H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng c\u00e2y tr\u00e1m tr\u1eafng<\/b> <\/p>\n
(Canarium album Raeusch)<\/i><\/b> <\/p>\n
L\u1eddi n\u00f3i \u0111\u1ea7u<\/b> <\/p>\n
Tr\u00e1m tr\u1eafng (Canarium album<\/i> Raeusch), thu\u1ed9c h\u1ecd Tr\u00e1m (Burseraceae) l\u00e0 c\u00e2y g\u1ed7 l\u1edbn b\u1ea3n \u0111\u1ecba c\u00f3 chi\u1ec1u cao t\u1eeb 20-30m, \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c t\u1eeb 50-70cm, th\u00e2n tr\u00f2n th\u1eb3ng, t\u00e1n l\u00e1 r\u1ed9ng v\u00e0 xanh quanh n\u0103m. G\u1ed7 m\u1ec1m, nh\u1eb9, th\u1edb m\u1ecbn, d\u1ec5 b\u00f3c v\u00e0 d\u1ec5 l\u1ea1ng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong x\u00e2y d\u1ef1ng nh\u00e0 c\u1eeda, l\u00e0m nguy\u00ean li\u1ec7u g\u1ed7 d\u00e1n, b\u1ed9t gi\u1ea5y v\u00e0 c\u1ee7i \u0111un. Nh\u1ef1a Tr\u00e1m d\u00f9ng \u0111\u1ec3 ch\u01b0ng c\u1ea5t tinh d\u1ea7u, ch\u1ebf bi\u1ebfn c\u00f4l\u00f4phan d\u00f9ng trong c\u00f4ng ngh\u1ec7 n\u01b0\u1edbc hoa, x\u00e0 ph\u00f2ng, v\u00e9c ni. Qu\u1ea3 Tr\u00e1m l\u00e0m th\u1ee9c \u0103n, ch\u1ebf bi\u1ebfn \u00f4 mai, l\u00e0m thu\u1ed1c ch\u1eefa ho, gi\u1ea3i r\u01b0\u1ee3u v\u00e0 gi\u1ea3i \u0111\u1ed9c. <\/p>\n
Tr\u00e1m ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean \u1edf Trung Qu\u1ed1c, L\u00e0o, Th\u00e1i Lan, v\u00f9ng bi\u1ec3n Ng\u00e0… \u1edf Vi\u1ec7t Nam Tr\u00e1m tr\u1eafng m\u1ecdc r\u1ea3i r\u00e1c trong r\u1eebng t\u1ef1 nhi\u00ean \u1edf c\u00e1c t\u1ec9nh ph\u00eda B\u1eafc, khu IV c\u0169 v\u00e0 v\u00f9ng B\u1eafc T\u00e2y Nguy\u00ean \u1edf \u0111\u1ed9 cao t\u1eeb 100-800m so v\u1edbi m\u1eb7t bi\u1ec3n. <\/p>\n
Hi\u1ec7n nay Tr\u00e1m tr\u1eafng l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e2y \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0m c\u00e2y tr\u1ed3ng ch\u00ednh trong ch\u01b0\u01a1ng tr\u00ecnh 327, d\u1ef1 \u00e1n khuy\u1ebfn l\u00e2m, d\u1ef1 \u00e1n l\u00e2m nghi\u1ec7p trang tr\u1ea1i, v\u00e0 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh tr\u1ed3ng r\u1eebng kh\u00e1c \u0111\u1ec3 nh\u1eb1m cung c\u1ea5p g\u1ed7, qu\u1ea3 v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c. B\u01b0\u1edbc \u0111\u1ea7u \u0111\u00e3 \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 r\u1ed7 r\u1ec7t. <\/p>\n
\u0110\u1ec3 \u0111\u01b0a nhanh c\u00e1c ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt v\u00e0o s\u1ea3n xu\u1ea5t, B\u1ed9 N\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n N\u00f4ng th\u00f4n ban h\u00e0nh “B\u1ea3n h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng Tr\u00e1m tr\u1eafng” nh\u1eb1m gi\u00fap c\u00e1c c\u01a1 s\u1edf k\u1ef9 thu\u1eadt ch\u1ee7 y\u1ebfu v\u1ec1 g\u00e2y tr\u1ed3ng c\u00e2y Tr\u00e1m tr\u1eafng \u0111\u1ec3 g\u00f3p ph\u1ea7n \u0111\u1ea9y m\u1ea1nh c\u00f4ng t\u00e1c tr\u1ed3ng. <\/p>\n
N\u1ed9i dung b\u1ea3n h\u01b0\u1edbng d\u1eabn bao g\u1ed3m: <\/p>\n
Ph\u1ea7n I: \u0110i\u1ec1u ki\u1ec7n g\u00e2y tr\u1ed3ng <\/p>\n
Ph\u1ea7n II: K\u1ef9 thu\u1eadt thu h\u00e1i, b\u1ea3o qu\u1ea3n h\u1ea1t gi\u1ed1ng. <\/p>\n
Ph\u1ea7n III: K\u1ef9 thu\u1eadt t\u1ea1o c\u00e2y con. <\/p>\n
Ph\u1ea7n IV: K\u1ef9 thu\u1eadt t\u1ea1o r\u1eebng <\/p>\n
Ph\u1ea7n V: Ph\u00f2ng t\u1eeb s\u00e2u b\u1ec7nh. <\/p>\n
Ph\u1ea7n VI: Nu\u00f4i d\u01b0\u1ee1ng r\u1eebng <\/p>\n
1. Ph\u1ea1m vi \u00e1p d\u1ee5ng: B\u1ea3n h\u01b0\u1edbng d\u1eabn n\u00e0y quy \u0111\u1ecbnh m\u1ed9t s\u1ed1 n\u1ed9i dung k\u1ef9 thu\u1eadt t\u1eeb kh\u00e2u gi\u1ed1ng, v\u01b0\u1eddn \u01b0\u01a1m, tr\u1ed3ng r\u1eebng \u0111\u1ebfn nu\u00f4i d\u01b0\u1ee1ng nh\u1eb1m ph\u1ee5c v\u1ee5 cho vi\u1ec7c tr\u1ed3ng r\u1eebng ph\u00f2ng h\u1ed9 k\u1ebft h\u1ee3p l\u1ea5y g\u1ed7, qu\u1ea3, nh\u1ef1a v\u00e0 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ed1i v\u1edbi c\u00e1c c\u01a1 s\u1edf qu\u1ed1c doanh, c\u00e1c doanh nghi\u1ec7p t\u01b0 nh\u00e2n v\u00e0 c\u00e1c h\u1ed9 gia \u0111\u00ecnh c\u00f3 nhu c\u1ea7u tr\u1ed3ng c\u00e2y Tr\u00e1m tr\u1eafng. <\/p>\n
Ph\u1ea7n I<\/b> <\/p>\n
\u0110i\u1ec1u ki\u1ec7n g\u00e2y tr\u1ed3ng<\/b> <\/p>\n
2. V\u00f9ng tr\u1ed3ng Tr\u00e1m<\/b> <\/p>\n
V\u00f9ng tr\u1ed3ng Tr\u00e1m tr\u1eafng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh cho c\u00e1c t\u1ec9nh thu\u1ed9c v\u00f9ng T\u00e2y b\u1eafc, Trung t\u00e2m, \u0110\u00f4ng b\u1eafc b\u1ed9, c\u00e1c t\u1ec9nh mi\u1ec1n Trung t\u1eeb Thanh Ho\u00e1 \u0111\u1ebfn B\u00ecnh \u0110\u1ecbnh v\u00e0 hai t\u1ec9nh T\u00e2y Nguy\u00ean l\u00e0 Gia Lai v\u00e0 Kon Tum n\u01a1i c\u00f3 \u0111\u1ed9 cao so v\u1edbi m\u1eb7t bi\u1ec3n t\u1eeb 100-800m, l\u01b0\u1ee3ng m\u01b0a trung b\u00ecnh h\u00e0ng n\u0103m t\u1eeb 1500-2000mm. <\/p>\n
3. \u0110i\u1ec1u ki\u1ec7n \u0111\u1ea5t \u0111ai:<\/b> <\/p>\n
Tr\u00e1m tr\u1eafng th\u00edch h\u1ee3p \u0111\u1ea5t Feralit ph\u00e1t tri\u1ec3n tr\u00ean phi\u1ebfn th\u1ea1ch s\u00e9t, phi\u1ebfn th\u1ea1ch mica v\u00e0 sa phi\u1ebfn th\u1ea1ch c\u00f3 th\u00e0nh ph\u1ea7n c\u01a1 gi\u1edbi t\u1eeb th\u1ecbt nh\u1eb9 \u0111\u1ebfn s\u00e9t nh\u1eb9, t\u1ea7ng \u0111\u1ea5t s\u00e2u, \u1ea9m, tho\u00e1t n\u01b0\u1edbc, gi\u00e0u m\u00f9n v\u00e0 c\u00f3 t\u00ednh ch\u1ea5t \u0111\u1ea5t r\u1eebng. N\u1ebfu tr\u1ed3ng trong v\u01b0\u1eddn h\u1ed9 gia \u0111\u00ecnh c\u00f3 th\u1ec3 tr\u1ed3ng tr\u00ean \u0111\u1ea5t x\u1ea5u h\u01a1n nh\u01b0ng ph\u1ea3i th\u00e2m canh. <\/p>\n
Ph\u1ea7n II<\/b> <\/p>\n
K\u1ef9 thu\u1eadt thu h\u00e1i b\u1ea3o qu\u1ea3n h\u1ea1t gi\u1ed1ng<\/b> <\/p>\n
4. Ch\u1ecdn gi\u1ed1ng:<\/b> <\/p>\n
C\u00e2y l\u1ea5y gi\u1ed1ng ph\u1ea3i l\u00e0 c\u00e2y sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n t\u1ed1t, th\u00e2n th\u1eb3ng, t\u00e1n r\u1ed9ng, kh\u00f4ng b\u1ecb s\u00e2u b\u1ec7nh v\u00e0 \u0111\u00e3 c\u00f3 hai m\u00f9a qu\u1ea3 tr\u1edf l\u00ean (tr\u00ean 9-10 tu\u1ed5i). T\u1ed1t nh\u1ea5t l\u00e0 l\u1ea5y gi\u1ed1ng t\u1eeb c\u00e1c v\u01b0\u1eddn gi\u1ed1ng ho\u1eb7c r\u1eebng gi\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c Nh\u00e0 n\u01b0\u1edbc \u0111\u1ea7u t\u01b0 x\u00e2y d\u1ef1ng. h\u1ea1t gi\u1ed1ng ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c ti\u00eau chu\u1ea9n sau \u0111\u00e2y. <\/p>\n
– \u0110\u01b0\u1eddng k\u00ednh h\u1ea1t t\u1eeb: 1,2-1,5cm. <\/p>\n
– Chi\u1ec1u d\u00e0i h\u1ea1t t\u1eeb: 3,0-3,5cm. <\/p>\n
– Trong 1kg h\u1ea1t c\u00f3 t\u1eeb 450-500 h\u1ea1t. <\/p>\n
– T\u1ef7 l\u1ec7 n\u1ea3y m\u1ea7m \u0111\u1ea1t tr\u00ean 50% <\/p>\n
5. K\u1ef9 thu\u1eadt thu h\u00e1i:<\/b> <\/p>\n
Tr\u00e1m tr\u1eafng ra hoa th\u00e1ng 2,3 qu\u1ea3 ch\u00edn th\u00e1ng 9,10, qu\u1ea3 Tr\u00e1m l\u00fac ch\u00edn chuy\u1ec3n t\u1eeb m\u00e0u xanh sang m\u00e0u v\u00e0ng m\u01a1, \u0103n c\u00f3 v\u1ecb chua ng\u1ecdt, h\u1ea1t c\u00f3 nh\u00e2n m\u00e0u tr\u1eafng. Th\u1eddi v\u1ee5 thu h\u00e1i t\u1ed1t nh\u1ea5t t\u1eeb 25 th\u00e1ng 9 \u0111\u1ebfn 15 th\u00e1ng 10. K\u1ef9 thu\u1eadt thu h\u00e1i ch\u1ee7 y\u1ebfu l\u00e0 ch\u1edd cho h\u1ea1t r\u1ee5ng xu\u1ed1ng g\u1ed1c r\u1ed3i nh\u1eb7t ho\u1eb7c leo l\u00ean c\u00e2y v\u00e0 d\u00f9ng x\u00e0o c\u00f3 bu\u1ed9c m\u00f3c \u1edf \u0111\u1ea7u \u0111\u1ec3 ngo\u1eb7c t\u1eebng ch\u00f9m qu\u1ea3 m\u1ed9t. Tr\u00e1nh vi\u1ec7c ch\u1eb7t c\u00e0nh, ken c\u00e2y l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u0103ng su\u1ea5t qu\u1ea3 m\u00f9a sau. <\/p>\n
6. Ch\u1ebf bi\u1ebfn h\u1ea1t:<\/b> <\/p>\n
Khi thu h\u00e1i v\u1ec1 c\u1ea7n lo\u1ea1i b\u1ecf nh\u1eefng h\u1ea1t b\u00e9, non v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t, sau \u0111\u00f3 ng\u00e2m qu\u1ea3 v\u00e0o n\u01b0\u1edbc n\u00f3ng 60-700<\/sup>C (3 s\u00f4i 2 l\u1ea1nh) trong th\u00f9ng c\u00f3 n\u1eafp \u0111\u1eady k\u00edn. Kho\u1ea3ng 2-3 gi\u1edd th\u00ec v\u1edbt ra v\u00e0 d\u00f9ng dao t\u00e1ch ph\u1ea7n th\u1ecbt qu\u1ea3 \u0111\u1ec3 l\u00e0m th\u1ef1c ph\u1ea9m c\u00f2n h\u1ea1t \u0111em ph\u01a1i d\u01b0\u1edbi n\u1eafng nh\u1eb9 ho\u1eb7c trong b\u00f3ng r\u00e2m cho r\u00e1o n\u01b0\u1edbc r\u1ed3i \u0111\u01b0a v\u00e0o b\u1ea3o qu\u1ea3n. <\/p>\n 7. B\u1ea3o qu\u1ea3n h\u1ea1t gi\u1ed1ng<\/b> <\/p>\n H\u1ea1t sau khi ch\u1ebf bi\u1ebfn song c\u1ea7n \u0111em v\u00e0o b\u1ea3o qu\u1ea3n theo m\u1ed9t trong c\u00e1c ph\u01b0\u01a1ng th\u1ee9c sau: <\/p>\n – B\u1ea3o qu\u1ea3n trong c\u00e1t \u1ea9m: Tr\u1ed9n \u0111\u1ec1u h\u1ea1t trong c\u00e1t \u1ea9m 8-10% v\u1edbi t\u1ef7 l\u1ec7 1 h\u1ea1t\/2 c\u00e1t (t\u00ednh theo th\u1ec3 t\u00edch), sau \u0111\u00f3 vun th\u00e0nh lu\u1ed1ng cao 15-20cm, tr\u00ean m\u1eb7t c\u1ea7n r\u1ea3i th\u00eam 1 l\u1edbp c\u00e1t m\u1ecfng kho\u1ea3ng 2-3cm \u0111\u1ec3 ph\u1ee7 k\u00edn h\u1ea1t Tr\u00e1m. Kho\u1ea3ng 15 ng\u00e0y m\u1ed9t l\u1ea7n \u0111\u1ea3o l\u1ea1i h\u1ea1t v\u00e0 t\u01b0\u1edbi th\u00eam n\u01b0\u1edbc cho \u0111\u1ee7 \u1ea9m (\u0111\u00e1nh gi\u00e1 \u0111\u1ed9 \u1ea9m c\u1ee7a c\u00e1t b\u1eb1ng c\u00e1ch n\u1eafm ch\u1eb7t c\u00e1t trong l\u00f2ng b\u00e0n tay n\u1ebfu c\u00f3 c\u1ea3m gi\u00e1c m\u00e1t v\u00e0 khi bu\u00f4ng tay ra c\u00e1t t\u01a1i ra t\u1eeb t\u1eeb l\u00e0 \u0111\u1ed9 \u1ea9m \u0111\u1ea1t kho\u1ea3ng 8-10%. <\/p>\n – B\u1ea3o qu\u1ea3n kh\u00f4: Hong h\u1ea1t trong r\u00e2m ho\u1eb7c n\u1eafng nh\u1eb9 cho kh\u00f4 ngo\u00e0i v\u1ecf, s\u00e1u \u0111\u00f3 cho v\u00e0o chum, v\u1ea1i s\u00e0nh ho\u1eb7c vun th\u00e0nh \u0111\u1ed1ng \u1edf n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t. <\/p>\n – B\u1ea3o qu\u1ea3n l\u1ea1nh: H\u1ea1t sau khi hong trong r\u00e2m m\u00e1t ho\u1eb7c ph\u01a1i trong n\u1eafng nh\u1eb9 cho kh\u00f4 v\u1ecf r\u1ed3i cho v\u00e0o t\u00fai P.E h\u00e0n k\u00edn v\u00e0 c\u1ea5t gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh 5-100<\/sup>C, ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o qu\u1ea3n n\u00e0y c\u00f3 th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c ph\u1ea9m ch\u1ea5t h\u1ea1t t\u1eeb 5-6 th\u00e1ng. <\/p>\n Ph\u1ea7n III<\/b> <\/p>\n K\u1ef9 thu\u1eadt t\u1ea1o c\u00e2y con<\/b> <\/p>\n 8. Ch\u1ecdn, l\u1eadp v\u01b0\u1eddn \u01b0\u01a1m:<\/b> <\/p>\n Vi\u1ec7c ch\u1ecdn, l\u1eadp v\u01b0\u1eddn \u01b0\u01a1m Tr\u00e1m c\u0169ng gi\u1ed1ng nh\u01b0 c\u00e1c v\u01b0\u1eddn \u01b0\u01a1m c\u00e1c lo\u1ea1i c\u00e2y kh\u00e1c, th\u01b0\u1eddng ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u00e2u \u0111\u00e2y: <\/p>\n – G\u1ea7n n\u01a1i tr\u1ed3ng r\u1eebng v\u00e0 thu\u1eadn ti\u1ec7n cho vi\u1ec7c v\u1eadn chuy\u1ec3n c\u00e2y con. <\/p>\n – V\u01b0\u1eddn \u01b0\u01a1m ph\u1ea3i b\u1eb1ng ph\u1eb3ng, d\u1ecdi n\u1eafng, g\u1ea7n ngu\u1ed3n n\u01b0\u1edbc t\u01b0\u1edbi v\u00e0 kh\u00f4ng b\u1ecb \u00fang ng\u1eadp. <\/p>\n – V\u01b0\u1eddn ph\u1ea3i c\u00f3 h\u00e0o v\u00e0 h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 \u0111\u1ec3 ng\u0103n c\u00e1ch c\u00e1c khu s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p kh\u00e1c, h\u1ea1n ch\u1ebf s\u00e2u b\u1ec7nh l\u00e2y lan. <\/p>\n – \u0110\u1ea5t t\u1ed1t c\u00f2n gi\u1eef \u0111\u01b0\u1ee3c l\u1edbp \u0111\u1ea5t m\u1eb7t, n\u1ebfu \u0111\u1ea5t x\u00e2u ho\u1eb7c \u0111\u00e3 m\u1ea5t l\u1edbp \u0111\u1ea5t m\u1eb7t th\u00ec nh\u1ea5t thi\u1ebft ph\u1ea3i c\u1ea3i t\u1ea1o l\u1ea1i tr\u01b0\u1edbc khi x\u00e2y d\u1ef1ng v\u01b0\u1eddn \u01b0\u01a1m. <\/p>\n 9. T\u1ea1o b\u1ea7u:<\/b> <\/p>\n N\u1ebfu nu\u00f4i c\u00e2y con trong v\u01b0\u1eddn \u01b0\u01a1m 6-7 th\u00e1ng th\u00ec s\u1eed d\u1ee5ng lo\u1ea1i b\u1ea7u P.E c\u1ee1 9x13cm th\u1ee7ng \u0111\u00e1y ho\u1eb7c d\u00e1n \u0111\u00e1y \u0111\u1ee5c l\u1ed7. N\u1ebfu nu\u00f4i c\u00e2y con 9-10 th\u00e1ng th\u00ec s\u1eed d\u1ee5ng lo\u1ea1i b\u1ea7u P.E c\u1ee1 10-15cm d\u00e1n \u0111\u00e1y \u0111\u1ee5c l\u1ed7. Th\u00e0nh ph\u1ea7n ru\u1ed9t b\u1ea7u g\u1ed3m: \u0111\u1ea5t t\u1ea7ng m\u1eb7t +10% ph\u00e2n chu\u1ed3ng hoai + 1% super l\u00e2n. B\u1ea7u \u0111\u00f3ng xong \u0111\u01b0\u1ee3c x\u1ebfp th\u00e0nh lu\u1ed1ng r\u1ed9ng 0,8-1m, m\u1eb7t b\u1ea7u b\u1eb1ng ph\u1eb3ng, l\u1ea5p \u0111\u1ea5t xung quanh 2\/3 b\u1ea7u, ch\u00fa \u00fd l\u1ea5p \u0111\u1ea5t b\u1ed9t v\u00e0o c\u00e1c khe h\u1edf gi\u1eef c\u00e1c b\u1ea7u, c\u00e1c lu\u1ed1ng b\u1ea7u c\u00e1ch nhau 40-60cm \u0111\u1ec3 thu\u1eadn ti\u1ec7n cho vi\u1ec7c \u0111i l\u1ea1i ch\u0103m s\u00f3c c\u00e2y con. <\/p>\n 10. X\u1eed l\u00fd h\u1ea1t:<\/b> <\/p>\n Tr\u01b0\u1edbc khi gieo \u01b0\u01a1m c\u1ea7n ng\u00e2m h\u1ea1t trong n\u01b0\u1edbc l\u00e3 10-12 gi\u1edd, sau \u0111\u00f3 \u0111em \u1ee7 h\u1ea1t trong c\u00e1t \u1ea9m kho\u1ea3ng 15-20% (\u0111\u00e1nh gi\u00e1 \u0111\u1ed9 \u1ea9m c\u1ee7a c\u00e1t b\u1eb1ng c\u00e1ch n\u1eafm c\u00e1t trong tay, b\u00f3p ch\u1eb7t l\u1ea5y n\u01b0\u1edbc r\u1ec9 qua k\u1ebd tay v\u00e0 khi bu\u00f4ng tay ra cat v\u1eabn c\u00f2n \u0111\u1ecbnh h\u00ecnh), t\u1ef7 l\u1ec7 1 h\u1ea1t\/2 c\u00e1t (t\u00ednh theo th\u1ec3 t\u00edch), tr\u1ed9n \u0111\u1ec1u, vun th\u00e0nh lu\u1ed1ng, tr\u00ean c\u00f9ng c\u1ea7n ph\u1ee7 m\u1ed9t l\u1edbp c\u00e1t d\u00e0y 2-3cm, r\u1ed3i d\u00f9ng c\u00e1c v\u1eadt li\u1ec7u nh\u01b0: r\u1ea1, l\u00e1 chu\u1ed1i kh\u00f4,vv… ph\u1ee7 l\u00ean m\u1eb7t \u0111\u1ec3 gi\u1eefu \u1ea9m. Kho\u1ea3ng 20 ng\u00e0y c\u1ea7n \u0111\u1ea3o c\u00e1t \u0111\u1ec3 ki\u1ec3m tra h\u1ea1t, n\u1ebfu th\u1ea5y h\u1ea1t n\u00e0o n\u1ee9t nanh th\u00ec \u0111em gieo v\u00e0o b\u1ea7u. <\/p>\n 11. Gieo \u01b0\u01a1m:<\/b> <\/p>\n Sau khi \u1ee7 kho\u1ea3ng 20 ng\u00e0y th\u00ec ki\u1ec3m tra h\u1ea1t, ch\u1ecdn h\u1ea1t \u0111\u00e3 n\u1ee9t nanh gieo tr\u1ef1c ti\u1ebfp v\u00e0o b\u1ea7u, c\u1ea7n ch\u00fa \u00fd \u0111\u1ec3 h\u1ea1t n\u1eb1m ngang ho\u1eb7c ph\u1ea7n m\u1ea7m nh\u00fa ra kh\u1ecfi h\u1ea1t xu\u1ed1ng d\u01b0\u1edbi v\u00e0 l\u1ea5p \u0111\u1ea5t d\u00e0y 1-2cm. C\u00f3 th\u1ec3 c\u1ea5y c\u00e2y m\u1ea7m v\u00e0o m\u1ea7m l\u00fac m\u1ea7m v\u1eeba t\u00e1ch kh\u1ecfi v\u1ecf h\u1ea1t \u0111\u1ec3 ti\u1ebft ki\u1ec7m gi\u1ed1ng (m\u1ed9t h\u1ea1t Tr\u00e1m c\u00f3 th\u1ec3 m\u1ecdc t\u1eeb 1-2 m\u1ea7m). <\/p>\n Tr\u01b0\u1edbc khi gieo h\u1ea1t ho\u1eb7c c\u1ea5y c\u00e2y c\u1ea7n t\u01b0\u1edbi b\u1ea7u cho \u1ea9m. <\/p>\n 12. Ch\u0103m s\u00f3c c\u00e2y con:<\/b> <\/p>\n a. Che b\u00f3ng cho c\u00e2y:<\/i><\/b> <\/p>\n Sau khi tra h\u1ea1t v\u00e0o b\u1ea7u c\u1ea7n che b\u00f3ng 100% trong kho\u1ea3ng 20 ng\u00e0y \u0111\u1ea7u, sau \u0111\u00f3 gi\u1ea3m \u0111\u1ed9 che s\u00e1ng xu\u1ed1ng 50%. Khi c\u00e2y con \u0111\u00e3 ra 1-2 l\u00e1 th\u1eadt c\u1ea7n gi\u1ea3m \u0111\u1ed9 che s\u00e1ng xu\u1ed1ng 25% (Sau kho\u1ea3ng 2 th\u00e1ng). Nguy\u00ean li\u1ec7u \u0111\u1ec3 d\u00f9ng l\u00e0m d\u00e0n che t\u1ed1t nh\u1ea5t l\u00e0 n\u1ee9a \u0111\u1eadp d\u1eadp v\u00e0 \u0111an th\u00e0nh ph\u00ean. Tr\u01b0\u1edbc khi tr\u1ed3ng 1-2 th\u00e1ng th\u00ec d\u1ee1 b\u1ecf d\u00e0n che, c\u1ea7n ch\u00fa \u00fd ch\u1ecdn ng\u00e0y d\u00e2m m\u00e1t \u0111\u1ec3 d\u1ee1 b\u1ecf, tr\u00e1nh c\u00e2y con b\u1ecb n\u1eafng \u0111\u1ed9t ng\u1ed9t. <\/p>\n b. L\u00e0m c\u1ecf t\u01b0\u1edbi n\u01b0\u1edbc:<\/i><\/b> <\/p>\n Trong kho\u1ea3ng 15 ng\u00e0y \u0111\u1ea7u sau khi tra h\u1ea1t v\u00e0o b\u1ea7u ph\u1ea3i t\u01b0\u1edbi n\u01b0\u1edbc \u0111\u1ec1u \u0111\u1eb7n 1 ng\u00e0y 1 l\u1ea7n, sau \u0111\u00f3 th\u00ec 2 ng\u00e0y t\u01b0\u1edbi 1 l\u1ea7n v\u00e0 duy tr\u00ec vi\u1ec7c t\u01b0\u1edbi n\u01b0\u1edbc cho \u0111\u1ebfn tr\u01b0\u1edbc l\u00fac xu\u00e1t v\u01b0\u1eddn 1 th\u00e1ng, trong kho\u1ea3ng 1 th\u00e1ng \u0111\u1ea7u l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi t\u1eeb 3-4 l\u00edt\/m2<\/sup>, sau \u0111\u00f3 th\u00ec gi\u1ea3m d\u1ea7n (tu\u1ef3 theo \u0111\u1ed9 \u1ea9m c\u1ee7a \u0111\u1ea5t trong b\u1ea7u v\u00e0 th\u1eddi ti\u1ebft), \u0111\u1ea3m b\u1ea3o cho b\u1ea7u lu\u00f4n lu\u00f4n \u1ea9m. Sau 1 th\u00e1ng ph\u1ea3i ti\u1ebfn h\u00e0nh nh\u1ed5 c\u1ecf, ph\u00e1 v\u00e1ng tr\u00ean m\u1eb7t b\u1ea7u, k\u1ebft h\u1ee3p s\u1eeda sang, \u0111i\u1ec1u ch\u1ec9nh cho c\u00e2y m\u1ea7m \u0111\u1ee9ng th\u1eb3ng. V\u00e0o m\u00f9a \u0111\u00f4ng c\u1ea7n \u0111\u1ec1 ph\u00f2ng s\u01b0\u01a1ng mu\u1ed1i cho c\u00e2y con. <\/p>\n c. B\u00f3n ph\u00e2n:<\/i><\/b> <\/p>\n Khi c\u00e2y cao 10-12cm, c\u00f3 t\u1eeb 6-8 l\u00e1 n\u1ebfu th\u1ea5y c\u00e2y v\u00e0ng, sinh tr\u01b0\u1edfng k\u00e9m th\u00ec c\u1ea7n t\u01b0\u1edbi n\u01b0\u1edbc ph\u00e2n NPK ho\u1eb7c ph\u00e2n vi sinh, v\u1edbi t\u1ef7 l\u1ec7 0,2kg ho\u00e0 v\u00e0o 10 l\u00edt n\u01b0\u1edbc, t\u01b0\u1edbi \u0111\u1ec1u cho 3-4m2<\/sup> v\u00e0 c\u00e1ch 10 ng\u00e0y t\u01b0\u1edbi 1 l\u1ea7n, khi n\u00e0o th\u1ea5y l\u00e1 xanh tr\u1edf l\u1ea1i th\u00ec ng\u1eebng t\u01b0\u1edbi. <\/p>\n d. Ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh:<\/i><\/b> <\/p>\n N\u1ebfu tr\u01b0\u1eddng h\u1ee3p c\u00f3 ki\u1ebfn, s\u00e2u cu\u1ed1n l\u00e1 th\u00ec d\u00f9ng Wofatox lo\u1ea1i 5EC pha v\u00e0o n\u01b0\u1edbc v\u1edbi t\u1ef7 l\u1ec7 1\/100 ho\u1eb7c d\u00f9ng Melathion n\u1ed3ng \u0111\u1ed9 0,1% phun \u0111\u1ec1u l\u00ean lu\u1ed1ng. C\u00e1ch 10 ng\u00e0y phun 1 l\u1ea7n, cho \u0111\u1ebfn khi h\u1ebft s\u00e2u th\u00ec ng\u1eebng phun. <\/p>\n e. \u0110\u1ea3o b\u1ea7u:<\/i><\/b> <\/p>\n Sau khi c\u00e2y m\u1ea7m \u0111\u00e3 l\u00ean \u0111\u01b0\u1ee3c 3-5cm (kho\u1ea3ng 1 th\u00e1ng) th\u00ec c\u1ea7n d\u1ed3n l\u1ea1i b\u1ea7u, lo\u1ea1i b\u1ecf nh\u1eefng b\u1ea7u kh\u00f4ng c\u00f3 c\u00e2y \u0111\u1ec3 t\u1eadp trung ch\u0103m s\u00f3c c\u00e2y con. tr\u01b0\u1edbc khi tr\u1ed3ng kho\u1ea3ng 1 th\u00e1ng th\u00ec ti\u1ebfn h\u00e0nh \u0111\u1ea3o b\u1ea7u k\u1ebft h\u1ee3p xen b\u1edbt ph\u1ea7n r\u1ec5 \u0111\u00e2m ra kh\u1ecfi b\u1ea7u, c\u1ea7n ch\u00fa \u00fd \u0111\u1ea3o b\u1ea7u v\u00e0o l\u00fac tr\u1eddi r\u00e2m m\u00e1t v\u00e0 sau khi \u0111\u1ea3o xong c\u1ea7n t\u01b0\u1edbi nhi\u1ec1u n\u01b0\u1edbc cho \u1ea9m b\u1ea7u. <\/p>\n 13. Ti\u00eau chu\u1ea9n c\u00e2y xu\u1ea5t v\u01b0\u1eddn:<\/i><\/b> <\/p>\n N\u1ebfu tr\u1ed3ng t\u1eadp trung, c\u00e2y con xu\u1ea5t v\u01b0\u1eddn \u0111\u1ea1t ti\u00eau chu\u1ea9n sau \u0111\u00e2y: <\/p>\n + Chi\u1ec1u cao c\u00e2y t\u1eeb: 0,30-0,40m <\/p>\n + Tu\u1ed5i c\u00e2y: 9-10 th\u00e1ng <\/p>\n + \u0110\u01b0\u1eddng k\u00ednh g\u1ed1c t\u1eeb: 0,50-0,70cm <\/p>\n + C\u00e2y sinh tr\u01b0\u1edfng b\u00ecnh th\u01b0\u1eddng, ph\u00e1t tri\u1ec3n c\u00e2n \u0111\u1ed1i, kh\u00f4ng b\u1ecb s\u00e2u b\u1ec7nh ho\u1eb7c c\u1ee5t ng\u1ecdn. <\/p>\n Ph\u1ea7n IV<\/b> <\/p>\n K\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng<\/b> <\/p>\n 14. Ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng r\u1eebng to\u00e0n di\u1ec7n c\u00f3 k\u1ebft h\u1ee3p c\u00e2y che ph\u1ee7 \u0111\u1ea5t<\/i><\/b> <\/p>\n a. X\u1eed l\u00fd th\u1ef1c b\u00ec v\u00e0 chu\u1ea9n b\u1ecb \u0111\u1ea5t:<\/i><\/b> <\/p>\n Th\u1ef1c b\u00ec \u0111\u01b0\u1ee3c ph\u00e1t d\u1ecdn s\u1ea1ch tr\u01b0\u1edbc th\u1eddi v\u1ee5 tr\u1ed3ng t\u1eeb 2-3 th\u00e1ng, n\u01a1i \u00edt d\u1ed1c, th\u1ef1c b\u00ec \u0111\u01b0\u1ee3c d\u1ea3i \u0111\u1ec1u v\u00e0 \u0111\u1ed1t n\u01a1i d\u1ed1c tr\u00ean 200<\/sup> th\u00ec b\u0103m nh\u1ecf c\u00e0nh nh\u00e1nh, x\u1ebfp th\u00e0nh h\u00e0ng theo \u0111\u01b0\u1eddng \u0111\u1ed3ng m\u1ee9c (kh\u00f4ng \u0111\u1ed1t). Sau \u0111\u00f3 ti\u1ebfn h\u00e0nh cu\u1ed1c h\u1ed1, k\u00edch th\u01b0\u1edbc h\u1ed1 40x40cm. Tr\u01b0\u1edbc khi tr\u1ed3ng 1\/2-1 th\u00e1ng th\u00ec l\u1ea5p h\u1ed1 v\u00e0 k\u1ebft h\u1ee3p b\u00f3n ph\u00e2n (n\u1ebfu c\u00f3). Khi l\u1ea5p h\u1ed1 c\u1ea7n ch\u00fa \u00fd l\u1ea5p l\u1edbp \u0111\u1ea5t m\u1eb7t xuo\u00f3ng tr\u01b0\u1edbc v\u00e0 \u0111\u1eadp cho t\u01a1i nh\u1ecf, l\u01b0\u1ee3ng \u0111\u1ea5t l\u1ea5p v\u00e0o ph\u1ea3i \u0111\u1ea7y h\u1ed1, gi\u1eefa t\u00e2m h\u1ed1 ph\u1ea3i cao h\u01a1n mi\u1ec7ng h\u1ed1 t\u1eeb 3-5cm. <\/p>\n b. Tr\u1ed3ng c\u00e2y che ph\u1ee7 \u0111\u1ea5t<\/i><\/b> <\/p>\n Tr\u00e1m tr\u1eafng l\u00e0 c\u00e2y \u01b0a b\u00f3ng l\u00fac nh\u1ecf, do v\u1eady sau khi x\u1eed l\u00fd th\u1ef1c b\u00ec c\u1ea7n t\u1ea1o l\u1edbp c\u00e2y che ph\u1ee7\u0111\u1ea5t \u0111\u1ec3 che b\u00f3ng cho c\u00e2y con m\u1edbi tr\u1ed3ng. C\u00e2y che ph\u1ee7 \u0111\u1ea5t th\u00edch h\u1ee3p nh\u1ea5t l\u00e0: <\/p>\n – T\u1ea1o l\u1edbp th\u1ef1c b\u00ec ph\u1ee5c h\u1ed3i t\u1ef1 nhi\u00ean (c\u00e2y g\u1ed7, c\u00e2y b\u1ee5i) c\u00f3 chi\u1ec1u cao t\u1eeb 0,5-0,7m tr\u01b0\u1edbc l\u00fac \u0111\u01b0a c\u00e2y Tr\u00e1m v\u00e0o tr\u1ed3ng. <\/p>\n – Gieo 1 h\u00e0ng c\u00e2y C\u1ed1t kh\u00ed ho\u1eb7c c\u00e2y \u0110\u1eadu tr\u00e0m gi\u1eefa hai h\u00e0ng Tr\u00e1m (C\u1ed1t kh\u00ed gieo theo r\u1ea1ch, s\u1ed1 h\u1ea1t kho\u1ea3ng 10kg\/1ha, \u0110\u1eadu tr\u00e0m gieo theo h\u1ed1 c\u1ef1 ly 1m\/h\u1ed1). <\/p>\n c. M\u1eadt \u0111\u1ed9 tr\u1ed3ng<\/i><\/b> <\/p>\n M\u1eadt \u0111\u1ed9 tr\u1ed3ng th\u00edch h\u1ee3p \u0111\u1ed1i v\u1edbi c\u00e2y Tr\u00e1m l\u00e0 1600-2000 c\u00e2y\/ha (3m x 2m, 2,5m x 2m). Trong \u0111\u00f3 Tr\u00e1m tr\u1eafng chi\u1ebfm 50%. C\u01a1 c\u1ea5u c\u00e2y tr\u00ean ha \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed nh\u01b0 sau: H\u1ed7n giao theo h\u00e0ng Tr\u00e1m + Keo c\u00e1c lo\u1ea1i (t\u1ef7 l\u1ec7 1:1). h\u1ed7n giao theo h\u00e0ng c\u00e2y b\u1ea3n \u0111\u1ecba + Keo c\u00e1c lo\u1ea1i (tr\u00ean h\u00e0ng c\u00e2y b\u1ea3n \u0111\u1ecba b\u1ed1 tr\u00ed h\u1ed7n giao theo c\u00e2y Tr\u00e1m + Lim x\u1eb9t, Gi\u1ebb cau t\u1ef7 l\u1ec7 2\/3 Tr\u00e1m + 1\/3 c\u00e2y kh\u00e1c). <\/p>\n d. K\u1ef9 thu\u1eadt tr\u1ed3ng<\/i><\/b> <\/p>\n Tr\u1ed3ng b\u1eb1ng c\u00e2y con c\u00f3 b\u1ea7u l\u00e0m b\u1eb1ng polyetylen \u0111\u00e3 \u0111\u01b0\u1ee3c \u01b0\u01a1m \u1edf v\u01b0\u1eddn \u01b0\u01a1m t\u1eeb 9-12 th\u00e1ng. L\u00fac tr\u1ed3ng c\u1ea7n r\u1ea1ch b\u1ecf v\u1ecf b\u1ea7u, l\u1ea5p \u0111\u1ea5t \u0111\u1ebfn c\u1ed5 r\u1ec5 v\u00e0 d\u1eabm ch\u1eb7t \u0111\u1ea5t. C\u1ed1 g\u1eafng \u0111i\u1ec1u ch\u1ec9nh cho tr\u1ee5c th\u00e2n c\u00e2y \u0111\u1ee9ng th\u1eb3ng. <\/p>\n e. Th\u1eddi v\u1ee5 tr\u1ed3ng<\/i><\/b> <\/p>\n – C\u00e1c t\u1ec9nh ph\u00eda B\u1eafc t\u1eeb Thanh Ho\u00e1 tr\u1edf ra c\u00f3 th\u1ec3 tr\u1ed3ng \u0111\u01b0\u1ee3c c\u1ea3 2 v\u1ee5, v\u1ee5 xu\u00e2n v\u00e0o th\u00e1ng 3-4 v\u00e0 v\u1ee5 thu v\u00e0o th\u00e1ng 8-9. <\/p>\n – C\u00e1c t\u1ec9nh mi\u1ec1n Trung T\u00e2y Nguy\u00ean n\u00ean tr\u1ed3ng v\u00e0o v\u1ee5 thu kho\u1ea3ng th\u00e1ng 8 \u0111\u1ebfn th\u00e1ng 9. <\/p>\n N\u00ean ch\u1ecdn nh\u1eefng ng\u00e0y c\u00f3 th\u1eddi ti\u1ebft r\u00e2m m\u00e1t, c\u00f3 m\u01b0a \u0111\u1ec3 tr\u1ed3ng c\u00e2y. <\/p>\n f. Ch\u0103m s\u00f3c r\u1eebng tr\u1ed3ng<\/i><\/b> <\/p>\n R\u1eebng tr\u1ed3ng c\u1ea7n ch\u0103m s\u00f3c li\u1ec1n trong 3 n\u0103m \u0111\u1ea7u (kh\u00f4ng k\u1ec3 n\u0103m tr\u1ed3ng), th\u1eddi gian v\u00e0 k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3 nh\u01b0 sau: <\/p>\n * N\u0103m th\u1ee9 nh\u1ea5t:<\/i> <\/p>\n Ch\u0103m s\u00f3c 4 l\u1ea7n v\u00e0o c\u00e1c th\u00e1ng 2,5,8,11 trong \u0111\u00f3 2 l\u1ea7n x\u1edbi x\u00e0o quanh g\u1ed1c v\u00e0o th\u00e1ng 5,11;1 l\u1ea7n ph\u00e1t c\u1ee5c b\u1ed9 quanh g\u1ed1c \u0111\u01b0\u1eddng k\u00ednh r\u1ed9ng 1m v\u00e0o th\u00e1ng 2 v\u00e0 1 l\u1ea7n ph\u00e1t to\u00e0n di\u1ec7n v\u00e0o th\u00e1ng 8. <\/p>\n * N\u0103m th\u1ee9 2,3<\/i> m\u1ed7i n\u0103m ch\u0103m s\u00f3c 3 l\u1ea7n v\u00e0o th\u00e1ng 2, th\u00e1ng 6 v\u00e0 th\u00e1ng 10, trong \u0111\u00f3 2 l\u1ea7n lu\u1ed7ng ph\u00e1t v\u00e0o th\u00e1ng 2, th\u00e1ng 6 v\u00e0 th\u00e1ng 10, trong \u0111\u00f3 2 l\u1ea7n lu\u1ed1ng ph\u00e1t v\u00e0o th\u00e1ng 2 v\u00e0 th\u00e1ng 6, 1 l\u1ea7n x\u1edbi x\u00e1o vun g\u1ed1c v\u00e0o th\u00e1ng 10. <\/p>\n 15. Ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng theo r\u1ea1ch \u0111\u1ec3 l\u00e0m gi\u00e0u r\u1eebng t\u1ef1 nhi\u00ean ngh\u00e8o ki\u1ec7t ho\u1eb7c c\u1ea3i t\u1ea1o r\u1eebng ph\u00f2ng h\u1ed9 k\u00e9m ph\u1ea9m ch\u1ea5t:<\/i><\/b> <\/p>\n a. X\u1eed l\u00fd th\u1ef1c b\u00ec v\u00e0 l\u00e0m \u0111\u1ea5t<\/i><\/b> <\/p>\n H\u1ea1 chi\u1ec1u cao c\u1ee7a t\u1ea7ng r\u1eebng c\u0169 xu\u1ed1ng 5-6cm, m\u1edf c\u00e1c r\u1ea1ch c\u00e1ch \u0111\u1ec1u nhau theo \u0111\u01b0\u1eddng \u0111\u1ed3ng m\u1ee9c, c\u1ef1 ly gi\u1eefa c\u00e1c t\u00e2m r\u1ea1ch c\u00e1ch nhau 10m. Tr\u00ean c\u00e1c r\u1ea1ch ph\u00e1t d\u1ecdn h\u1ebft th\u1ef1c b\u00ec, \u0111\u1ed9 r\u1ed9ng c\u1ee7a r\u1ea1ch 3-4m. Thi\u1ebft k\u1ebf tr\u1ed3ng 1 h\u00e0ng c\u00e2y ch\u00ednh gi\u1eefa r\u1ea1ch, c\u1ef1 ly c\u00e1ch nhau 2m. K\u00edch th\u01b0\u1edbc h\u1ed1 40x40x40cm. <\/p>\n b. M\u1eadt \u0111\u1ed9 tr\u1ed3ng<\/i><\/b> <\/p>\n M\u1eadt \u0111\u1ed9 tr\u1ed3ng t\u1eeb 400-500 c\u00e2y\/ha, kho\u1ea3ng c\u00e1ch 10-2m. <\/p>\n c. K\u1ef9 thu\u1eadt tr\u1ed3ng<\/i><\/b> <\/p>\n \u00e1p d\u1ee5ng \u0111i\u1ec1u 14.c <\/p>\n d. Th\u1eddi v\u1ee5 tr\u1ed3ng<\/i><\/b> <\/p>\n \u00e1p d\u1ee5ng \u0111i\u1ec1u 14.e <\/p>\n e. K\u1ef9 thu\u1eadt ch\u0103m s\u00f3c<\/i><\/b> <\/p>\n \u00e1p d\u1ee5ng \u0111i\u1ec1u 14.g. Nh\u01b0ng c\u1ea7n l\u01b0u \u00fd th\u00eam khi ch\u0103m s\u00f3c ch\u1ec9 ti\u1ebfn h\u00e0nh tr\u00ean r\u1ea1ch c\u00f3 k\u1ebft h\u1ee3p ph\u00e1t nh\u1eefng c\u00e0nh nh\u00e1nh c\u1ee7a r\u1eebng c\u0169 2 b\u00ean r\u1ea1ch \u0111\u1ec3 m\u1edf s\u00e1ng cho c\u00e2y con m\u1edbi tr\u1ed3ng. T\u1eeb n\u0103m th\u1ee9 2 tr\u1edf \u0111i m\u1ed7i n\u0103m lu\u1ed7ng ph\u00e1t d\u00e2y leo c\u00e2y b\u1ee5i 1 l\u1ea7n \u1edf c\u00e1c b\u0103ng ch\u1eeba \u0111\u1ec3 x\u00fac ti\u1ebfn t\u00e1i sinh t\u1ef1 nhi\u00ean. <\/p>\n Ph\u1ea7n V<\/i><\/b> <\/p>\n Ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh<\/i><\/b> <\/p>\n 16. \u0110i\u1ec1u tra d\u1ef1 b\u00e1o s\u00e2u h\u1ea1i<\/b> <\/p>\n Tr\u00e1m tr\u1eafng th\u01b0\u1eddng b\u1ecb s\u00e2u v\u00f2i voi xanh ph\u00e1 h\u1ea1i (c\u1ea3 giai \u0111o\u1ea1n s\u00e2u non v\u00e0 s\u00e2u tr\u01b0\u1edfng th\u00e0nh). S\u00e2u tr\u01b0\u1edfng th\u00e0nh th\u01b0\u1eddng d\u00f9ng v\u00f2i \u0111\u1ee5c xung quanh ng\u1ecdn c\u00e2y th\u00e0nh c\u00e1c l\u1ed7 \u0111\u1ec3 h\u00fat ch\u1ea5t dinh d\u01b0\u1ee1ng v\u00e0 sau \u0111\u00f3 \u0111\u1ebb tr\u1ee9ng v\u00e0o l\u1ed7 \u0111\u1ee5c, tr\u1ee9ng n\u1edf th\u00e1nh s\u00e2u non, s\u00e2u non chui v\u00e0o th\u00e2n ng\u1ecdn tr\u00e1m \u0111\u1ec3 ph\u00e1 h\u1ea1i. Khi s\u00e2u non chui ra ngo\u00e0i c\u0169ng l\u00e0 l\u00fac ng\u1ecdn Tr\u00e1m b\u1ecb h\u00e9o, c\u00e2y Tr\u00e1m b\u1ecb t\u1ed5n th\u01b0\u01a1ng. S\u00e2u tr\u01b0\u1edfng th\u00e0nh xu\u1ea5t hi\u1ec7n t\u1eadp trung v\u00e0o kho\u1ea3ng th\u00e1ng 4-9, th\u1eddi gian n\u00e0y c\u1ea7n t\u1ed5 ch\u1ee9c c\u00e1c \u0111\u1ee3t \u0111i\u1ec1u tra \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u00e2u h\u1ea1i k\u1ecbp th\u1eddi \u0111\u1ec1 xu\u1ea5t bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb. Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tra \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 b\u1ed1 tr\u00ed c\u00e1c tuy\u1ebfn \u0111i\u1ec3n h\u0129nhuy\u00ean qua r\u1eebng, ti\u1ebfn h\u00e0nh th\u1ed1ng k\u00ea s\u1ed1 l\u01b0\u1ee3ng c\u00e2y h\u1ea1i v\u00e0 m\u1ee9c \u0111\u1ed9 b\u1ecb h\u1ea1i tr\u00ean tuy\u1ebfn t\u1eeb \u0111\u00f3 suy ra cho to\u00e0n r\u1eebng. <\/p>\n 17. Ph\u00f2ng tr\u1eeb s\u00e2u h\u1ea1i<\/b> <\/p>\n Khi ph\u00e1t hi\u1ec7n c\u00f3 s\u00e2u h\u1ea1i c\u1ea7n \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb sau \u0111\u00e2y: <\/p>\n – Ng\u1eaft nh\u1eefng l\u00e1 Tr\u00e1m, b\u00fap Tr\u00e1m \u0111\u00e3 b\u1ecb s\u00e2u tr\u01b0\u1edfng th\u00e1nh ph\u00e1 h\u1ea1i \u0111em \u0111\u1ed1t \u0111\u1ec3 di\u1ec7t h\u1ebft tr\u1ee9ng s\u00e2u non. <\/p>\n – D\u00f9ng \u0111\u00e8n b\u1eaby s\u00e2u tr\u01b0\u1edfng th\u00e0nh v\u00e0o bu\u1ed5i t\u1ed1i. <\/p>\n – Rung t\u1eebng c\u00e2y Tr\u00e1m \u0111\u1ec3 s\u00e2u tr\u01b0\u1edfng th\u00e0nh r\u01a1i v\u00e0 gi\u1ebft. <\/p>\n – D\u00f9ng Wofatox n\u1ed3ng \u0111\u1ed9 0,2-0,5% phun \u0111\u1ec1u v\u00e0o ng\u1ecdn v\u00e0 l\u00e1 nh\u1eefng c\u00e2y c\u00f3 s\u00e2u h\u1ea1i. <\/p>\n Ph\u1ea7n VI<\/b> <\/p>\n Nu\u00f4i d\u01b0\u1ee1ng v\u00e0 khai th\u00e1c<\/b> <\/p>\n 18. Nu\u00f4i d\u01b0\u1ee1ng r\u1eebng<\/b> <\/p>\n Sau khi r\u1eebng \u0111\u00e3 kh\u00e9p t\u00e1n (5-6 n\u0103m) th\u00ec b\u1eaft \u0111\u1ea7u chuy\u1ec3n sang giai \u0111o\u1ea1n nu\u00f4i d\u01b0\u1ee1ng. K\u1ef9 thu\u1eadt nu\u00f4i d\u01b0\u1ee1ng ch\u1ee7 y\u1ebfu l\u00e0 t\u1ec9a th\u01b0a \u0111\u1ec3 g\u1ea3i quy\u1ebft nhu c\u1ea7u \u00e1nh s\u00e1ng v\u00e0 kh\u00f4ng gian dinh d\u01b0\u1ee1ng cho c\u00e2y Tr\u00e1m. Th\u1eddi gian t\u1ec9a th\u01b0a l\u1ea7n \u0111\u1ea7u c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh sau n\u0103m th\u1ee9 6 (c\u00e2y Tr\u00e1m \u0111\u00e3 giao t\u00e1n), tu\u1ef3 thu\u1ed9c v\u00e0o m\u1eadt \u0111\u1ed9 tr\u1ed3ng v\u00e0 ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1eddi gian t\u1ec9a v\u00e0 s\u1ed1 l\u1ea7n t\u1ec9a. C\u00f3 th\u1ec3 d\u1ef1 ki\u1ebfn c\u00e1c l\u1ea7n t\u1ec9a cho t\u1eebng ph\u01b0\u01a1ng th\u1ee9c nh\u01b0 sau: <\/p>\n – \u0110\u1ed1i v\u1edbi r\u1eebng tr\u1ed3ng t\u1eadp trung: L\u1ea7n t\u1ec9a \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m th\u1ee9 6,7, m\u1eadt \u0111\u1ed9 \u0111\u1ec3 l\u1ea1i kho\u1ea3ng 700-8– c\u00e2y\/ha. L\u1ea7n hai v\u00e0o n\u0103m th\u1ee9 10,11 m\u1eadt \u0111\u1ed9 \u0111\u1ec3 l\u1ea1i kho\u1ea3ng 500-600 c\u00e2y\/ha. L\u1ea7n ba v\u00e0o n\u0103m th\u1ee9 15-16, m\u1eadt \u0111\u1ed9 c\u00f2n l\u1ea1i (m\u1eadt \u0111\u1ed9 cu\u1ed1i c\u00f9ng) l\u00e0 250-300 c\u00e2y\/ha. <\/p>\n – \u0110\u1ed1i v\u1edbi c\u00e2y tr\u1ed3ng ph\u00e2n t\u00e1n th\u00ec kh\u00f4ng c\u1ea7n t\u1ec9a v\u00ec kho\u1ea3ng c\u00e1ch tr\u1ed3ng ban \u0111\u1ea7u l\u00e0 kho\u1ea3ng c\u00e1ch cu\u1ed1i c\u00f9ng. <\/p>\n","protected":false},"excerpt":{"rendered":" H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng c\u00e2y tr\u00e1m tr\u1eafng
\n(Canarium album Raeusch)
\nL\u1eddi n\u00f3i \u0111\u1ea7u
\nTr\u00e1m tr\u1eafng (Canarium album Raeusch), thu\u1ed9c h\u1ecd Tr\u00e1m (Burseraceae) l\u00e0 c\u00e2y g\u1ed7 l\u1edbn b\u1ea3n \u0111\u1ecba c\u00f3 chi\u1ec1u cao t\u1eeb 20-30m, \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c t\u1eeb 50-70cm, th\u00e2n tr\u00f2n th\u1eb3ng, t\u00e1n l\u00e1 r\u1ed9ng v\u00e0 xanh quanh n\u0103m. G\u1ed7 m\u1ec1m, nh\u1eb9, th\u1edb m\u1ecbn, d\u1ec5 b\u00f3c v\u00e0 d\u1ec5 l\u1ea1ng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong x\u00e2y d\u1ef1ng nh\u00e0 c\u1eeda, l\u00e0m nguy\u00ean li\u1ec7u g\u1ed7 d\u00e1n, b\u1ed9t gi\u1ea5y v\u00e0 c\u1ee7i \u0111un. Nh\u1ef1a Tr\u00e1m d\u00f9ng \u0111\u1ec3 ch\u01b0ng c\u1ea5t tinh d\u1ea7u, ch\u1ebf bi\u1ebfn c\u00f4l\u00f4phan d\u00f9ng trong c\u00f4ng ngh\u1ec7 n\u01b0\u1edbc hoa, x\u00e0 ph\u00f2ng, v\u00e9c ni. Qu\u1ea3 Tr\u00e1m l\u00e0m th\u1ee9c \u0103n, ch\u1ebf bi\u1ebfn \u00f4 mai, l\u00e0m thu\u1ed1c ch\u1eefa ho, gi\u1ea3i r\u01b0\u1ee3u v\u00e0 gi\u1ea3i \u0111\u1ed9c.
\nTr\u00e1m ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean \u1edf Trung Qu\u1ed1c, L\u00e0o, Th\u00e1i Lan, v\u00f9ng bi\u1ec3n Ng\u00e0… \u1edf Vi\u1ec7t Nam Tr\u00e1m tr\u1eafng m\u1ecdc r\u1ea3i r\u00e1c trong r\u1eebng t\u1ef1 nhi\u00ean \u1edf c\u00e1c t\u1ec9nh ph\u00eda B\u1eafc, khu IV c\u0169 v\u00e0 v\u00f9ng B\u1eafc T\u00e2y Nguy\u00ean \u1edf \u0111\u1ed9 cao t\u1eeb 100-800m so v\u1edbi m\u1eb7t bi\u1ec3n.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/394"}],"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=394"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/394\/revisions"}],"predecessor-version":[{"id":8628,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/394\/revisions\/8628"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=394"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=394"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}