46:02","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=13293"},"modified":"2014-08-01T10:52:32","modified_gmt":"2014-08-01T03:52:32","slug":"bao-cao-tom-tat-de-tai-ung-dung-tien-bo-ky-thuat-xay-dung-mo-hinh-rung-trong-keo-bang-giong-tien-bo-ky-thuat-moi-duoc-cong-nhan-tai-vung-bac-trung-bo","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/bao-cao-tom-tat-de-tai-ung-dung-tien-bo-ky-thuat-xay-dung-mo-hinh-rung-trong-keo-bang-giong-tien-bo-ky-thuat-moi-duoc-cong-nhan-tai-vung-bac-trung-bo\/","title":{"rendered":"B\u00e1o c\u00e1o t\u00f3m t\u1eaft \u0111\u1ec1 t\u00e0i: \u1ee8ng d\u1ee5ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh r\u1eebng tr\u1ed3ng Keo b\u1eb1ng gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt m\u1edbi \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn t\u1ea1i v\u00f9ng B\u1eafc Trung B\u1ed9."},"content":{"rendered":"

Nguy\u1ec5n Xu\u00e2n Ho\u00e0ng<\/em><\/p>\n

\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\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Trung t\u00e2m KHSXLNv\u00f9ng B\u1eafc Trung B\u1ed9<\/em><\/p>\n

\u00a0<\/b>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/b><\/p>\n

 <\/p>\n

C\u00e1c d\u00f2ng Keo l\u00e1 tr\u00e0m\u00a0 Bvlt83, Bvlt84,Bvlt85, AA1, AA9 v\u00e0 c\u00e1c d\u00f2ng Keo lai t\u1ef1 nhi\u00ean AH1, AH7 l\u00e0 gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt m\u1edbi \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn c\u00f3 nhi\u1ec1u \u0111\u1eb7c \u0111i\u1ec3m \u01b0u vi\u1ec7t nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng g\u1ed7 t\u1ed1t, th\u00e2n th\u1eb3ng, \u00edt c\u00e0nh nh\u00e1nh, cho n\u0103ng su\u1ea5t cao, ch\u1ed1ng ch\u1ecbu b\u1ec7nh t\u1ed1t l\u00e0 lo\u00e0i c\u00e2y m\u1ecdc nhanh \u0111\u00e1p \u1ee9ng nhu c\u1ea7u cung c\u1ea5p g\u1ed7, c\u1ee7i, g\u00f3p ph\u1ea7n \u0111\u1ea9y nhanh t\u1ef7 l\u1ec7 che ph\u1ee7 \u0111\u1ea5t tr\u1ed1ng \u0111\u1ed3i n\u00fai tr\u1ecdc; n\u00ean c\u1ea7n \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u, th\u1ef1c nghi\u1ec7m tr\u00ean c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t thu\u1ed9c v\u00f9ng B\u1eafc Trung B\u1ed9.<\/p>\n

Qua vi\u1ec7c x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh nghi\u00ean \u00a0c\u1ee9u, th\u1ef1c \u00a0nghi\u1ec7m c\u1ee7a 5 d\u00f2ng \u00a0Keo l\u00e1 tr\u00e0m (Bvlt83, Bvlt84, Bvlt85, AA1, AA9), 2 d\u00f2ng Keo lai t\u1ef1 nhi\u00ean (AH1,AH7) \u1edf hai ph\u01b0\u01a1ng\u00a0 ph\u00e1p \u00a0l\u00e0m \u0111\u1ea5t kh\u00e1c nhau t\u1ea1i \u0110\u00f4ng H\u00e0 – Qu\u1ea3ng Tr\u1ecb \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3, tuy th\u1eddi gian c\u00f2n ch\u01b0a \u0111\u1ee7 theo y\u00eau c\u1ea7u c\u1ee7a \u0111\u1ec1 t\u00e0i \u0111\u1eb7t ra \u0111\u1ec3 \u0111\u01b0a ra nh\u1eefng nh\u1eadn x\u00e9t x\u00e1c th\u1ef1c, nh\u01b0ng k\u1ebft qu\u1ea3 b\u01b0\u1edbc \u0111\u1ea7u c\u1ee7a \u0111\u1ec1 t\u00e0i s\u1ebd tr\u00ecnh b\u00e0y d\u01b0\u1edbi \u0111\u00e2y c\u0169ng c\u00f3 \u00fd ngh\u0129a nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

N\u1ed8I DUNG V\u00c0 PH\u01af\u01a0NG PH\u00c1P NGHI\u00caN C\u1ee8U<\/b><\/p>\n

    \n
  1. <\/b>\n
      \n
    1. a.\u00a0\u00a0\u00a0\u00a0 <\/b>\u00a0N\u1ed9i dung nghi\u00ean c\u1ee9u:<\/b><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n

      Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t \u0111\u00e0o h\u1ed1 b\u1eb1ng m\u00e1y v\u1edbi k\u00edch th\u01b0\u1edbc 60cm x 60cm x 60cm (CT1) so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t c\u00e0y b\u0103ng k\u1ebft h\u1ee3p c\u00e0y r\u1ea1ch s\u00e2u >40cm (CT2) \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c d\u00f2ng Keo l\u00e1 tr\u00e0m v\u00e0 Keo lai t\u1ef1 nhi\u00ean tham gia x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh.<\/p>\n

        \n
      1. b.\u00a0\u00a0\u00a0\u00a0 <\/b>\u00a0Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u:<\/b><\/li>\n<\/ol>\n

        S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p k\u1ebf th\u1eeba: K\u1ebf th\u1eeba m\u1ed9t s\u1ed1 s\u1ed1 li\u1ec7u v\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c nghi\u00ean c\u1ee9u kh\u00e1c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1eb7c \u0111i\u1ec3m kh\u00ed h\u1eadu v\u00e0 \u0111\u1ea5t \u0111ai t\u1ea1i khu v\u1ef1c x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh nghi\u00ean c\u1ee9u.<\/p>\n

        \u2022 Ph\u01b0\u01a1ng ph\u00e1p b\u1ed1 tr\u00ed th\u00ed nghi\u1ec7m:<\/b><\/p>\n

        M\u00f4 h\u00ecnh A<\/span><\/b>: G\u1ed3m c\u00e1c d\u00f2ng Bvlt83, Bvlt84, Bvlt85. M\u1ed7i d\u00f2ng \u0111\u01b0\u1ee3c tr\u1ed3ng th\u00e0nh m\u1ed9t kh\u1ed1i ri\u00eang bi\u1ec7t c\u00f3 di\u1ec7n t\u00edch 01 ha\/02 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t.<\/p>\n

        – X\u1eed l\u00fd th\u1ef1c b\u00ec\/m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t: Ph\u00e1t to\u00e0n di\u1ec7n.<\/p>\n

        – M\u1eadt \u0111\u1ed9 tr\u1ed3ng\/m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t: 1.650 c\u00e2y\/ha t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u1ef1 ly 3m x 2m.<\/p>\n

        – Ph\u00e2n b\u00f3n\/m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t: B\u00f3n l\u00f3t 200 gam vi sinh + 100 gam NPK v\u00e0 b\u00f3n th\u00fac v\u00e0o n\u0103m th\u1ee9 2: 200 gam vi sinh + 200gam NPK.<\/p>\n

        – Gi\u1ed1ng tr\u1ed3ng\/m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t: Tr\u1ed3ng b\u1eb1ng c\u00e2y con t\u1ea1o t\u1eeb hom c\u1ee7a c\u00e1c d\u00f2ng\u00a0 Bvlt83, Bvlt84, Bvlt85.<\/p>\n

        – Th\u1eddi v\u1ee5 tr\u1ed3ng: Th\u00e1ng 12 n\u0103m 2007.<\/p>\n

        –\u00a0 Ph\u00e1t ch\u0103m s\u00f3c 2 l\u1ea7n, vun g\u1ed1c 2 l\u1ea7n\/m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0 M\u00f4 h\u00ecnh B<\/span><\/b>: G\u1ed3m c\u00e1c d\u00f2ng\u00a0 AA1, AA9 v\u00e0 AH1, AH7. M\u1ed7i d\u00f2ng \u0111\u01b0\u1ee3c tr\u1ed3ng th\u00e0nh m\u1ed9t kh\u1ed1i ri\u00eang bi\u1ec7t c\u00f3 di\u1ec7n t\u00edch 1,5 ha, (ri\u00eang d\u00f2ng AH1 tr\u1ed3ng v\u1edbi di\u1ec7n t\u00edch 0,5 ha)\/02 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t.<\/p>\n

        – X\u1eed l\u00fd th\u1ef1c b\u00ec\/m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t: Ph\u00e1t to\u00e0n di\u1ec7n.<\/p>\n

        – M\u1eadt \u0111\u1ed9 tr\u1ed3ng\/m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t: 1.650 c\u00e2y\/ha t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u1ef1 ly 3m x 2m.<\/p>\n

        – Ph\u00e2n b\u00f3n\/m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t: B\u00f3n l\u00f3t 200 gam vi sinh + 100 gam NPK v\u00e0 b\u00f3n th\u00fac v\u00e0o n\u0103m th\u1ee9 2: 200 gam vi sinh + 200gam NPK.<\/p>\n

        – Gi\u1ed1ng tr\u1ed3ng\/m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t: Tr\u1ed3ng b\u1eb1ng c\u00e2y con t\u1ea1o t\u1eeb hom c\u1ee7a c\u00e1c d\u00f2ng\u00a0 AA1, AA9 v\u00e0 AH1, AH7.<\/p>\n

        – Th\u1eddi v\u1ee5 tr\u1ed3ng: Th\u00e1ng 12 n\u0103m 2008.<\/p>\n

        –\u00a0 Ph\u00e1t ch\u0103m s\u00f3c 2 l\u1ea7n, vun g\u1ed1c 2 l\u1ea7n\/m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t.<\/p>\n

        \u2022 Ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp s\u1ed1 li\u1ec7u:<\/b><\/p>\n

        S\u1ed1 li\u1ec7u sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh 1,3 m (cm), chi\u1ec1u cao v\u00fat ng\u1ecdn (m) thu th\u1eadp m\u1ed7i n\u0103m 01 l\u1ea7n.<\/p>\n

        \u2022 Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd s\u1ed1 li\u1ec7u:<\/b><\/p>\n

        – S\u1eed d\u1ee5ng th\u1ed1ng k\u00ea to\u00e1n h\u1ecdc trong l\u00e2m nghi\u1ec7p v\u00e0 s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m SPSS 13.0 \u0111\u1ec3 x\u1eed l\u00fd s\u1ed1 li\u1ec7u v\u00e0 \u0111\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u (so s\u00e1nh c\u00e1c ch\u1ec9 ti\u00eau v\u1ec1: \u0110\u01b0\u1eddng k\u00ednh (D1,3 <\/sub>m); Chi\u1ec1u cao v\u00fat ng\u1ecdn (Hvn <\/sub>); Th\u1ec3 t\u00edch (V), \u0111\u1ec3 ki\u1ec3m tra s\u1ef1 sai kh\u00e1c v\u1ec1 sinh tr\u01b0\u1edfng chi\u1ec1u cao, \u0111\u01b0\u1eddng k\u00ednh, tr\u1eef l\u01b0\u1ee3ng c\u1ee7a c\u00e1c d\u00f2ng keo\/02 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t).<\/p>\n

        – Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 \u00a0hi\u1ec7u qu\u1ea3 kinh t\u1ebf:<\/p>\n

        \"anova1\"<\/a><\/p>\n

        3.\u00a0\u00a0\u00a0 <\/b>K\u1ebeT QU\u1ea2 NGHI\u00caN C\u1ee8U V\u00c0 TH\u1ea2O LU\u1eacN:<\/b><\/p>\n

        3.1.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/b>\u0110\u1eb7c \u0111i\u1ec3m kh\u00ed h\u1eadu v\u00e0 \u0111\u1ea5t \u0111ai:<\/b><\/p>\n

        \u2022 \u0110\u1eb7c \u0111i\u1ec3m kh\u00ed h\u1eadu:<\/b><\/p>\n

        Qu\u1ea3ng Tr\u1ecb \u00a0l\u00e0 t\u1ec9nh n\u1eb1m trong\u00a0 khu v\u1ef1c c\u00f3 kh\u00ed h\u1eadu nhi\u1ec7t \u0111\u1edbi gi\u00f3 m\u00f9a, trong n\u0103m c\u00f3 hai m\u00f9a r\u00f5 r\u1ec7t.<\/p>\n

        M\u00f9a kh\u00f4:\u00a0 T\u1eeb th\u00e1ng 3 \u0111\u1ebfn th\u00e1ng 8, c\u00f3 gi\u00f3 T\u00e2y nam th\u1ed5i m\u1ea1nh v\u00e0 kh\u00f4 n\u00f3ng; cao \u0111i\u1ec3m l\u00e0 th\u00e1ng 5 th\u00e1ng \u00a06 v\u00e0 c\u00f3 gi\u00f3 c\u1ea5p 5, c\u1ea5p 6.<\/p>\n

        M\u00f9a m\u01b0a: T\u1eeb th\u00e1ng 9 \u0111\u1ebfn th\u00e1ng 2 n\u0103m sau, m\u01b0a l\u1edbn th\u01b0\u1eddng t\u1eadp trung v\u00e0o th\u00e1ng 10 \u0111\u1ebfn th\u00e1ng 11 h\u00e0ng n\u0103m n\u00ean th\u01b0\u1eddng g\u00e2y ra l\u0169 l\u1ee5t \u1edf nh\u1eefng th\u00e1ng n\u00e0y, l\u01b0\u1ee3ng m\u01b0a b\u00ecnh qu\u00e2n t\u1eeb 2.200 – 2.400mm\/n\u0103m.<\/p>\n

        – Nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n n\u0103m : 22,40<\/sup>C<\/p>\n

        – Nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n th\u00e1ng n\u00f3ng nh\u1ea5t: 260 <\/sup>C<\/p>\n

        – Nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n th\u00e1ng l\u1ea1nh nh\u1ea5t: 160 <\/sup>C<\/p>\n

        – Nhi\u1ec7t \u0111\u1ed9 cao tuy\u1ec7t \u0111\u1ed1i: 410<\/sup>C<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/sub>– Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p tuy\u1ec7t \u00a0\u0111\u1ed1i: 100<\/sup>C<\/p>\n

        – \u0110\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed b\u00ecnh qu\u00e2n n\u0103m: 80%<\/p>\n

        \u2022 \u0110\u1eb7c \u0111i\u1ec3m \u0111\u1ea5t \u0111ai:<\/b><\/p>\n

        \u0110\u1ea5t \u1edf khu v\u1ef1c x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh nghi\u00ean c\u1ee9u l\u00e0 \u0111\u1ea5t feralit v\u00e0ng \u0111\u1ecf ph\u00e1t tri\u1ec3n tr\u00ean \u0111\u00e1 phi\u1ebfn th\u1ea1ch s\u00e9t, t\u1ea7ng \u0111\u1ea5t m\u1eb7t m\u1ecfng (t\u1eeb 10- 40cm), kh\u00f4 c\u1eb1n, \u00edt m\u00f9n, \u0111\u1ed9 ph\u00ec \u0111\u1ea5t k\u00e9m, t\u1ef7 l\u1ec7 \u0111\u00e1 l\u1eabn chi\u1ebfm 20-25%, \u0111\u1ea5t chua (pH 4-5), c\u00f3 \u0111\u1ed9 \u0111\u1ed1c <100<\/sup>, th\u1ef1c b\u00ec ch\u1ee7 y\u1ebfu l\u00e0 c\u00e2y b\u1ee5i nh\u1ecf t\u00e1i sinh sau khai th\u00e1c r\u1eebng B\u1ea1ch \u0111\u00e0n v\u00e0 r\u1eebng \u00a0Keo.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0 3.2. \u1ea2nh h\u01b0\u1edfng c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c d\u00f2ng keo tham gia x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh nghi\u00ean c\u1ee9u.<\/b><\/p>\n

        Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t kh\u00f4ng nh\u1eefng l\u00e0 m\u1ed9t ch\u1ec9 ti\u00eau kinh t\u1ebf \u1ea3nh h\u01b0\u1edfng t\u1edbi su\u1ea5t \u0111\u1ea7u t\u01b0 m\u00e0 c\u00f2n l\u00e0 m\u1ed9t ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt quan tr\u1ecdng n\u00f3 \u1ea3nh h\u01b0\u1edfng\u00a0 \u0111\u1ebfn n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng\u00a0 r\u1eebng tr\u1ed3ng. \u00a0Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea1t n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng\u00a0 cao nh\u1ea5t,\u00a0 nh\u01b0ng\u00a0 l\u1ea1i c\u00f3 chi ph\u00ed\u00a0 ph\u00f9 h\u1ee3p? \u0110\u00e2y v\u1eabn l\u00e0 c\u00e2u h\u1ecfi ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p th\u00edch \u0111\u00e1ng. Xu\u1ea5t ph\u00e1t t\u1eeb y\u00eau c\u1ea7u th\u1ef1c t\u1ebf, \u0111\u1ec1 t\u00e0i \u0111\u00e3 ti\u1ebfn h\u00e0nh b\u1ed1 tr\u00ed th\u00ed nghi\u1ec7m tr\u1ed3ng c\u00e1c d\u00f2ng keo l\u00e0 gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt m\u1edbi\u00a0 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn \u1edf hai ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t tr\u00ean di\u1ec7n t\u00edch 8 ha t\u1ea1i \u0110\u00f4ng H\u00e0 – Qu\u1ea3ng Tr\u1ecb.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0 B\u1ea3ng 3.1. \u1ea2nh h\u01b0\u1edfng c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c d\u00f2ng keo sau 3 n\u0103m tu\u1ed5i (M\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m A tr\u1ed3ng th\u00e1ng 12\/2007, thu th\u1eadp s\u1ed1 li\u1ec7u th\u00e1ng 12\/2010)<\/b><\/p>\n

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

        \n\n\n\n\n\n\n\n
        \n

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

        		\n

        D\u00f2ng<\/b><\/p>\n<\/td>\n

        		\n

        D 1.3 tb (cm)<\/b><\/p>\n<\/td>\n

        		\n

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

        		\n

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

        		\n

        Hvn tb (cm)<\/b><\/p>\n<\/td>\n

        		\n

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

        		\n

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

        		\n

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

        		\n

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

        		\n

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

        \n

        \u0110\u00e0o h\u1ed1 b\u1eb1ng m\u00e1y<\/b><\/p>\n<\/td>\n

        		\n

        C\u00e0y r\u1ea1ch, cu\u1ed1c h\u1ed1<\/b><\/p>\n<\/td>\n

        		\n

        \u0110\u00e0o h\u1ed1 b\u1eb1ng m\u00e1y<\/b><\/p>\n<\/td>\n

        		\n

        C\u00e0y b\u0103ng k\u1ebft h\u1ee3p c\u00e0y r\u1ea1ch<\/b><\/p>\n<\/td>\n

        		\n

        \u0110\u00e0o h\u1ed1 b\u1eb1ng m\u00e1y<\/b><\/p>\n<\/td>\n

        		\n

        C\u00e0y b\u0103ng k\u1ebft h\u1ee3p c\u00e0y r\u1ea1ch<\/b><\/p>\n<\/td>\n<\/tr>\n

        \n

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

        		\n

        BVlt83<\/p>\n<\/td>\n

        		\n

        6,43<\/p>\n<\/td>\n

        		\n

        6,05<\/p>\n<\/td>\n

        		\n

        1,272<\/p>\n<\/td>\n

        		\n

        0,2621<\/p>\n<\/td>\n

        		\n

        6,91<\/p>\n<\/td>\n

        		\n

        5,64<\/p>\n<\/td>\n

        		\n

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

        		\n

        0,0215<\/p>\n<\/td>\n

        		\n

        0,0114<\/p>\n<\/td>\n

        		\n

        0,0083<\/p>\n<\/td>\n

        		\n

        4,1260<\/p>\n<\/td>\n

        		\n

        0,0449<\/p>\n<\/td>\n<\/tr>\n

        \n

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

        		\n

        BVlt84<\/p>\n<\/td>\n

        		\n

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

        		\n

        5,87<\/p>\n<\/td>\n

        		\n

        0,156<\/p>\n<\/td>\n

        		\n

        0,6933<\/p>\n<\/td>\n

        		\n

        6,92<\/p>\n<\/td>\n

        		\n

        5,63<\/p>\n<\/td>\n

        		\n

        0,002<\/p>\n<\/td>\n

        		\n

        0,9686<\/p>\n<\/td>\n

        		\n

        0,0130<\/p>\n<\/td>\n

        		\n

        0,0080<\/p>\n<\/td>\n

        		\n

        4,1919<\/p>\n<\/td>\n

        		\n

        0,0433<\/p>\n<\/td>\n<\/tr>\n

        \n

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

        		\n

        BVlt85<\/p>\n<\/td>\n

        		\n

        6,45<\/p>\n<\/td>\n

        		\n

        5,64<\/p>\n<\/td>\n

        		\n

        0,083<\/p>\n<\/td>\n

        		\n

        0,7737<\/p>\n<\/td>\n

        		\n

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

        		\n

        5,7<\/p>\n<\/td>\n

        		\n

        15,33<\/p>\n<\/td>\n

        		\n

        0,0002<\/p>\n<\/td>\n

        		\n

        0,0109<\/p>\n<\/td>\n

        		\n

        0,0074<\/p>\n<\/td>\n

        		\n

        2,7951<\/p>\n<\/td>\n

        		\n

        0,0977<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        S\u1ed1 li\u1ec7u \u1edf b\u1ea3ng 3.1 cho th\u1ea5y c\u1ea3 3 d\u00f2ng Keo l\u00e1 tr\u00e0m tr\u1ed3ng \u1edf hai ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t ch\u01b0a c\u00f3 s\u1ef1 \u00a0kh\u00e1c nhau v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh (Ft < F\u00ad05<\/sub>). V\u1ec1 chi\u1ec1u cao 2 d\u00f2ng Bvlt 83, Bvlt 85 tr\u1ed3ng \u1edf ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t \u0111\u00e0o h\u1ed1 b\u1eb1ng m\u00e1y v\u1edbi k\u00edch th\u01b0\u1edbc 60cm\u00a0 x 60cm x 60cm (CT1) \u0111\u00e3 c\u00f3 s\u1ef1 kh\u00e1c nhau so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t c\u00e0y b\u0103ng k\u1ebft h\u1ee3p c\u00e0y r\u1ea1ch s\u00e2u >40cm (CT2), Ftt >F05, <\/sub>c\u00f2n d\u00f2ng Bvlt84 ch\u01b0a c\u00f3 s\u1ef1 kh\u00e1c nhau (Ftt<F05<\/sub>). \u00a0V\u1ec1 th\u1ec3 t\u00edch c\u00f3 2 d\u00f2ng Bvlt83, BVlt 84 c\u00f3 s\u1ef1 sai kh\u00e1c gi\u1eefa 2 c\u00f4ng th\u1ee9c l\u00e0m \u0111\u1ea5t, Ft > F 05<\/sub>.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0 B\u1ea3ng 3.2. \u1ea2nh h\u01b0\u1edfng c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c d\u00f2ng keo sau 2 n\u0103m tu\u1ed5i (M\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m B tr\u1ed3ng th\u00e1ng 12\/2008, thu th\u1eadp s\u1ed1 li\u1ec7u th\u00e1ng 12\/2010)<\/b><\/p>\n

        \n\n\n\n\n\n\n\n\n
        \n

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

        		\n

        D\u00f2ng<\/b><\/p>\n<\/td>\n

        		\n

        D 1.3 tb (cm)<\/b><\/p>\n<\/td>\n

        		\n

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

        		\n

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

        		\n

        Hvn tb (cm)<\/b><\/p>\n<\/td>\n

        		\n

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

        		\n

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

        		\n

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

        		\n

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

        		\n

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

        \n

        \u0110\u00e0o h\u1ed1 b\u1eb1ng m\u00e1y<\/b><\/p>\n<\/td>\n

        		\n

        C\u00e0y r\u1ea1ch, cu\u1ed1c h\u1ed1<\/b><\/p>\n<\/td>\n

        		\n

        \u0110\u00e0o h\u1ed1 b\u1eb1ng m\u00e1y<\/b><\/p>\n<\/td>\n

        		\n

        C\u00e0y b\u0103ng k\u1ebft h\u1ee3p c\u00e0y r\u1ea1ch<\/b><\/p>\n<\/td>\n

        		\n

        \u0110\u00e0o h\u1ed1 b\u1eb1ng m\u00e1y<\/b><\/p>\n<\/td>\n

        		\n

        C\u00e0y b\u0103ng k\u1ebft h\u1ee3p c\u00e0y r\u1ea1ch<\/b><\/p>\n<\/td>\n<\/tr>\n

        \n

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

        		\n

        AA9<\/p>\n<\/td>\n

        		\n

        5,65<\/p>\n<\/td>\n

        		\n

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

        		\n

        0,843<\/p>\n<\/td>\n

        		\n

        0,3623<\/p>\n<\/td>\n

        		\n

        5,01<\/p>\n<\/td>\n

        		\n

        4,17<\/p>\n<\/td>\n

        		\n

        3,288<\/p>\n<\/td>\n

        		\n

        0,0750<\/p>\n<\/td>\n

        		\n

        0,0065<\/p>\n<\/td>\n

        		\n

        0,0045<\/p>\n<\/td>\n

        		\n

        0,414<\/p>\n<\/td>\n

        		\n

        0,5226<\/p>\n<\/td>\n<\/tr>\n

        \n

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

        		\n

        AA1<\/p>\n<\/td>\n

        		\n

        5,95<\/p>\n<\/td>\n

        		\n

        5,37<\/p>\n<\/td>\n

        		\n

        1,027<\/p>\n<\/td>\n

        		\n

        0,3151<\/p>\n<\/td>\n

        		\n

        5,07<\/p>\n<\/td>\n

        		\n

        4,67<\/p>\n<\/td>\n

        		\n

        0,999<\/p>\n<\/td>\n

        		\n

        0,3218<\/p>\n<\/td>\n

        		\n

        0,0072<\/p>\n<\/td>\n

        		\n

        0,0056<\/p>\n<\/td>\n

        		\n

        0,119<\/p>\n<\/td>\n

        		\n

        0,7320<\/p>\n<\/td>\n<\/tr>\n

        \n

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

        		\n

        AH7<\/p>\n<\/td>\n

        		\n

        7,04<\/p>\n<\/td>\n

        		\n

        6,56<\/p>\n<\/td>\n

        		\n

        0,009<\/p>\n<\/td>\n

        		\n

        0,9226<\/p>\n<\/td>\n

        		\n

        6,04<\/p>\n<\/td>\n

        		\n

        5,84<\/p>\n<\/td>\n

        		\n

        4,472<\/p>\n<\/td>\n

        		\n

        0,0388<\/p>\n<\/td>\n

        		\n

        0,0122<\/p>\n<\/td>\n

        		\n

        0,0102<\/p>\n<\/td>\n

        		\n

        1,071<\/p>\n<\/td>\n

        		\n

        0,3051<\/p>\n<\/td>\n<\/tr>\n

        \n

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

        		\n

        AH1<\/p>\n<\/td>\n

        		\n

        6,99<\/p>\n<\/td>\n

        		\n

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

        		\n

        5,194<\/p>\n<\/td>\n

        		\n

        0,0264<\/p>\n<\/td>\n

        		\n

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

        		\n

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

        		\n

        1,411<\/p>\n<\/td>\n

        		\n

        0,2397<\/p>\n<\/td>\n

        		\n

        0,0130<\/p>\n<\/td>\n

        		\n

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

        		\n

        9,580<\/p>\n<\/td>\n

        		\n

        0,0030<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

         <\/p>\n

        S\u1ed1 li\u1ec7u \u1edf b\u1ea3ng 3.2 cho th\u1ea5y 03 d\u00f2ng AA9, AA1, AH7 ch\u01b0a c\u00f3 s\u1ef1 \u00a0kh\u00e1c nhau (Ft< F05 <\/sub>), ch\u1ec9 c\u00f3 d\u00f2ng AH1 \u0111\u00e3 c\u00f3 s\u1ef1 kh\u00e1c nhau \u00a0kh\u00e1 r\u00f5 r\u1ec7t v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh gi\u1eefa 2 c\u00f4ng th\u1ee9c l\u00e0m \u0111\u1ea5t (Ft > F05<\/sub>). D\u00f2ng AH7 \u0111\u00e3 c\u00f3 s\u1ef1 sai kh\u00e1c v\u1ec1 chi\u1ec1u cao gi\u1eefa 2 c\u00f4ng th\u1ee9c l\u00e0m \u0111\u1ea5t (Ft >F05<\/sub>). X\u00e9t v\u1ec1 th\u1ec3 t\u00edch th\u00ec d\u00f2ng AH1 c\u00f3 s\u1ef1 sai kh\u00e1c kh\u00e1 r\u00f5 r\u1ec7t tr\u00ean 2 c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m (Ft > F05<\/sub>).<\/p>\n

        3.3. So s\u00e1nh sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao gi\u1eefa c\u00e1c d\u00f2ng tr\u00ean m\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m<\/b><\/p>\n

        – S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai 1 nh\u00e2n t\u1ed1 b\u1eb1ng ph\u1ea7n m\u1ec1m SPSS 13.0. K\u1ebft qu\u1ea3 nh\u01b0 sau:<\/p>\n

        3.3.1. M\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m tr\u1ed3ng n\u0103m 2007 v\u1edbi 3 d\u00f2ng: BVlt 83, Bvlt 84, BVlt 85<\/p>\n

        B\u1ea3ng 3.3: K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai 1 nh\u00e2n t\u1ed1 (m\u00f4 h\u00ecnh tr\u1ed3ng 2007)<\/b><\/p>\n

        \"anova2\"<\/a><\/p>\n

        – K\u1ebft qu\u1ea3 ki\u1ec3m tra s\u1ef1 b\u1eb1ng nhau c\u1ee7a ph\u01b0\u01a1ng sai c\u1ea3 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao: Sig > 0,05 ch\u1ee9ng t\u1ecf ch\u01b0a c\u00f3 s\u1ef1 sai kh\u00e1c v\u1ec1 sinh tr\u01b0\u1edfng \u0111\u1ed1i v\u1edbi \u0111\u01b0\u1eddng k\u00ednh D1.3<\/sub> v\u00e0 chi\u1ec1u cao v\u00fat ng\u1ecdn (Hvn) c\u1ee7a 3 d\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n

        3.3.2. M\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m tr\u1ed3ng n\u0103m 2008 v\u1edbi 4 d\u00f2ng (2 d\u00f2ng Keo lai t\u1ef1 nhi\u00ean v\u00e0 2 d\u00f2ng Keo l\u00e1 tr\u00e0m)<\/p>\n

        B\u1ea3ng 3.4: K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai 1 nh\u00e2n t\u1ed1 (m\u00f4 h\u00ecnh tr\u1ed3ng 2008)<\/b><\/p>\n

        \"anova3\"<\/a><\/p>\n

        K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai cho th\u1ea5y x\u00e1c su\u1ea5t c\u1ee7a F c\u1ea3 \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u cao \u0111\u1ec1u nh\u1ecf h\u01a1n 0,05 ch\u1ee9ng t\u1ecf sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao \u1edf m\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m c\u00f3 s\u1ef1 sai kh\u00e1c r\u00f5 r\u1ec7t.<\/p>\n

        Theo s\u1ed1 li\u1ec7u t\u00ednh to\u00e1n v\u1ec1 sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao: D\u00f2ng AH1 c\u00f3 sinh tr\u01b0\u1edfng t\u1ed1t nh\u1ea5t, v\u1edbi \u0111\u01b0\u1eddng k\u00ednh l\u00e0: 7 cm; chi\u1ec1u cao 6,33 m; ti\u1ebfp \u0111\u00f3 l\u00e0 c\u00e1c d\u00f2ng: AH7, AA1, AA9. Sinh tr\u01b0\u1edfng 2 d\u00f2ng Keo lai t\u1ed1t h\u01a1n sinh tr\u01b0\u1edfng 2 d\u00f2ng Keo l\u00e1 tr\u00e0m.<\/p>\n

          \n
        1. 3.\u00a0\u00a0\u00a0 <\/b>K\u1ebeT LU\u1eacN V\u00c0 KI\u1ebeN NGH\u1eca<\/b><\/li>\n<\/ol>\n

          4.1.K\u1ebft lu\u1eadn<\/b><\/p>\n

          T\u1eeb c\u00e1c k\u1ebft qu\u1ea3 \u00a0ph\u00e2n t\u00edch tr\u00ean \u0111\u00e2y c\u00f3 th\u1ec3 r\u00fat ra m\u1ed9t s\u1ed1 k\u1ebft lu\u1eadn ban \u0111\u1ea7u nh\u01b0 sau:<\/p>\n

          – Sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c d\u00f2ng Keo l\u00e1 tr\u00e0m sau 3 n\u0103m tu\u1ed5i cho th\u1ea5y: 2 d\u00f2ng Bvlt 83, Bvlt 84 tr\u1ed3ng tr\u00ean 2 ph\u01b0\u01a1ng th\u1ee9c l\u00e0m \u0111\u1ea5t (CT1 v\u00e0 CT2) c\u00f3 s\u1ef1 sai kh\u00e1c v\u1ec1 th\u1ec3 t\u00edch. Trong \u0111\u00f3 2 d\u00f2ng Bvlt83, Bvlt 84 tr\u1ed3ng tr\u00ean ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t (CT1) cho th\u1ec3 t\u00edch b\u00ecnh qu\u00e2n cao h\u01a1n tr\u1ed3ng tr\u00ean ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t (CT2) v\u00e0 d\u00f2ng Bvlt84 tr\u1ed3ng \u1edf (CT1) cho th\u1ec3 t\u00edch cao nh\u1ea5t (0,013 m3<\/sup>\/c\u00e2y).<\/p>\n

          – Sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c d\u00f2ng keo sau 2 n\u0103m tu\u1ed5i cho th\u1ea5y 3 d\u00f2ng AA9, AA1, AH7 ch\u01b0a c\u00f3 s\u1ef1 sai kh\u00e1c v\u1ec1 th\u1ec3 t\u00edch tr\u00ean 2 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t. Ri\u00eang d\u00f2ng AH1 c\u00f3 s\u1ef1 sai kh\u00e1c r\u00f5 r\u1ec7t v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh, th\u1ec3 t\u00edch tr\u00ean 2 c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m. Th\u1ec3 t\u00edch b\u00ecnh qu\u00e2n tr\u00ean c\u00e2y c\u1ee7a d\u00f2ng AH1 tr\u1ed3ng \u1edf c\u00f4ng th\u1ee9c (CT1) l\u00e0 l\u1edbn nh\u1ea5t (0,0130 m3<\/sup>\/c\u00e2y).<\/p>\n

          – Sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao c\u1ee7a 4 d\u00f2ng th\u00ed nghi\u1ec7m trong m\u00f4 h\u00ecnh tr\u1ed3ng n\u0103m 2008 c\u00f3 s\u1ef1 sai kh\u00e1c r\u00f5 r\u1ec7t. D\u00f2ng AH1 c\u00f3 sinh tr\u01b0\u1edfng t\u1ed1t nh\u1ea5t, v\u1edbi \u0111\u01b0\u1eddng k\u00ednh b\u00ecnh qu\u00e2n l\u00e0: 7 cm; chi\u1ec1u cao b\u00ecnh qu\u00e2n 6,33 m; ti\u1ebfp \u0111\u00f3 l\u00e0 c\u00e1c d\u00f2ng: AH7, AA1, AA9.<\/p>\n

          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4.2.Ki\u1ebfn ngh\u1ecb:<\/b><\/p>\n

          – Ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u s\u1ef1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c d\u00f2ng Keo tham gia x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh nghi\u00ean c\u1ee9u \u1edf 02 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t. \u0110\u1ed3ng th\u1eddi \u00a0ti\u1ebfp t\u1ee5c theo d\u00f5i thu th\u1eadp s\u1ed1 li\u1ec7u \u0111\u1ebfn h\u1ebft th\u1eddi h\u1ea1n th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i.<\/p>\n

          – Hi\u1ec7u qu\u1ea3 kinh t\u1ebf c\u1ee7a c\u00e1c d\u00f2ng keo tham gia x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh \u1edf 2 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u1ea5t \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n v\u00e0 so s\u00e1nh t\u1ea1i b\u00e1o c\u00e1o t\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i.<\/p>\n

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

          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5<\/b>.\u00a0 T\u00c0I LI\u1ec6U THAM KH\u1ea2O<\/b><\/p>\n

           <\/p>\n

          1.V\u0169 Ti\u1ebfn Hinh, Ph\u1ea1m Ng\u1ecdc Giao (1997), Gi\u00e1o tr\u00ecnh \u0110i\u1ec1u tra Quy ho\u1ea1ch r\u1eebng, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/p>\n

          2. L\u00ea \u0110\u00ecnh Kh\u1ea3 (1996), Nghi\u00ean c\u1ee9u x\u00e2y d\u1ef1ng c\u01a1 s\u1edf khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 cho vi\u1ec7c cung c\u1ea5p ngu\u1ed3n gi\u1ed1ng c\u00e2y r\u1eebng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, B\u00e1o c\u00e1o khoa h\u1ecdc, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t nam.<\/p>\n

          3. L\u00ea \u0110\u00ecnh Kh\u1ea3 v\u00e0 c\u1ed9ng s\u1ef1 (2003), Ch\u1ecdn t\u1ea1o gi\u1ed1ng v\u00e0 nh\u00e2n gi\u1ed1ng cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u1ee7 y\u1ebfu \u1edf Vi\u1ec7t Nam, Nh\u00e0 xu\u1ea5t b\u1ea3n N\u00f4ng nghi\u1ec7p<\/p>\n

          4. Nguy\u1ec5n H\u1ea3i Tu\u1ea5t (1982), Gi\u00e1o tr\u00ecnh Th\u1ed1ng k\u00ea to\u00e1n h\u1ecdc trong L\u00e2m nghi\u1ec7p, Nh\u00e0 xu\u1ea5t b\u1ea3n N\u00f4ng nghi\u1ec7p.<\/p>\n

          5. H\u00e0 Huy Th\u1ecbnh, L\u00ea \u0110\u00ecnh Kh\u1ea3, Nguy\u1ec5n \u0110\u1ee9c Ki\u00ean, Ph\u00ed H\u1ed3ng H\u1ea3i, \u0110o\u00e0n Th\u1ecb Mai, Tr\u1ea7n H\u1ed3 Quang.\u00a0 Nghi\u00ean c\u1ee9u ch\u1ecdn t\u1ea1o gi\u1ed1ng c\u00f3 n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cao cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u1ee7 y\u1ebfu giai \u0111o\u1ea1n 2001-2005, B\u00e1o c\u00e1o t\u1ea1i H\u1ed9i ngh\u1ecb Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p ph\u00eda B\u1eafc, n\u0103m 2009.<\/p>\n

          6. Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a (1997), K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc v\u1ec1 ch\u1ecdn gi\u1ed1ng c\u00e2y r\u1eebng, B\u00e1o c\u00e1o khoa h\u1ecdc, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/p>\n

          7. Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a, Ph\u1ea1m Quang Thu, Nguy\u1ec5n V\u0103n Chi\u1ebfn, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam. Nghi\u00ean c\u1ee9u ch\u1ecdn c\u00e1c d\u00f2ng Keo v\u00e0 B\u1ea1ch \u0111\u00e0n ch\u1ed1ng ch\u1ecbu b\u1ec7nh c\u00f3 n\u0103ng su\u1ea5t cao ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng kinh t\u1ebf, B\u00e1o c\u00e1o t\u1ea1i H\u1ed9i ngh\u1ecb Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p ph\u00eda B\u1eafc, n\u0103m 2009.<\/p>\n

          8.\u00a0 Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a, Ph\u00e1t tri\u1ec3n c\u00e1c lo\u00e0i Keo ACACIA \u1edf Vi\u1ec7t Nam; Nh\u00e0 xu\u1ea5t b\u1ea3n N\u00f4ng nghi\u1ec7p, n\u0103m 2003.<\/p>\n

          9.\u00a0 Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a, 1991. Nh\u00e2n gi\u1ed1ng v\u00f4 t\u00ednh v\u00e0 tr\u1ed3ng r\u1eebng d\u00f2ng v\u00f4 t\u00ednh (t\u1ed5ng lu\u1eadn). B\u1ed9 L\u00e2m nghi\u1ec7p.<\/p>\n

          10. Nguy\u1ec5n Huy S\u01a1n, 2004. K\u1ebft qu\u1ea3 b\u01b0\u1edbc \u0111\u1ea7u tr\u1ed3ng r\u1eebng th\u00e2m canh Keo lai \u1edf Cam L\u1ed9 – Qu\u1ea3ng Tr\u1ecb (H\u1ed9i ngh\u1ecb KHKT L\u00e2m nghi\u1ec7p v\u00f9ng B\u1eafc Trung B\u1ed9).<\/p>\n","protected":false},"excerpt":{"rendered":"

          Nguy\u1ec5n Xu\u00e2n Ho\u00e0ng \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\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Trung t\u00e2m KHSXLNv\u00f9ng B\u1eafc Trung B\u1ed9 \u00a0\u0110\u1eb6T V\u1ea4N \u0110\u1ec0   C\u00e1c d\u00f2ng Keo l\u00e1 tr\u00e0m\u00a0 Bvlt83, Bvlt84,Bvlt85, AA1, AA9 v\u00e0 c\u00e1c d\u00f2ng Keo lai t\u1ef1 nhi\u00ean AH1, AH7 l\u00e0 gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt m\u1edbi \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn c\u00f3 nhi\u1ec1u \u0111\u1eb7c \u0111i\u1ec3m \u01b0u vi\u1ec7t nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng g\u1ed7 t\u1ed1t, th\u00e2n th\u1eb3ng, […]<\/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\/13293"}],"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=13293"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13293\/revisions"}],"predecessor-version":[{"id":13299,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13293\/revisions\/13299"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=13293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=13293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=13293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}