{"id":14210,"date":"2015-02-24T11:23:01","date_gmt":"2015-02-24T04:23:01","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=14210"},"modified":"2015-02-12T13:19:02","modified_gmt":"2015-02-12T06:19:02","slug":"ky-thuat-trong-cay-xoan-ta","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ky-thuat-trong-cay-xoan-ta\/","title":{"rendered":"K\u1ef9 thu\u1eadt tr\u1ed3ng c\u00e2y Xoan ta"},"content":{"rendered":"

XOAN TA<\/b><\/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 T\u00ean kh\u00e1c: S\u1ea7u \u0111\u00f4ng, Th\u1ea7u \u0111\u00e2u, Xoan<\/p>\n

T\u00ean khoa h\u1ecdc: Melia azedarach<\/i> Linn.<\/p>\n

H\u1ecd th\u1ef1c v\u1eadt: Xoan (Meliaceae)<\/p>\n

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

C\u00e2y g\u1ed7 trung b\u00ecnh cao t\u1edbi 20m, \u0111\u01b0\u1eddng k\u00ednh 30-50cm ho\u1eb7c h\u01a1n, th\u00e2n th\u1eb3ng. V\u1ecf ngo\u00e0i m\u00e0u x\u00e1m n\u00e2u, c\u00f3 nh\u1eefng b\u00ec kh\u1ed5ng ch\u1ea1y d\u1ecdc m\u00e0u v\u00e0ng da cam.<\/p>\n

\"15-02-16<\/a><\/p>\n

Th\u1ecbt v\u1ecf tr\u1eafng v\u00e0ng, nhi\u1ec1u x\u01a1, c\u00e0nh non c\u00f3 l\u00f4ng. T\u00e1n l\u00e1 th\u01b0a, l\u00e1 r\u1ee5ng m\u00f9a \u0111\u00f4ng.<\/p>\n

L\u00e1 k\u00e9p l\u00f4ng chim l\u1ebb 2-3 l\u1ea7n, m\u1ecdc c\u00e1ch. L\u00e1 ch\u00e9t h\u00ecnh tr\u1ee9ng hay h\u00ecnh m\u0169i m\u00e1c, m\u00e9p c\u00f3 r\u0103ng khi non ph\u1ee7 l\u00f4ng h\u00ecnh sao, m\u1eb7t tr\u00ean xanh th\u1eabm, m\u1eb7t d\u01b0\u1edbi xanh v\u00e0ng.<\/p>\n

C\u1ee5m hoa h\u00ecnh ch\u00f9y m\u1ecdc \u1edf n\u00e1ch l\u00e1, hoa l\u01b0\u1ee1ng t\u00ednh c\u00f3 m\u00f9i h\u1eafc. Qu\u1ea3 h\u1ea1ch, v\u1ecf ngo\u00e0i n\u1ea1c, v\u1ecf trong ho\u00e1 g\u1ed7, 4-5 \u00f4, m\u1ed7i \u00f4 ch\u1ee9a 1 h\u1ea1t.<\/p>\n

2. \u0110\u0103\u0323c ti\u0301nh sinh tha\u0301i<\/b><\/p>\n

M\u1ecdc t\u1ef1 nhi\u00ean kh\u00e1 r\u1ed9ng \u1edf Trung Qu\u1ed1c, L\u00e0o, Myanma, Th\u00e1i Lan,…, c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb Hymalaya.<\/p>\n

\u1ede Vi\u1ec7t Nam g\u1eb7p \u1edf h\u1ea7u h\u1ebft c\u00e1c n\u01a1i t\u1eeb B\u1eafc v\u00e0o Nam, t\u1eeb \u0111\u1ed3ng b\u1eb1ng, trung du \u0111\u1ebfn mi\u1ec1n n\u00fai, m\u1ecdc t\u1ef1 nhi\u00ean nhi\u1ec1u v\u00e0 t\u1eadp trung \u1edf c\u00e1c v\u00f9ng bi\u00ean gi\u1edbi Vi\u1ec7t L\u00e0o.<\/p>\n

\u01afa kh\u00ed h\u1eadu nhi\u1ec7t \u0111\u1edbi gi\u00f3 m\u00f9a n\u00f3ng, \u1ea9m c\u00f3 2 m\u00f9a r\u00f5 r\u1ec7t. M\u01b0a c\u00e0ng nhi\u1ec1u m\u1ecdc c\u00e0ng t\u1ed1t, r\u1ee5ng l\u00e1 m\u00f9a kh\u00f4, khi c\u00f3 m\u01b0a ph\u00f9n b\u1eaft \u0111\u1ea7u n\u1ea9y l\u1ed9c, ra hoa, ch\u1ecbu \u0111\u01b0\u1ee3c gi\u00e1 l\u1ea1nh.<\/p>\n

C\u00e2y ti\u00ean phong, \u01b0a \u00e1nh s\u00e1ng ho\u00e0n to\u00e0n, t\u00e1i sinh r\u1ea5t m\u1ea1nh tr\u00ean \u0111\u1ea5t b\u1ecf ho\u00e1 sau n\u01b0\u01a1ng r\u1eaby; \u1edf \u0111\u1ed9 cao tr\u00ean 1000m so m\u1ef1c n\u01b0\u1edbc bi\u1ec3n v\u1eabn m\u1ecdc \u0111\u01b0\u1ee3c nh\u01b0ng sinh tr\u01b0\u1edfng k\u00e9m.<\/p>\n

T\u00e1i sinh h\u1ea1t m\u1ea1nh, t\u00e1i sinh ch\u1ed3i g\u1ed1c v\u00e0 c\u1ea3 ch\u1ed3i r\u1ec5 \u0111\u1ec1u r\u1ea5t kho\u1ebb. C\u00e2y m\u1ecdc nhanh, 5 tu\u1ed5i c\u00f3 th\u1ec3 cao 8-10m, \u0111\u01b0\u1eddng k\u00ednh 15-20cm; 10 tu\u1ed5i \u0111\u01b0\u1eddng k\u00ednh c\u00f3 th\u1ec3 \u0111\u1ea1t 30cm.<\/p>\n

\u01afa \u0111\u1ea5t s\u00e2u, t\u01a1i x\u1ed1p, tho\u00e1t n\u01b0\u1edbc, \u00edt chua. Th\u00edch h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i \u0111\u1ea5t \u0111\u00e1 v\u00f4i, \u0111\u00e1 ki\u1ec1m, \u0111\u1ea5t ph\u00f9 sa ven s\u00f4ng ven su\u1ed1i. \u0110\u1ea5t c\u1eb1n c\u1ed7i, \u00fang, b\u00ed v\u1eabn m\u1ecdc \u0111\u01b0\u1ee3c nh\u01b0ng sinh tr\u01b0\u1edfng k\u00e9m. N\u01a1i c\u00f3 gi\u00f3 b\u00e3o m\u1ea1nh c\u00e2y b\u1ecb cong queo v\u00e0 ch\u1eadm l\u1edbn.<\/p>\n

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

a. Ngu\u1ed3n gi\u1ed1ng<\/i><\/b><\/p>\n

Ch\u1ecdn c\u00e2y m\u1eb9 5-8 tu\u1ed5i, th\u00e2n th\u1eb3ng, tr\u00f2n, \u0111\u01b0\u1eddng k\u00ednh tr\u00ean 15cm c\u00f3 \u0111o\u1ea1n th\u00e2n d\u01b0\u1edbi c\u00e0nh d\u00e0i, t\u00e1n l\u00e1 \u0111\u1ec1u, kh\u00f4ng b\u1ecb s\u00e2u b\u1ec7nh trong r\u1eebng chuy\u1ec3n h\u00f3a \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn \u0111\u1ec3 l\u1ea5y gi\u1ed1ng.<\/p>\n

M\u00f9a hoa v\u00e0o cu\u1ed1i xu\u00e2n \u0111\u1ea7u h\u00e8 kho\u1ea3ng th\u00e1ng 3-4, m\u00f9a qu\u1ea3 ch\u00edn v\u00e0o gi\u1eefa m\u00f9a \u0111\u00f4ng kho\u1ea3ng th\u00e1ng 11-12. C\u00e2y 3-4 tu\u1ed5i b\u1eaft \u0111\u1ea7u ra hoa.<\/p>\n

Qu\u1ea3 th\u01b0\u1eddng ch\u00edn t\u1eadp trung, khi ph\u1ea7n l\u1edbn qu\u1ea3 c\u00f3 v\u1ecf chuy\u1ec3n t\u1eeb m\u00e0u xanh sang m\u00e0u v\u00e0ng da cam \u0111\u1eadm, b\u00f3p nh\u1eb9 th\u1ea5y qu\u1ea3 m\u1ec1m th\u00ec thu h\u00e1i.<\/p>\n

Qu\u1ea3 h\u00e1i v\u1ec1 \u1ee7 1-2 ng\u00e0y cho ch\u00edn \u0111\u1ec1u r\u1ed3i ng\u00e2m v\u00e0o n\u01b0\u1edbc, ch\u00e0 x\u00e1t, \u0111\u00e3i lo\u1ea1i b\u1ecf h\u1ebft v\u1ecf v\u00e0 th\u1ecbt qu\u1ea3 \u0111\u1ec3 l\u1ea5y h\u1ea1t. M\u1ed7i kg h\u1ea1t c\u00f3 2000-3000 h\u1ea1t.<\/p>\n

Ph\u01a1i h\u1ea1t 1-2 ng\u00e0y trong n\u1eafng nh\u1eb9 r\u1ed3i \u0111em gieo ho\u1eb7c c\u1ea5t tr\u1eef trong chum v\u1ea1i theo c\u00e1ch b\u1ea3o qu\u1ea3n kh\u00f4 th\u00f4ng th\u01b0\u1eddng.<\/p>\n

b. X\u1eed l\u00fd h\u1ea1t<\/i><\/b><\/p>\n

Theo c\u00e1ch \u0111\u1ed1t n\u00f3ng gi\u00e1n ti\u1ebfp l\u00e0 cho h\u1ea1t v\u00e0o h\u1ed1, ph\u1ee7 r\u01a1m r\u1ea1 c\u1ecf r\u00e1c kh\u00f4, \u0111\u1ed1t trong 2-3 ph\u00fat cho n\u00f3ng h\u1ea1t r\u1ed3i \u0111em gieo.<\/p>\n

Ho\u1eb7c ng\u00e2m h\u1ea1t v\u00e0o n\u01b0\u1edbc \u1ea5m 50-600<\/sup>C (2 s\u00f4i 3 l\u1ea1nh) trong 6-12 gi\u1edd, v\u1edbt ra tr\u1ed9n v\u1edbi c\u00e1t \u1ea9m \u0111\u1ec3 \u1ee7 trong 2-3 ng\u00e0y r\u1ed3i \u0111em gieo.<\/p>\n

c. Gieo h\u1ea1t<\/i><\/b><\/p>\n

Ch\u1ecdn n\u01a1i b\u1eb1ng ph\u1eb3ng, tho\u00e1t n\u01b0\u1edbc, c\u00e0y b\u1eeba l\u00e0m \u0111\u1ea5t k\u1ef9. L\u00ean lu\u1ed1ng r\u1ed9ng 0,8-1m, cao 15-20cm, ch\u00e2n lu\u1ed1ng r\u1ed9ng 1-1,2m, r\u00e3nh lu\u1ed1ng r\u1ed9ng 35-40cm.<\/p>\n

B\u00f3n l\u00f3t ph\u00e2n chu\u1ed3ng hoai 3-4 kg\/m2<\/sup>, tr\u1ed9n \u0111\u1ec1u v\u00e0 san ph\u1eb3ng m\u1eb7t lu\u1ed1ng. Ch\u1ecdc l\u1ed7 s\u00e2u 4-5cm, c\u1ef1 ly 30x30cm. M\u1ed7i l\u1ed7 gieo 1 h\u1ea1t \u0111\u00e3 x\u1eed l\u00fd, l\u1ea5p \u0111\u1ea5t k\u00edn h\u1ea1t, l\u01b0\u1ee3ng h\u1ea1t 1kg\/m2<\/sup>.<\/p>\n

T\u01b0\u1edbi n\u01b0\u1edbc \u0111\u1eabm sau khi gieo, \u0111\u1ecbnh k\u1ef3 2-3 ng\u00e0y t\u01b0\u1edbi m\u1ed9t l\u1ea7n, l\u01b0\u1ee3ng t\u01b0\u1edbi 2- 3 l\u00edt\/m2<\/sup>.<\/p>\n

d. Ch\u0103m s\u00f3c c\u00e2y con<\/i><\/b><\/p>\n

Sau khi c\u00e2y m\u1ecdc m\u1ed9t th\u00e1ng th\u00ec t\u1ec9a d\u1eb7m c\u00e2y cho \u0111\u1ec1u. \u0110\u1ecbnh k\u1ef3 20-30 ng\u00e0y l\u00e0m c\u1ecf x\u1edbi v\u00e1ng m\u1ed9t l\u1ea7n, 4-5 ng\u00e0y t\u01b0\u1edbi n\u01b0\u1edbc m\u1ed9t l\u1ea7n, l\u01b0\u1ee3ng t\u01b0\u1edbi 4-6 l\u00edt\/m2<\/sup><\/p>\n

Ch\u1ed1ng \u00fang khi m\u01b0a to. Ph\u00e1t hi\u1ec7n c\u00f3 r\u1ec7p s\u00e1p b\u00e1m quanh th\u00e2n ph\u1ea3i tu\u1ed1t b\u1ecf, qu\u00e9t n\u01b0\u1edbc v\u00f4i \u0111\u1eb7c l\u00ean th\u00e2n \u0111\u1ec3 ph\u00f2ng tr\u1eeb.<\/p>\n

e. Ti\u00eau chu\u1ea9n c\u00e2y con<\/i><\/b><\/p>\n

Tu\u1ed5i c\u00e2y 9-12 th\u00e1ng, chi\u1ec1u cao 1,5-2m, \u0111\u01b0\u1eddng k\u00ednh c\u1ed5 r\u1ec5 2-3cm, c\u00e2y sinh tr\u01b0\u1edfng t\u1ed1t, kh\u00f4ng b\u1ecb s\u00e2u b\u1ec7nh, ch\u01b0a ra l\u00e1 non.<\/p>\n

4. Tr\u00f4\u0300ng va\u0300 ch\u0103m so\u0301c r\u01b0\u0300ng<\/b><\/p>\n

Tr\u00f4\u0300ng \u01a1\u0309 n\u01a1i co\u0301 \u0111\u1ed9 cao \u0111i\u0323a hi\u0300nh d\u01b0\u1edbi 1000m, t\u1ed1t nh\u1ea5t l\u00e0 d\u01b0\u1edbi 500-700m so v\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n. Nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n n\u0103m 16-220<\/sup>C, l\u01b0\u1ee3ng m\u01b0a b\u00ecnh qu\u00e2n n\u0103m 1700-2000mm. \u0110\u1ea5t i\u0301t chua, pH t\u1eeb 5,0-6,0, th\u00e0nh ph\u1ea7n c\u01a1 gi\u1edbi trung b\u00ecnh, th\u1ecbt nh\u1eb9 \u0111\u1ebfn s\u00e9t trung b\u00ecnh, t\u1ea7ng d\u00e0y tr\u00ean 40-50cm. Th\u01b0\u0323c bi\u0300 m\u1edbi ph\u1ee5c h\u1ed3i sau n\u01b0\u01a1ng r\u1eaby b\u1ecf ho\u00e1, c\u00e2y b\u1ee5i, c\u1ecf c\u00f3 c\u00e2y g\u1ed7 r\u1ea3i r\u00e1c, tr\u1ea3ng c\u1ecf v\u00e0 tr\u1ea3ng c\u00e2y b\u1ee5i.<\/p>\n

\"15-02-16<\/a><\/p>\n

C\u00f3 2 ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng ch\u1ee7 y\u1ebfu:<\/p>\n

– Tr\u1ed3ng t\u1eadp trung thu\u1ea7n lo\u00e0i c\u00f3 tr\u1ed3ng xen ho\u1eb7c kh\u00f4ng tr\u1ed3ng xen c\u00e2y n\u00f4ng nghi\u1ec7p tr\u00ean \u0111\u1ea5t d\u1ed1c ho\u1eb7c \u0111\u1ea5t sau n\u01b0\u01a1ng r\u1eaby.<\/p>\n

– Tr\u1ed3ng ph\u00e2n t\u00e1n thu\u1ea7n lo\u00e0i ho\u1eb7c tr\u1ed3ng xen c\u00e2y g\u1ed7 ven \u0111\u01b0\u1eddng, k\u00eanh m\u01b0\u01a1ng ho\u1eb7c quanh v\u01b0\u1eddn, n\u01b0\u01a1ng.<\/p>\n

C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p tr\u1ed3ng ch\u00ednh:<\/p>\n

– Tr\u1ed3ng b\u1eb1ng c\u00e1ch gieo h\u1ea1t th\u1eb3ng \u00e1p d\u1ee5ng cho tr\u1ed3ng t\u1eadp trung.<\/p>\n

– Ho\u1eb7c tr\u1ed3ng b\u1eb1ng c\u00e2y con r\u1ec5 tr\u1ea7n \u00e1p d\u1ee5ng cho tr\u1ed3ng ph\u00e2n t\u00e1n.<\/p>\n

Tr\u1ed3ng b\u1eb1ng c\u00e2y con r\u1ec5 tr\u1ea7n th\u00edch h\u1ee3p nh\u1ea5t l\u00e0 v\u00e0o cu\u1ed1i \u0110\u00f4ng \u0111\u1ea7u Xu\u00e2n t\u1eeb th\u00e1ng 12 \u0111\u1ebfn th\u00e1ng 2, khi c\u00e2y con ch\u01b0a ra l\u00e1 non. Tr\u1ed3ng b\u1eb1ng gieo h\u1ea1t th\u1eb3ng th\u00edch h\u1ee3p nh\u1ea5t v\u00e0o \u0111\u1ea7u m\u00f9a m\u01b0a, c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng tr\u1ed3ng v\u00e0o v\u1ee5 Xu\u00e2n ho\u1eb7c v\u00e0o v\u1ee5 Thu.<\/p>\n

Tr\u1ed3ng thu\u1ea7n lo\u00e0i 2500-3000 c\u00e2y\/ha, c\u1ef1 ly 2x2m ho\u1eb7c 2×1,5m.<\/p>\n

Tr\u1ed3ng ph\u00e2n t\u00e1n v\u1edbi c\u1ef1 ly c\u00e2y c\u00e1ch c\u00e2y 3x3m.<\/p>\n

Ph\u00e1t d\u1ecdn th\u01b0\u0323c bi\u0300 to\u00e0n di\u1ec7n.<\/p>\n

Cu\u1ed1c h\u1ed1 k\u00edch th\u01b0\u1edbc 30x30x30cm \u0111\u00ea\u0309 tr\u00f4\u0300ng r\u01b0\u0300ng t\u00e2\u0323p trung. Cu\u00f4\u0301c h\u1ed1 v\u1edbi k\u00edch th\u01b0\u1edbc 40x40x40cm \u0111\u00ea\u0309 tr\u00f4\u0300ng ph\u00e2n ta\u0301n.<\/p>\n

Gieo h\u1ea1t th\u1eb3ng: Gieo 3-4 h\u1ea1t \u0111\u00e3 x\u1eed l\u00fd v\u00e0o m\u1ed9t h\u1ed1, l\u1ea5p \u0111\u1ea5t k\u00edn h\u1ea1t d\u00e0y 3-4cm. Sau 15-20 ng\u00e0y th\u00ec c\u00e2y m\u1ecdc, sau 1 th\u00e1ng t\u1ec9a d\u1eb7m v\u00e0 \u0111\u1ec3 l\u1ea1i m\u1ed7i h\u1ed1 1 c\u00e2y kho\u1ebb m\u1ea1nh.<\/p>\n

Tr\u1ed3ng b\u1eb1ng c\u00e2y con: B\u1ee9ng c\u00e2y \u0111\u1ea1t ti\u00eau chu\u1ea9n, c\u1eaft b\u1edbt r\u1ec5 c\u1ecdc ch\u1ec9 \u0111\u1ec3 l\u1ea1i m\u1ed9t \u0111o\u1ea1n d\u00e0i 20-25cm. Moi \u0111\u1ea5t, \u0111\u1eb7t ngay ng\u1eafn, l\u1ea5p \u0111\u1ea5t \u0111\u1ea7y h\u1ed1 v\u00e0 d\u1eadm ch\u1eb7t, c\u00e0o \u0111\u1ea5t vun l\u1ea5p ti\u1ebfp cho \u0111\u1ea7y mi\u1ec7ng h\u1ed1 cao ngang c\u1ed5 r\u1ec5.<\/p>\n

Ch\u0103m s\u00f3c 3 n\u0103m li\u1ec1n, m\u1ed7i n\u0103m 1-2 l\u1ea7n. L\u00e0m c\u1ecf, vun g\u1ed1c r\u1ed9ng 0,8-1m, t\u1ec9a b\u1edbt \u0111\u1ec3 l\u1ea1i 1 c\u00e2y\/h\u1ed1 v\u00e0 t\u1ec9a ch\u1ed3i ngay t\u1eeb n\u0103m \u0111\u1ea7u, \u0111\u1ebfn khi c\u00e2y cao 7-8m th\u00ec kh\u00f4ng t\u1ec9a n\u1eefa. Qu\u00e9t n\u01b0\u1edbc v\u00f4i \u0111\u1eb7c quanh th\u00e2n c\u00e2y t\u1eeb g\u1ed1c \u0111\u1ebfn \u0111\u1ed9 cao 1,5m \u0111\u1ec3 ch\u1ed1ng r\u1ec7p s\u00e1p. Nh\u1eefng th\u00e2n c\u00e2y b\u1ecb cong c\u00f3 th\u1ec3 d\u00f9ng dao r\u1ea1ch m\u1ed9t \u0111\u01b0\u1eddng d\u1ecdc \u0111\u1ed1i di\u1ec7n v\u00e0 u\u1ed1n l\u1ea1i th\u00e2n cho th\u1eb3ng.<\/p>\n

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

G\u1ed7 c\u00f3 t\u1ef7 tr\u1ecdng 0,50-0,55, x\u1ebfp nh\u00f3m VI, m\u00e0u tr\u1eafng h\u1ed3ng, c\u00f3 v\u00e2n, nh\u1eb9 v\u00e0 m\u1ec1m nh\u01b0ng kh\u00e1 b\u1ec1n, \u00edt b\u1ecb m\u1ecdt v\u00e0 m\u1ee5c nh\u01b0ng d\u1ec5 b\u1ecb m\u1ed1i. N\u1ebfu \u0111\u01b0\u1ee3c ng\u00e2m n\u01b0\u1edbc 5-6 th\u00e1ng th\u00ec g\u1ed7 r\u1ea5t b\u1ec1n, th\u01b0\u1eddng d\u00f9ng trong x\u00e2y d\u1ef1ng, \u0111\u00f3ng b\u00e0n gh\u1ebf v\u00e0 c\u00e1c \u0111\u1ed3 gia d\u1ee5ng, \u0111\u1ed3 m\u1ed9c.<\/p>\n

G\u1ed7 \u0111un cho nhi\u1ec7t l\u01b0\u1ee3ng cao, \u0111\u1ed1t than l\u00e0m thu\u1ed1c s\u00fang. V\u1ecf d\u00f9ng l\u00e0m thu\u1ed1c. L\u00e1 d\u00f9ng \u0111\u1ec3 l\u00e0m ph\u00e2n xanh, l\u00e0m thu\u1ed1c ch\u1eefa giun s\u00e1n cho tr\u00e2u b\u00f2, ch\u1ebf bi\u1ebfn thu\u1ed1c ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh.<\/p>\n

R\u01b0\u0300ng tr\u00f4\u0300ng Xoan ta trong 5-6 n\u0103m \u0111\u1ea7u c\u00f3 th\u1ec3 tr\u1ed3ng xen v\u1edbi d\u1ee9a, ch\u00e8 ho\u1eb7c \u0111\u1ed7, l\u1ea1c, s\u1eafn, ng\u00f4,… \u0111\u1ec3 t\u0103ng thu ti\u1ec1n m\u1eb7t v\u00e0 hoa m\u00e0u. T\u1eeb n\u0103m th\u1ee9 7-8 tr\u1edf \u0111i c\u00e2y cao tr\u00ean 10m, \u0111\u01b0\u1eddng k\u00ednh t\u1edbi 35-40cm, b\u1eaft \u0111\u1ea7u khai th\u00e1c ch\u1ecdn c\u00e2y to l\u1ea5y g\u1ed7 gia d\u1ee5ng k\u1ebft h\u1ee3p t\u00e1i sinh t\u1ef1 nhi\u00ean b\u1eb1ng h\u1ea1t v\u00e0 ch\u1ed3i.<\/p>\n

R\u1eebng tr\u1ed3ng t\u1eadp trung thu\u1ea7n lo\u00e0i \u0111\u1ebfn 5-6 tu\u1ed5i b\u1eaft \u0111\u1ea7u t\u1ec9a th\u01b0a ch\u1eb7t b\u1ecf nh\u1eefng c\u00e2y x\u1ea5u k\u1ebft h\u1ee3p t\u1ec9a c\u01a1 gi\u1edbi c\u00e1ch c\u00e2y, \u0111\u1ec3 l\u1ea1i 1000-1500 c\u00e2y\/ha, t\u1eadn d\u1ee5ng s\u1ea3n ph\u1ea9m l\u00e0m g\u1ed7, c\u1ee7i.<\/p>\n

\u0110\u1ebfn 10-12 tu\u1ed5i c\u00f3 th\u1ec3 khai th\u00e1c ch\u00ednh k\u1ebft h\u1ee3p v\u1edbi t\u00e1i sinh lu\u00e2n k\u1ef3 2 b\u1eb1ng gieo h\u1ea1t th\u1eb3ng v\u00e0 t\u1eadn d\u1ee5ng ngu\u1ed3n h\u1ea1t gi\u1ed1ng t\u1ea1i ch\u1ed7. S\u1ea3n l\u01b0\u1ee3ng khai th\u00e1c \u0111\u1ea1t t\u1edbi 120-150m3<\/sup>\/ha.<\/p>\n","protected":false},"excerpt":{"rendered":"

XOAN TA \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 T\u00ean kh\u00e1c: S\u1ea7u \u0111\u00f4ng, Th\u1ea7u \u0111\u00e2u, Xoan T\u00ean khoa h\u1ecdc: Melia azedarach Linn. H\u1ecd th\u1ef1c v\u1eadt: Xoan (Meliaceae) 1. \u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i C\u00e2y g\u1ed7 trung b\u00ecnh cao t\u1edbi 20m, \u0111\u01b0\u1eddng k\u00ednh 30-50cm ho\u1eb7c h\u01a1n, th\u00e2n th\u1eb3ng. V\u1ecf ngo\u00e0i m\u00e0u x\u00e1m n\u00e2u, c\u00f3 nh\u1eefng b\u00ec kh\u1ed5ng ch\u1ea1y d\u1ecdc m\u00e0u v\u00e0ng da cam. […]<\/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\/14210"}],"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=14210"}],"version-history":[{"count":4,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14210\/revisions"}],"predecessor-version":[{"id":14216,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14210\/revisions\/14216"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=14210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=14210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=14210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}