{"id":13123,"date":"2014-06-25T10:59:32","date_gmt":"2014-06-25T03:59:32","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=13123"},"modified":"2014-06-24T14:42:30","modified_gmt":"2014-06-24T07:42:30","slug":"ky-thuat-trong-keo-la-liem","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ky-thuat-trong-keo-la-liem\/","title":{"rendered":"K\u1ef9 thu\u1eadt tr\u1ed3ng Keo l\u00e1 li\u1ec1m"},"content":{"rendered":"

T\u00ean kh\u00e1c: Keo l\u01b0\u1ee1i li\u1ec1m<\/p>\n

T\u00ean khoa h\u1ecdc: Acacia crassicarpa <\/i>A.Cunn ex Benth\u00a0\u00a0\u00a0\u00a0 <\/i><\/p>\n

H\u1ecd th\u1ef1c v\u1eadt: Trinh n\u1eef (Mimosaceae)<\/p>\n

1. \u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i<\/b><\/p>\n

D\u1ea1ng c\u00e2y b\u1ee5i \u0111\u1ebfn c\u00e2y g\u1ed7 nh\u1ee1, khi s\u1ed1ng trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n l\u1eadp \u0111\u1ecba th\u00edch h\u1ee3p c\u00e2y tr\u1edf th\u00e0nh c\u00e2y g\u1ed7 nh\u1ee1 v\u1edbi chi\u1ec1u cao \u0111\u1ebfn 30m, nh\u01b0ng \u0111\u01b0\u1eddng k\u00ednh \u00edt g\u1eb7p v\u01b0\u1ee3t qu\u00e1 50cm. Tuy nhi\u00ean khi \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf nh\u1eefng n\u01a1i c\u00f3 \u0111i\u1ec1u ki\u1ec7n l\u1eadp \u0111\u1ecba x\u1ea5u nh\u01b0 \u1edf c\u00e1c \u0111\u1ee5n c\u00e1t ven bi\u1ec3n c\u00e2y ch\u1ec9 cao c\u00f3 2-3m ho\u1eb7c 5-6m \u1edf n\u01a1i c\u00f3 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t c\u00e1t kh\u00e1 h\u01a1n.<\/p>\n

Th\u00e2n c\u00e2y th\u01b0\u1eddng th\u1eb3ng, trong \u0111i\u1ec1u ki\u1ec7n tr\u1ed3ng v\u1edbi m\u1eadt \u0111\u1ed9 th\u1ea5p khi \u0111\u00f3 kh\u00f4ng gian dinh d\u01b0\u1ee1ng c\u1ee7a ch\u00fang l\u1edbn, c\u00e2y th\u01b0\u1eddng c\u00f3 nhi\u1ec1u c\u00e0nh nh\u00e1nh c\u00f3 kh\u1ea3 n\u0103ng che ch\u1eafn r\u1ea5t t\u1ed1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi nh\u1eefng n\u01a1i c\u00f3 c\u1ed3n c\u00e1t b\u00e1n c\u1ed1 \u0111\u1ecbnh. V\u1ecf m\u00e0u s\u1eabm hay n\u00e2u x\u00e1m, n\u1ee9t d\u1ecdc.<\/p>\n

\u1ede giai \u0111o\u1ea1n 2-3 th\u00e1ng tu\u1ed5i c\u00f3 l\u00e1 k\u00e9p l\u00f4ng chim g\u1ecdi l\u00e0 l\u00e1 th\u1eadt, sau \u0111\u00f3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng l\u00e1 gi\u1ea3, m\u00e0u xanh l\u1ee5c x\u00e1m, h\u00ecnh l\u01b0\u1ee1i li\u1ec1m ho\u1eb7c h\u00ecnh tr\u0103ng khuy\u1ebft nh\u1eb5n b\u00f3ng. L\u00e1 \u0111\u01a1n d\u00e0i 11-12cm, c\u00f3 chi\u1ec1u r\u1ed9ng 1-4cm, gi\u1ed1ng h\u00ecnh c\u00e1i li\u1ec1m, ch\u00ednh v\u00ec v\u1eady ng\u01b0\u1eddi ta g\u1ecdi l\u00e0 Keo l\u00e1 li\u1ec1m.<\/p>\n

Hoa c\u00f3 5 c\u00e1nh m\u1ecfng, m\u00e0u v\u00e0ng nh\u1ea1t, qu\u1ea3 \u0111\u1eadu khi ch\u00edn kh\u00f4ng xo\u1eafn cong nh\u01b0 qu\u1ea3 Keo l\u00e1 tr\u00e0m hay Keo tai t\u01b0\u1ee3ng. H\u1ea1t c\u1ee9ng m\u00e0u n\u00e2u b\u00f3ng.<\/p>\n

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

2. \u0110\u1eb7c t\u00ednh sinh th\u00e1i<\/b><\/p>\n

Keo l\u00e1 li\u1ec1m c\u00f3 xu\u1ea5t x\u1ee9 t\u1ef1 nhi\u00ean t\u1ea1i v\u00f9ng Irian Jaya c\u1ee7a In\u0111\u00f4n\u00eaxia, Nam Papua Niu Ghin\u00ea v\u00e0 d\u1ecdc b\u1edd bi\u1ec3n T\u00e2y B\u1eafc c\u1ee7a bang Queesland n\u01b0\u1edbc \u00dac, t\u1eeb 8 \u0111\u1ebfn 20 \u0111\u1ed9 v\u0129 Nam. Ph\u00e2n b\u1ed1 ch\u1ee7 y\u1ebfu \u1edf \u0111\u1ed9 cao t\u1eeb 0-200m so v\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n, c\u0169ng th\u1ea5y xu\u1ea5t hi\u1ec7n \u1edf \u0111\u1ed9 cao 700m.<\/p>\n

\u0110i\u1ec1u ki\u1ec7n l\u1eadp \u0111\u1ecba ph\u00f9 h\u1ee3p cho keo l\u00e1 li\u1ec1m l\u00e0 n\u01a1i c\u00f3 kh\u00ed h\u1eadu n\u00f3ng \u1ea9m, v\u1edbi nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n th\u00e1ng cao nh\u1ea5t 31-340<\/sup>C, th\u00e1ng th\u1ea5p nh\u1ea5t 15-220<\/sup>C, c\u00f3 m\u00f9a m\u01b0a k\u00e9o d\u00e0i, ho\u1eb7c m\u01b0a \u0111\u1ec1u v\u00e0o c\u00e1c th\u00e1ng v\u1edbi l\u01b0\u1ee3ng m\u01b0a b\u00ecnh qu\u00e2n n\u0103m l\u00e0 1000-3500mm, c\u0169ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f9a kh\u00f4 k\u00e9o d\u00e0i 6 th\u00e1ng. Tuy nhi\u00ean v\u1edbi nh\u1eefng n\u01a1i c\u00f3 s\u01b0\u01a1ng gi\u00e1 th\u01b0\u1eddng \u1ea3nh h\u01b0\u1edfng m\u1ea1nh \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y. Th\u00edch \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi c\u00e1c lo\u1ea1i \u0111\u1ea5t c\u00f3 \u0111\u1ed9 pH t\u1eeb 4 \u0111\u1ebfn 8 nh\u01b0 \u0111\u1ea5t c\u00e1t, \u0111\u1ea5t \u0111\u1ed3i n\u00fai ph\u00e1t tri\u1ec3n tr\u00ean gran\u00edt, badan, phi\u1ebfn s\u00e9t, ph\u00f9 sa c\u1ed5, \u0111\u1ea5t b\u1ecb x\u00f3i m\u00f2n, \u0111\u1ea5t b\u00e1n ng\u1eadp,….<\/p>\n

\u0110\u1eb7c bi\u1ec7t h\u01a1n so v\u1edbi Keo l\u00e1 tr\u00e0m c\u0169ng nh\u01b0 Keo tai t\u01b0\u1ee3ng, Keo l\u00e1 li\u1ec1m do c\u00f3 ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean d\u1ecdc theo b\u1edd bi\u1ec3n n\u00ean ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c ng\u1eadp m\u1eb7n v\u1edbi n\u1ed3ng \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. C\u00e1c lo\u1ea1i \u0111\u1ea5t h\u1ea7u nh\u01b0 ch\u1ec9 c\u00f3 c\u1ecf m\u1ecdc \u0111\u01b0\u1ee3c nh\u01b0 \u0111\u1ea5t c\u00e1t, \u0111\u1ea5t s\u00e9t g\u01a1l\u00e2y ho\u00e1 Keo l\u00e1 li\u1ec1m v\u1eabn sinh s\u1ed1ng \u0111\u01b0\u1ee3c. Keo l\u00e1 li\u1ec1m c\u00f3 kh\u1ea3 n\u0103ng t\u00e1i sinh h\u1ea1t t\u1ef1 nhi\u00ean kh\u00e1 m\u1ea1nh.<\/p>\n

Keo l\u00e1 li\u1ec1m c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u1eadp tr\u1ed3ng th\u00e0nh c\u00f4ng \u1edf nhi\u1ec1u n\u01b0\u1edbc nh\u01b0 Trung Qu\u1ed1c, Mianma, Th\u00e1i Lan, L\u00e0o. \u1ede n\u01b0\u1edbc ta, Keo l\u00e1 li\u1ec1m c\u0169ng m\u1edbi \u0111\u01b0\u1ee3c nh\u1eadp tr\u1ed3ng th\u1eed v\u00e0o nh\u1eefng n\u0103m 80 c\u1ee7a th\u1ebf k\u1ef7 tr\u01b0\u1edbc v\u00e0 c\u0169ng ch\u01b0a \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n g\u00e2y tr\u1ed3ng \u0111\u1ea1i tr\u00e0 nh\u01b0 Keo l\u00e1 tr\u00e0m v\u00e0 Keo tai t\u01b0\u1ee3ng. Tuy nhi\u00ean c\u0169ng \u0111\u00e3 c\u00f3 kh\u1ea3o nghi\u1ec7m x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1ed9t xu\u1ea5t x\u1ee9 t\u1ed1t v\u00e0 c\u0169ng \u0111\u00e3 c\u00f3 m\u1ed9t s\u1ed1 m\u00f4 h\u00ecnh tr\u1ed3ng r\u1eebng th\u00e0nh c\u00f4ng tr\u00ean \u0111\u1ea5t c\u00e1t ven bi\u1ec3n v\u00e0 \u0111\u1ea5t \u0111\u1ed3i tr\u1ecdc mi\u1ec1n Trung. Keo l\u00e1 li\u1ec1m \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 1 trong s\u1ed1 g\u1ea7n 50 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng s\u1ea3n xu\u1ea5t ch\u1ee7 y\u1ebfu c\u1ee7a m\u1ed9t s\u1ed1 v\u00f9ng sinh th\u00e1i n\u01b0\u1edbc ta.<\/p>\n

3. Gi\u1ed1ng v\u00e0 t\u1ea1o c\u00e2y con<\/b><\/p>\n

H\u1ea1t gi\u1ed1ng Keo l\u00e1 li\u1ec1m ph\u1ea3i \u0111\u01b0\u1ee3c thu h\u00e1i t\u1eeb c\u00e1c c\u00e2y m\u1eb9 trong c\u00e1c r\u1eebng gi\u1ed1ng ho\u1eb7c r\u1eebng gi\u1ed1ng chuy\u1ec3n ho\u00e1 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn. \u01afu ti\u00ean l\u1ea5y gi\u1ed1ng c\u1ee7a c\u00e1c xu\u1ea5t x\u1ee9 Mata, Derideri, Dimisisi \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt \u0111\u1ec3 ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng.<\/p>\n

\u1ede c\u00e1c t\u1ec9nh ph\u00eda B\u1eafc v\u00e0 mi\u1ec1n Trung n\u01b0\u1edbc ta qu\u1ea3 c\u1ee7a Keo l\u00e1 li\u1ec1m ch\u00edn v\u00e0o th\u00e1ng 5-6. Khi quan s\u00e1t th\u1ea5y v\u1ecf qu\u1ea3 b\u1eaft \u0111\u1ea7u chuy\u1ec3n t\u1eeb m\u00e0u xanh v\u00e0ng sang m\u00e0u n\u00e2u ho\u1eb7c n\u00e2u x\u00e1m c\u1ea7n t\u00e1ch h\u1ea1t \u0111\u1ec3 ki\u1ec3m tra v\u00e0 th\u1ea5y h\u1ea1t c\u00f3 m\u00e0u \u0111en th\u00ec thu qu\u1ea3 l\u00e0 ph\u00f9 h\u1ee3p.<\/p>\n

Keo l\u00e1 li\u1ec1m c\u00f3 v\u1ecf qu\u1ea3 r\u1ea5t c\u1ee9ng v\u00e0 ch\u1eafc do v\u1eady khi thu qu\u1ea3 v\u1ec1 n\u1ebfu ch\u01b0a ch\u00edn \u0111\u1ec1u ph\u1ea3i \u1ee7 th\u00e0nh \u0111\u1ed1ng v\u00e0 ph\u01a1i trong 2-3 ng\u00e0y cho qu\u1ea3 ch\u00edn \u0111\u1ec1u. Sau \u0111\u00f3 ti\u1ebfp t\u1ee5c ph\u01a1i qu\u1ea3 trong n\u1eafng nh\u1eb9 cho h\u1ea1t t\u00e1ch ra ho\u1eb7c d\u00f9ng tay t\u00e1ch h\u1ea1t ngay sau khi qu\u1ea3 ch\u00edn \u0111\u1ec1u. C\u1ea7n l\u01b0u \u00fd sau khi t\u00e1ch h\u1ea1t xong c\u1ea7n ph\u1ea3i ti\u1ebfp t\u1ee5c ph\u01a1i h\u1ea1t trong n\u1eafng r\u00e2m 1-2 ng\u00e0y \u0111\u1ec3 gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc trong h\u1ea1t nh\u1eb1m k\u00e9o d\u00e0i th\u1eddi gian c\u1ea5t tr\u1eef h\u1ea1t gi\u1ed1ng. \u0110\u1ed1i v\u1edbi nh\u1eefng n\u01a1i c\u00f3 \u0111i\u1ec1u ki\u1ec7n b\u1ea3o qu\u1ea3n h\u1ea1t trong kho l\u1ea1nh c\u00f3 th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c s\u1ee9c s\u1ed1ng c\u1ee7a h\u1ea1t trong v\u00e0i ba n\u0103m.<\/p>\n

B\u00ecnh qu\u00e2n 4kg qu\u1ea3 cho 1kg h\u1ea1t, sau khi t\u00e1ch kh\u1ecfi qu\u1ea3 v\u00e0 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch th\u00ec 1kg h\u1ea1t s\u1ebd c\u00f3 kho\u1ea3ng 35.000-40.000 h\u1ea1t. X\u1eed l\u00fd h\u1ea1t b\u1eb1ng c\u00e1ch ng\u00e2m trong n\u01b0\u1edbc s\u00f4i 1-2 ph\u00fat v\u00e0 \u0111\u1ec3 ngu\u1ed9i qua \u0111\u00eam, sau \u0111\u00f3 v\u1edbt h\u1ea1t \u0111em r\u1eeda chua r\u1ed3i \u1ee7 trong t\u00fai c\u00f3 th\u1ec3\u00a0 thu \u0111\u01b0\u1ee3c t\u1ef7\u00a0 l\u1ec7 n\u1ea3y m\u1ea7m tr\u00ean 85%.<\/p>\n

Khi h\u1ea1t n\u1ee9t nanh c\u00f3 th\u1ec3 \u0111em gieo tr\u00ean lu\u1ed1ng \u0111\u1ea5t ho\u1eb7c c\u1ea5y tr\u1ef1c ti\u1ebfp v\u00e0o\u00a0 b\u1ea7u. K\u1ef9 thu\u1eadt chu\u1ea9n b\u1ecb \u0111\u1ea5t c\u0169ng nh\u01b0 t\u1ea1o b\u1ea7u, ch\u0103m s\u00f3c, nu\u00f4i d\u01b0\u1ee1ng c\u00e2y con gi\u1ed1ng nh\u01b0 \u0111\u1ed1i v\u1edbi Keo l\u00e1 tr\u00e0m v\u00e0 Keo tai t\u01b0\u1ee3ng. Ti\u00eau chu\u1ea9n c\u00e2y con \u0111em tr\u1ed3ng ph\u1ea3i c\u00f3 chi\u1ec1u cao v\u00fat ng\u1ecdn 40-50 cm, \u0111\u01b0\u1eddng k\u00ednh c\u1ed5 r\u1ec5 0,4-0,5cm, xanh t\u1ed1t, kh\u00f4ng b\u1ecb s\u00e2u b\u1ec7nh hay c\u1ee5t ng\u1ecdn.<\/p>\n

4. Tr\u1ed3ng v\u00e0 ch\u0103m s\u00f3c r\u01b0\u0300ng<\/b><\/p>\n

\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0 <\/b>\u0110i\u1ec1u ki\u1ec7n g\u00e2y tr\u1ed3ng ph\u00f9 h\u1ee3p l\u00e0 tr\u00ean \u0111\u1ea5t c\u00e1t ven bi\u1ec3n, \u0111\u1ea5t \u0111\u1ed3i n\u00fai tr\u1ecdc v\u00f9ng trung du mi\u1ec1n n\u00fai t\u1eeb B\u1eafc v\u00e0o Nam, \u0111\u1ed9 cao d\u01b0\u1edbi 400 \u0111\u1ebfn 500m so v\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n, kh\u00f4ng tr\u1ed3ng tr\u00ean \u0111\u1ea5t ng\u1eadp \u00fang tho\u00e1t n\u01b0\u1edbc k\u00e9m, \u0111\u1ea5t s\u00e9t n\u1eb7ng b\u1ecb g\u01a1l\u00e2y ho\u00e1 m\u1ea1nh.<\/p>\n

Ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng ch\u1ee7 y\u1ebfu l\u00e0 thu\u1ea7n lo\u00e0i, t\u1eadp trung ho\u1eb7c ph\u00e2n t\u00e1n; c\u0169ng c\u00f3 th\u1ec3 tr\u1ed3ng h\u1ed7n lo\u00e0i v\u1edbi m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y nh\u01b0 phi lao, b\u1ea1ch \u0111\u00e0n, th\u00f4ng nh\u1ef1a theo b\u0103ng ho\u1eb7c theo \u0111\u00e1m.<\/p>\n

M\u1eadt \u0111\u1ed9 tr\u1ed3ng 1660 c\u00e2y\/ha, c\u1ef1 li 3mx2m tr\u00ean \u0111\u1ea5t c\u00e1t \u1ea9m \u01b0\u1edbt ho\u1eb7c 2000 c\u00e2y\/ha, c\u1ef1 ly 2x2m tr\u00ean \u0111\u1ea5t \u0111\u1ed3i n\u00fai th\u1ea5p.<\/p>\n

X\u1eed l\u00fd to\u00e0n di\u1ec7n v\u00e0 d\u1ecdn s\u1ea1ch n\u01a1i c\u00f3 th\u1ef1c b\u00ec d\u00e0y r\u1eadm.<\/p>\n

L\u00e0m \u0111\u1ea5t ch\u1ee7 y\u1ebfu l\u00e0 cu\u1ed1c h\u1ed1 th\u1ee7 c\u00f4ng c\u00f3 k\u00edch th\u01b0\u1edbc 40x40x40cm. \u0110\u1ea5t c\u00e1t \u1ea9m ho\u1eb7c b\u00e1n ng\u1eadp ph\u1ea3i l\u00ean l\u00edp \u0111\u00f4i r\u1ed9ng 4m, cao 0,4 m, r\u00e3nh l\u00edp r\u1ed9ng 2m, tr\u00ean l\u00edp tr\u1ed3ng 2 h\u00e0ng c\u00e2y c\u00e1ch nhau 3m.<\/p>\n

B\u00f3n l\u00f3t 200 gam ph\u00e2n l\u00e2n h\u1eefu c\u01a1 vi sinh cho 1 c\u00e2y c\u00f9ng l\u00fac v\u1edbi cu\u1ed1c l\u1ea5p h\u1ed1\u00a0 v\u00e0 b\u00f3n th\u00fac th\u00eam 200 gam ph\u00e2n \u0111\u00f3 v\u00e0o l\u1ea7n ch\u0103m s\u00f3c \u0111\u1ea7u c\u1ee7a n\u0103m th\u1ee9 hai.<\/p>\n

Tr\u1ed3ng v\u00e0o \u0111\u1ea7u m\u00f9a m\u01b0a khi \u0111\u1ea5t \u0111\u00e3 \u0111\u1ee7 \u1ea9m, kh\u00f4ng tr\u1ed3ng v\u00e0o l\u00fac n\u1eafng to, gi\u00f3 m\u1ea1nh, th\u1eddi ti\u1ebft kh\u00f4 n\u00f3ng ho\u1eb7c l\u1ea1nh gi\u00e1.<\/p>\n

Tr\u1ed3ng b\u1eb1ng c\u00e2y con c\u00f3 b\u1ea7u \u0111\u1ee7 ti\u00eau chu\u1ea9n, ph\u1ea3i r\u1ea1ch b\u1ecf v\u1ecf b\u1ea7u, moi \u0111\u1ea5t \u0111\u1eb7t c\u00e2y c\u1ea9n th\u1eadn r\u1ed3i l\u1ea5p \u0111\u1ea5t \u0111\u1ea7y v\u00e0 n\u1ec7n ch\u1eb7t, vun \u0111\u1ea5t quanh g\u1ed1c cao h\u01a1n m\u1eb7t \u0111\u1ea5t 5-10cm.<\/p>\n

Ch\u0103m s\u00f3c 3 n\u0103m \u0111\u1ea7u, m\u1ed7i n\u0103m 2 l\u1ea7n v\u00e0o \u0111\u1ea7u v\u00e0 cu\u1ed1i m\u00f9a m\u01b0a, ch\u1ee7 y\u1ebfu l\u00e0 c\u1eaft d\u00e2y leo cu\u1ed1n th\u00e2n c\u00e2y, ph\u00e1t lu\u1ed7ng c\u00e2y c\u1ecf x\u00e2m l\u1ea5n, vun x\u1edbi \u0111\u1ea5t quanh g\u1ed1c \u0111\u01b0\u1eddng k\u00ednh r\u1ed9ng 60 \u0111\u1ebfn 80cm.<\/p>\n

5. Khai th\u00e1c, s\u1eed d\u1ee5ng<\/b><\/p>\n

\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0 <\/b>G\u1ed7 Keo l\u00e1 li\u1ec1m c\u00f3 t\u1ef7 tr\u1ecdng 0,6-0,7, t\u01b0\u01a1ng \u0111\u1ed1i m\u1ecbn, d\u1ec5 gia c\u00f4ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u00e0m \u0111\u1ed3 m\u1ed9c gia d\u1ee5ng, v\u00e1n gh\u00e9p thanh, v\u00e1n s\u00e0n, v\u00e1n s\u1ee3i \u00e9p, c\u1ed9t \u0111i\u1ec7n, \u0111\u00f3ng thuy\u1ec1n, l\u00e0m nh\u00e0, g\u1ed7 gi\u1ea5y, g\u1ed7 d\u0103m, g\u1ed7 c\u1ee7i, ….<\/p>\n

Keo l\u00e1 li\u1ec1m ch\u1ecbu \u0111\u01b0\u1ee3c m\u1eb7n \u1edf m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, ch\u1ecbu \u0111\u01b0\u1ee3c \u0111\u1ea5t c\u00e1t ngh\u00e8o x\u1ea5u n\u00ean c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 tr\u1ed3ng r\u1eebng ph\u00f2ng h\u1ed9 ven bi\u1ec3n, ch\u1eafn gi\u00f3, c\u1ed1 \u0111\u1ecbnh c\u00e1t. C\u0169ng nh\u01b0 nhi\u1ec1u lo\u00e0i keo kh\u00e1c, Keo l\u00e1 li\u1ec1m c\u00f3 b\u1ed9 r\u1ec5 kh\u00e1 ph\u00e1t tri\u1ec3n v\u1edbi nhi\u1ec1u n\u1ed1t s\u1ea7n ch\u1ee9a\u00a0 nhi\u1ec1u vi khu\u1ea9n c\u1ed9ng sinh c\u00f3 kh\u1ea3 n\u0103ng c\u1ed1 \u0111\u1ecbnh \u0111\u1ea1m n\u00ean c\u00f3 t\u00e1c d\u1ee5ng c\u1ea3i t\u1ea1o \u0111\u1ea5t r\u1ea5t t\u1ed1t.<\/p>\n

Ngo\u00e0i ra, Keo l\u00e1 li\u1ec1m c\u00f3 th\u00e2n th\u1eb3ng, t\u00e1n l\u00e1 d\u00e0y v\u00e0 xanh quanh n\u0103m n\u00ean \u0111\u01b0\u1ee3c tr\u1ed3ng l\u00e0m c\u00e2y che b\u00f3ng, c\u00e2y xanh trong c\u00f4ng vi\u00ean, ven \u0111\u01b0\u1eddng ph\u1ed1, tr\u1ed3ng l\u00e0m b\u0103ng c\u1ea3n l\u1eeda r\u1ea5t t\u1ed1t.<\/p>\n

\u1ede Phong \u0110i\u1ec1n, Th\u1eeba Thi\u00ean – Hu\u1ebf, Keo l\u00e1 li\u1ec1m tr\u1ed3ng tr\u00ean \u0111\u1ea5t b\u00e3i c\u00e1t c\u1ed1 \u0111\u1ecbnh, 8 tu\u1ed5i sinh tr\u01b0\u1edfng b\u00ecnh qu\u00e2n \u0111\u1ea1t \u0111\u01b0\u1ee3c 11,7cm v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 7,7m v\u1ec1 chi\u1ec1u cao; 14 tu\u1ed5i \u0111\u1ea1t \u0111\u01b0\u1ee3c 34,5cm v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 11,2m v\u1ec1 chi\u1ec1u cao.<\/p>\n

\u1ede L\u1ec7 Thu\u1ef7 – Qu\u1ea3ng B\u00ecnh, Keo l\u00e1 li\u1ec1m tr\u1ed3ng tr\u00ean \u0111\u1ea5t \u0111\u1ed3i g\u00f2, 10 tu\u1ed5i sinh tr\u01b0\u1edfng b\u00ecnh qu\u00e2n \u0111\u1ea1t 12,3cm v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 8,3m v\u1ec1 chi\u1ec1u cao. M\u1ee9c sinh tr\u01b0\u1edfng \u0111\u00f3 \u0111\u1ec1u l\u1edbn h\u01a1n g\u1ea5p \u0111\u00f4i so v\u1edbi m\u1ee9c sinh tr\u01b0\u1edfng c\u1ee7a m\u1ed9t s\u1ed1 c\u00e2y c\u00f9ng tr\u1ed3ng trong \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Phi lao, b\u1ea1ch \u0111\u00e0n, Keo l\u00e1 tr\u00e0m, Keo tai t\u01b0\u1ee3ng.<\/p>\n

Do v\u1eady v\u1edbi Keo l\u00e1 li\u1ec1m tr\u1ed3ng tr\u00ean \u0111\u1ea5t c\u00e1t ho\u1eb7c \u0111\u1ea5t \u0111\u1ed3i \u0111\u1ec3 kinh doanh g\u1ed7 nh\u1ecf sau 8 \u0111\u1ebfn 10 n\u0103m l\u00e0 c\u00f3 th\u1ec3 khai th\u00e1c, ho\u1eb7c \u0111\u1ec3 kinh doanh g\u1ed7 x\u1ebb c\u1ea7n k\u00e9o d\u00e0i \u0111\u1ebfn 15-20 n\u0103m l\u00e0 c\u00f3 th\u1ec3 ch\u1eb7t \u0111\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

T\u00ean kh\u00e1c: Keo l\u01b0\u1ee1i li\u1ec1m T\u00ean khoa h\u1ecdc: Acacia crassicarpa A.Cunn ex Benth\u00a0\u00a0\u00a0\u00a0 H\u1ecd th\u1ef1c v\u1eadt: Trinh n\u1eef (Mimosaceae) 1. \u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i D\u1ea1ng c\u00e2y b\u1ee5i \u0111\u1ebfn c\u00e2y g\u1ed7 nh\u1ee1, khi s\u1ed1ng trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n l\u1eadp \u0111\u1ecba th\u00edch h\u1ee3p c\u00e2y tr\u1edf th\u00e0nh c\u00e2y g\u1ed7 nh\u1ee1 v\u1edbi chi\u1ec1u cao \u0111\u1ebfn 30m, nh\u01b0ng \u0111\u01b0\u1eddng k\u00ednh […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[15,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13123"}],"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=13123"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13123\/revisions"}],"predecessor-version":[{"id":13125,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13123\/revisions\/13125"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=13123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=13123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=13123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}