{"id":487,"date":"2005-07-16T07:18:11","date_gmt":"2005-07-16T07:18:11","guid":{"rendered":"http:\/\/vafs.dungnq.local\/2005\/07\/16\/huong-dan-ky-thuat-trong-sau-ghep\/"},"modified":"2019-09-24T11:07:50","modified_gmt":"2019-09-24T04:07:50","slug":"huong-dan-ky-thuat-trong-sau-ghep","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/huong-dan-ky-thuat-trong-sau-ghep\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt tr\u1ed3ng S\u1ea5u gh\u00e9p"},"content":{"rendered":"

Nguy\u1ec5n B\u00e1 Tri\u1ec7u<\/i><\/b><\/p>\n

Tr\u1ea1m th\u1ef1c nghi\u1ec7m KHKTLN T\u00e2n L\u1ea1c, Ho\u00e0 B\u00ecnh<\/i><\/p>\n

Trung t\u00e2m<\/i>\u1ee9ng d\u1ee5ng KHKT L\u00e2m nghi\u1ec7p<\/i><\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/i><\/p>\n

T\u00ean khoa h\u1ecdc:<\/b> Dracontomelum duperreanum <\/i>Pierre<\/p>\n

H\u1ecd Xo\u00e0i ( Anacardiaceae<\/i> )<\/p>\n

1. \u0110\u1eb7c \u0111i\u1ec3m sinh th\u00e1i v\u00e0 ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean <\/b><\/p>\n

S\u1ea5u l\u00e0 lo\u00e0i c\u00e2y th\u00e2n g\u1ed7 l\u1edbn cao 25 -30m \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c \u0111\u1ea1t t\u1eeb 80 – 100cm, g\u1ed1c c\u00f3 b\u1ea1nh v\u00e8 s\u1ea7n s\u00f9i, v\u1ecf m\u00e0u x\u00e1m \u0111en bong m\u1ea3ng l\u1edbn, c\u00e0nh non ph\u1ee7 l\u00f4ng m\u00e0u n\u00e2u, l\u01b0ng ho\u1eb7c n\u00e1ch l\u00e1 ph\u1ee7 l\u00f4ng m\u00e0u v\u00e0ng n\u00e2u.<\/p>\n

L\u00e1 k\u00e9p l\u00f4ng chim m\u1ed9t l\u1ea7n l\u1ebb, l\u00e1 ch\u00e9t m\u1ecdc c\u00e1ch, m\u1eb7t tr\u00ean xanh v\u00e0 b\u00f3ng, c\u00f3 v\u1ecb chua thanh, c\u00e2y th\u01b0\u1eddng xanh .<\/p>\n

Hoa l\u01b0\u1ee1ng t\u00ednh m\u00e0u xanh v\u00e0ng c\u00f3 5 \u0111\u00e0i 10 nh\u1ecb.<\/p>\n

Qu\u1ea3 h\u1ea1ch h\u00ecnh c\u1ea7u b\u1eb9t l\u00fac non c\u00f3 m\u00e0u xanh khi ch\u00edn ng\u1ea3 sang m\u00e0u v\u00e0ng, th\u1ecbt qu\u1ea3 kh\u00f4ng r\u00f3c.<\/p>\n

H\u1ea1t c\u1ee9ng ho\u00e1 g\u1ed7 b\u1ec1 m\u1eb7t h\u1ea1t s\u1ea7n s\u00f9i .<\/p>\n

Ra hoa v\u00e0o th\u00e1ng 4 – 5 qu\u1ea3 ch\u00edn v\u00e0o th\u00e1ng 8 – 9.<\/p>\n

S\u1ea5u m\u1ecdc t\u1ef1 nhi\u00ean trong r\u1eebng h\u1ed7n giao l\u00e1 r\u1ed9ng th\u01b0\u1eddng xanh v\u00f9ng \u0111\u1ed3i n\u00fai v\u00e0 trung du c\u00e1c t\u1ec9nh mi\u1ec1n B\u1eafc v\u00e0 mi\u1ec1n Trung, l\u00e0 c\u00e2y \u01b0a s\u00e1ng, hay g\u1eb7p \u1edf t\u1ea7ng c\u00e2y cao. S\u1ea5u \u01b0a \u0111\u1ea5t c\u00f3 t\u1ea7ng \u0111\u1ea5t d\u00e0y, \u1ea9m m\u00e1t nh\u01b0ng tho\u00e1t n\u01b0\u1edbc t\u1ed1t.<\/p>\n

G\u1ed7 S\u1ea5u c\u00f3 m\u00e0u nh\u1ea1t, d\u1ebbo, n\u1eb7ng, t\u1ef7 tr\u1ecdng 0,53 th\u1edb m\u1ecbn v\u00e2n \u0111\u1eb9p, \u00edt m\u1ed1i m\u1ecdt \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u v\u00e0o \u0111\u00f3ng \u0111\u1ed3 gia d\u1ee5ng, trong c\u00f4ng ngh\u1ec7 l\u00e0m v\u00e1n \u00e9p, v\u00e1n l\u1ea1ng.<\/p>\n

Gi\u00e1 tr\u1ecb kinh t\u1ebf l\u1edbn nh\u1ea5t c\u1ee7a c\u00e2y S\u1ea5u l\u00e0 qu\u1ea3. Qu\u1ea3 S\u1ea5u c\u00f3 v\u1ecb chua thanh d\u00f9ng l\u00e0m gia v\u1ecb, n\u01b0\u1edbc u\u1ed1ng gi\u1ea3i kh\u00e1t, ch\u1ebf bi\u1ebfn b\u00e1nh k\u1eb9o \u00f4 mai. Trung b\u00ecnh m\u1ed7i c\u00e2y S\u1ea5u tr\u01b0\u1edfng th\u00e0nh ( 8-10 tu\u1ed5i ) cho t\u1eeb 100 -200 kg qu\u1ea3\/n\u0103m, hoa v\u00e0 qu\u1ea3 S\u1ea5u c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m thu\u1ed1c ch\u1eefa s\u00e2u r\u0103ng.<\/p>\n

2. H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt gh\u00e9p s\u1ea5u <\/b><\/p>\n

2.1. Chu\u1ea9n b\u1ecb d\u1ee5ng c\u1ee5 gh\u00e9p:<\/i><\/b><\/p>\n

– Dao gh\u00e9p:<\/i> dao c\u00f3 b\u1ea3n m\u1ecfng, s\u1eafc nh\u1ecdn, s\u1ea1ch, t\u1ed1t nh\u1ea5t l\u00e0 l\u00e0m t\u1eeb th\u00e9p tr\u1eafng.<\/p>\n

– K\u00e9o c\u1eaft c\u00e0nh:<\/i> s\u1eafc, b\u00e9n, s\u1ea1ch.<\/p>\n

– \u0110\u00e1 m\u00e0i:<\/i> \u0111\u00e1 m\u00e0i c\u00f3 th\u1edb m\u1ecbn \u0111\u1ec3 khi m\u00e0i \u0111\u1ea3m b\u1ea3o l\u01b0\u1ee1i dao c\u00f3 \u0111\u1ed9 m\u1ecfng cao, kh\u00f4ng c\u00f3 v\u1ebft s\u01b0\u1edbc, khi c\u1eaft g\u1ed1c v\u00e0 c\u00e0nh gh\u00e9p cho m\u1eb7t c\u1eaft ph\u1eb3ng m\u1ecbn v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n

– B\u0103ng nil\u00f4ng chuy\u00ean d\u1ee5ng<\/i>.<\/p>\n

2.2. T\u1ea1o g\u1ed1c gh\u00e9p<\/i><\/b><\/p>\n

– \u0110\u00f3ng b\u1ea7u:<\/i> C\u1ea7n t\u00ednh to\u00e1n \u0111\u1ebfn k\u00edch c\u1ee1 t\u00fai b\u1ea7u sao cho ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u dinh d\u01b0\u1ee1ng c\u1ee7a c\u00e2y con cho t\u1edbi th\u1eddi \u0111i\u1ec3m c\u00e2y gh\u00e9p \u0111\u1ea1t ti\u00eau chu\u1ea9n \u0111em tr\u1ed3ng v\u00e0 thu\u1eadn ti\u1ec7n nh\u1ea5t cho v\u1eadn chuy\u1ec3n v\u00e0 tr\u1ed3ng. V\u1edbi c\u00e2y S\u1ea5u ch\u1ecdn b\u1ea7u 16 x18cm l\u00e0 h\u1ee3p l\u00fd.<\/p>\n

H\u1ed7n h\u1ee3p ru\u1ed9t b\u1ea7u: g\u1ed3m 84% \u0111\u1ea5t m\u1eb7t v\u01b0\u1eddn \u01b0\u01a1m ho\u1eb7c \u0111\u1ea5t d\u01b0\u1edbi r\u1eebng, 15% ph\u00e2n chu\u1ed3ng hoai, 1% l\u00e2n, tr\u1ed9n k\u1ef9 r\u1ed3i \u0111\u00f3ng b\u1ea7u x\u1ebfp th\u00e0nh lu\u1ed1ng.<\/p>\n

– X\u1eed l\u00fd h\u1ea1t v\u00e0 gieo \u01b0\u01a1m:<\/i> Ng\u00e2m h\u1ea1t v\u00e0o n\u01b0\u1edbc s\u00f4i kho\u1ea3ng 2 – 3 gi\u1edd r\u1ed3i v\u1edbt ra \u0111em \u1ee7 v\u00e0o c\u00e1t \u1ea9m, th\u01b0\u1eddng xuy\u00ean t\u01b0\u1edbi n\u01b0\u1edbc gi\u1eef \u1ea9m. Sau 7 – 10 ng\u00e0y h\u1ea1t b\u1eaft \u0111\u1ea7u n\u1ea3y m\u1ea7m, \u0111em c\u1ea5y v\u00e0o b\u1ea7u.<\/p>\n

– Ch\u0103m s\u00f3c c\u00e2y con: <\/i>Th\u01b0\u1eddng xuy\u00ean t\u01b0\u1edbi n\u01b0\u1edbc gi\u1eef \u1ea9m, ph\u00e1 v\u00e1ng m\u1eb7t b\u1ea7u. Sau kho\u1ea3ng 12 – 18 th\u00e1ng c\u00e2y con c\u00f3 th\u1ec3 d\u00f9ng l\u00e0m g\u1ed1c gh\u00e9p.<\/p>\n

– Ti\u00eau chu\u1ea9n g\u1ed1c gh\u00e9p:<\/i> c\u00e2y \u0111\u01b0\u1ee3c gieo \u01b0\u01a1m l\u00e0m g\u1ed1c gh\u00e9p sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n t\u1ed1t, \u0111\u1ea1t D00<\/sub> \u22650,8cm hay D0,3<\/sub>\u22650,6cm, c\u00e2y th\u1eb3ng, sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n t\u1ed1t, th\u01b0\u1eddng ph\u1ea3i \u01b0\u01a1m nu\u00f4i t\u1eeb 12-18 th\u00e1ng.<\/p>\n

2.3. Ch\u1ecdn c\u00e2y m\u1eb9:<\/i><\/b><\/p>\n

\u0110\u1ec3 ch\u1ecdn c\u00e2y m\u1eb9 ch\u00fang ta ph\u1ea3i \u0111i\u1ec1u tra to\u00e0n b\u1ed9 lo\u00e0i c\u00e2y trong khu v\u1ef1c ho\u1eb7c c\u00e1c v\u00f9ng l\u00e2n c\u1eadn. C\u00e2y m\u1eb9 \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0 c\u00e2y sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n t\u1ed1t, h\u00ecnh th\u00e1i t\u00e1n \u0111\u1ec1u, \u0111\u00e3 ra hoa k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh \u0111\u01b0\u1ee3c 3-5 n\u0103m tr\u1edf l\u00ean; chu k\u1ef3 sai qu\u1ea3 h\u00e0ng n\u0103m, qu\u1ea3 to, ngon, ch\u00edn \u0111\u1ec1u, kh\u00f4ng s\u00e2u b\u1ec7nh\u2026<\/p>\n

2.4. Ch\u1ecdn c\u00e0nh gh\u00e9p<\/i><\/b><\/p>\n

\u0110\u1ebfn th\u1eddi v\u1ee5 gh\u00e9p, ch\u1ecdn nh\u1eefng c\u00e0nh b\u00e1nh t\u1ebb \u1edf kho\u1ea3ng gi\u1eefa c\u1ee7a t\u00e1n l\u00e1, n\u01a1i tho\u00e1ng gi\u00f3, \u00e1nh s\u00e1ng \u0111\u1ea7y \u0111\u1ee7, kh\u00f4ng s\u00e2u b\u1ec7nh, c\u00e0nh \u00edt n\u1ed1t s\u1ea7n s\u00f9i, nh\u1ea5t l\u00e0 \u0111o\u1ea1n d\u1ef1 \u0111\u1ecbnh c\u1eaft gh\u00e9p. Sau khi \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c c\u00e0nh gh\u00e9p ta d\u00f9ng dao ho\u1eb7c k\u00e9o s\u1eafc c\u1eaft c\u00e0nh.<\/p>\n

2.5. Ch\u1ecdn th\u1eddi v\u1ee5 gh\u00e9p<\/i><\/b><\/p>\n

\u0110\u1ed1i v\u1edbi S\u1ea5u th\u1eddi v\u1ee5 gh\u00e9p t\u1ed1t nh\u1ea5t l\u00e0 \u0111\u1ea7u m\u00f9a sinh tr\u01b0\u1edfng, tr\u01b0\u1edbc khi c\u00e2y ra hoa v\u00e0o th\u00e1ng 1, 2. Ngo\u00e0i ra c\u00f3 th\u1ec3 gh\u00e9p v\u00e0o th\u00e1ng 8 – 9 khi c\u00e2y chu\u1ea9n b\u1ecb thu h\u00e1i qu\u1ea3 ho\u1eb7c v\u1eeba thu h\u00e1i xong, ch\u01b0a ra l\u00e1 non.<\/p>\n

2.6. Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p:<\/i><\/b><\/p>\n

C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p nh\u01b0ng v\u1edbi S\u1ea5u th\u00ec hi\u1ec7u qu\u1ea3 h\u01a1n c\u1ea3 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u00eam v\u00e0 gh\u00e9p \u00e1p.<\/p>\n

a.) Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u00eam:<\/i><\/p>\n

D\u00f9ng dao gh\u00e9p ch\u1ebb ngay gi\u1eefa g\u1ed1c gh\u00e9p, c\u00e0nh gh\u00e9p \u0111\u01b0\u1ee3c c\u1eaft v\u00e1t nh\u1ecdn hai m\u1eb7t, \u0111\u1eb7t c\u00e0nh gh\u00e9p v\u00e0o ch\u1ed7 ch\u1ebb c\u1ee7a g\u1ed1c gh\u00e9p sao cho d\u1ea3i t\u01b0\u1ee3ng t\u1ea7ng (l\u00e0 l\u1edbp n\u1eb1m gi\u1eefa v\u1ecf v\u00e0 g\u1ed7) c\u1ee7a g\u1ed1c gh\u00e9p v\u00e0 c\u00e0nh gh\u00e9p tr\u00f9ng kh\u00edt nhau. D\u00f9ng d\u00e2y nil\u00f4ng chuy\u00ean d\u1ee5ng bu\u1ed9c ch\u1eb7t v\u00e0 k\u00edn v\u1ebft gh\u00e9p, sau \u0111\u00f3 d\u1ea3i nil\u00f4ng qu\u1ea5n 1 l\u1edbp bao k\u00edn to\u00e0n b\u1ed9 c\u00e0nh gh\u00e9p (\u0111\u1ec3 tr\u00e1nh s\u1ef1 tho\u00e1t h\u01a1i n\u01b0\u1edbc c\u0169ng nh\u01b0 tr\u00e1nh b\u1ecb \u00f4xy ho\u00e1 c\u00e1c v\u1ebft c\u1eaft tr\u00ean c\u00e0nh gh\u00e9p khi g\u1eb7p ph\u1ea3i n\u01b0\u1edbc m\u01b0a hay s\u01b0\u01a1ng). Tr\u01b0\u1eddng h\u1ee3p g\u1ed1c gh\u00e9p l\u1edbn c\u00f3 th\u1ec3 \u0111\u1eb7t 2 c\u00e0nh gh\u00e9p tr\u00ean m\u1ed9t g\u1ed1c gh\u00e9p.<\/p>\n

b.) Gh\u00e9p \u00e1p:<\/i><\/p>\n

C\u1eaft v\u00e1t 2 b\u00ean c\u1ee7a c\u00e0nh gh\u00e9p v\u00e0 g\u1ed1c gh\u00e9p, \u0111\u1ed9 s\u00e2u v\u1ebft c\u1eaft \u1edf g\u1ed1c gh\u00e9p kh\u00f4ng qu\u00e1 1\/ 3 \u0111\u01b0\u1eddng k\u00ednh th\u00e2n c\u00e2y, \u00e9p c\u00e0nh gh\u00e9p v\u00e0 g\u1ed1c gh\u00e9p sao cho t\u1ed1i thi\u1ec3u m\u1ed9t b\u00ean c\u1ee7a d\u1ea3i t\u01b0\u1ee3ng t\u1ea7ng c\u1ee7a c\u00e0nh gh\u00e9p v\u00e0 g\u1ed1c gh\u00e9p tr\u00f9ng kh\u00edt v\u1edbi nhau, sau \u0111\u00f3 d\u00f9ng b\u0103ng nil\u00f4ng bu\u1ed9c ch\u1eb7t k\u00edn to\u00e0n b\u1ed9 v\u1ebft gh\u00e9p, qu\u1ea5n m\u1ed9t l\u01b0\u1ee3t nil\u00f4ng l\u00ean ph\u1ea7n c\u00e0nh gh\u00e9p \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t n\u01b0\u1edbc \u1edf c\u00e0nh gh\u00e9p.<\/p>\n

Ch\u00fa \u00fd<\/u><\/i>:<\/i>Sau khi gh\u00e9p kh\u00f4ng \u0111\u01b0\u1ee3c t\u01b0\u1edbi qu\u00e1 \u1ea9m ngay, kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng v\u00f2i phun v\u1edbi \u00e1p l\u1ef1c m\u1ea1nh ho\u1eb7c d\u00f9ng tay lung lay c\u00e0nh gh\u00e9p. C\u00e0nh gh\u00e9p sau 10 – 15 ng\u00e0y s\u1ebd b\u1eaft \u0111\u1ea7u n\u1ea3y m\u1ea7m, giai \u0111o\u1ea1n n\u00e0y c\u1ea7n ch\u0103m s\u00f3c c\u1ea9n th\u1eadn.<\/p>\n

2.7. Ch\u0103m s\u00f3c c\u00e2y sau khi gh\u00e9p:<\/i><\/b><\/p>\n\n\n\n
C\u00e2y S\u1ea5u gh\u00e9p \u0111\u01b0\u1ee3c 4 th\u00e1ng tu\u1ed5i<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e2y gh\u00e9p sau khi \u0111\u00e3 n\u1ea3y m\u1ea7m, th\u1eddi gian \u0111\u1ea7u l\u00e1 c\u00f2n non n\u00ean th\u01b0\u1eddng xuy\u00ean t\u01b0\u1edbi n\u01b0\u1edbc \u1ea9m, d\u00f9ng \u00f4roa phun nh\u1eb9, kh\u00f4ng d\u00f9ng m\u00e1y b\u01a1m phun tr\u1ef1c ti\u1ebfp l\u00ean c\u00e0nh gh\u00e9p, tr\u00e1nh nh\u1eefng va ch\u1ea1m v\u00ec s\u1ef1 li\u00ean k\u1ebft \u1edf m\u1ed1i gh\u00e9p c\u00f2n y\u1ebfu, c\u00e2y d\u1ec5 nhi\u1ec5m b\u1ec7nh.<\/p>\n

Sau khi n\u1ea3y m\u1ea7m kho\u1ea3ng 1 th\u00e1ng c\u00f3 th\u1ec3 t\u01b0\u1edbi ph\u00e2n v\u00e0 ch\u0103m s\u00f3c b\u00ecnh th\u01b0\u1eddng.<\/p>\n

C\u00e2y gh\u00e9p sau 6-12 th\u00e1ng c\u00f3 th\u1ec3 \u0111em tr\u1ed3ng \u0111\u01b0\u1ee3c.<\/p>\n

3.<\/b> Tr\u1ed3ng v\u00e0 ch\u0103m s\u00f3c r\u1eebng tr\u1ed3ng c\u00e2y s\u1ea5u gh\u00e9p.<\/b><\/p>\n

3.1. Tr\u1ed3ng c\u00e2y:<\/i><\/b><\/p>\n

– Ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng<\/i>: C\u00e2y S\u1ea5u gh\u00e9p c\u00f3 th\u1ec3 tr\u1ed3ng thu\u1ea7n lo\u00e0i ho\u1eb7c tr\u1ed3ng h\u1ed7n giao, v\u1edbi c\u1ef1 ly tr\u1ed3ng l\u00e0 6 x 6 m ho\u1eb7c 6 x 8m, n\u01a1i \u0111\u1ea5t c\u00f3 t\u1ea7ng d\u1ea7y v\u00e0 \u1ea9m.<\/p>\n

– Th\u1eddi v\u1ee5 tr\u1ed3ng:<\/i> Th\u1eddi v\u1ee5 tr\u1ed3ng S\u1ea5u gh\u00e9p tr\u00f9ng v\u1edbi th\u1eddi v\u1ee5 tr\u1ed3ng r\u1eebng c\u1ee7a m\u1ed7i \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n

– \u0110\u00e0o h\u1ed1:<\/i>\u0110\u00e0o h\u1ed1 v\u1edbi k\u00edch th\u01b0\u1edbc: chi\u1ec1u d\u00e0i x chi\u1ec1u r\u1ed9ng x chi\u1ec1u s\u00e2u l\u00e0: 60 x 60 x 60cm.<\/p>\n

– B\u00f3n ph\u00e2n:<\/i>B\u00f3n cho m\u1ed7i h\u1ed1 5 kg ph\u00e2n chu\u1ed3ng hoai v\u00e0 0,2 kg l\u00e2n r\u1ed3i tr\u1ed9n \u0111\u1ec1u v\u1edbi 1\/3 l\u01b0\u1ee3ng \u0111\u1ea5t trong h\u1ed1. Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi tr\u1ed3ng 15 ng\u00e0y.<\/p>\n

– K\u1ef9 thu\u1eadt tr\u1ed3ng:<\/i>D\u00f9ng dao s\u1eafc r\u1ea1ch b\u1ecf t\u00fai b\u1ea7u nil\u00f4ng, \u0111\u1eb7t c\u00e2y \u1edf t\u01b0 th\u1ebf th\u1eb3ng \u0111\u1ee9ng v\u00e0 l\u1ea5p \u0111\u1ea5t (tr\u01b0\u1edbc khi tr\u1ed3ng n\u00ean l\u00f3t t\u1eeb 2 – 5cm \u0111\u1ea5t s\u1ea1ch m\u1edbi \u0111\u1eb7t c\u00e2y tr\u1ed3ng tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng r\u1ec5 non v\u1eeba ra g\u1eb7p ph\u00e2n b\u1ecb s\u00f3t l\u00e0m ch\u1ebft c\u00e2y), vun \u0111\u1ea5t \u0111\u1ea7y g\u1ed1c v\u00e0 n\u00e9n ch\u1eb7t. D\u00f9ng 3 c\u1ecdc (ho\u1eb7c que) th\u1eb3ng ch\u1ed1ng cho c\u00e2y \u0111\u01b0\u1ee3c gi\u1eef v\u1eefng, tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng b\u1ecb gi\u00f3 ho\u1eb7c gia s\u00fac, gia c\u1ea7m l\u00e0m \u0111\u1ed5, g\u00e3y. Sau khi tr\u1ed3ng t\u01b0\u1edbi \u0111\u1eabm n\u01b0\u1edbc v\u00e0o g\u1ed1c c\u00e2y \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh c\u00e2y tr\u1ed3ng. N\u1ebfu g\u1eb7p th\u1eddi ti\u1ebft kh\u00f4, n\u1eafng c\u1ea7n ph\u1ea3i l\u00e0m gi\u00e0n che cho c\u00e2y.<\/p>\n

3.2. Ch\u0103m s\u00f3c r\u1eebng tr\u1ed3ng<\/i><\/b><\/p>\n

– \u0110\u1ecbnh k\u1ef3 ph\u00e1t c\u00e2y b\u1ee5i, d\u00e2y leo gi\u00fap cho c\u00e2y kh\u00f4ng b\u1ecb d\u00e2y leo th\u00edt ngh\u1eb9t v\u00e0 t\u1ea1o kh\u00f4ng gian dinh d\u01b0\u1ee1ng thu\u1eadn l\u1ee3i cho c\u00e2y sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n t\u1ed1t.<\/p>\n

– Sau khi ph\u00e1t d\u1ecdn, ti\u1ebfn h\u00e0nh vun x\u1edbi xung quanh g\u1ed1c v\u1edbi \u0111\u01b0\u1eddng k\u00ednh 0,8 \u2013 1m gi\u00fap cho \u0111\u1ea5t xung quanh g\u1ed1c c\u00e2y \u0111\u01b0\u1ee3c t\u01a1i x\u1ed1p, tho\u00e1ng kh\u00ed v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u00f4ng b\u1ecb c\u00e1c c\u00e2y b\u1ee5i, c\u1ecf c\u1ea1nh tranh ch\u1ea5t dinh d\u01b0\u1ee1ng. M\u1ed7i n\u0103m vun x\u1edbi t\u1eeb 2 – 3 l\u1ea7n.<\/p>\n

– H\u00e0ng n\u0103m sau khi ph\u00e1t d\u1ecdn vun x\u1edbi xung quanh g\u1ed1c c\u00e2y, ti\u1ebfn h\u00e0nh b\u00f3n ph\u00e2n. Tu\u1ef3 theo s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y m\u00e0 ta b\u00f3n li\u1ec1u l\u01b0\u1ee3ng kh\u00e1c nhau, khi b\u00f3n r\u1ea1ch th\u00e0nh r\u00e3nh xung quanh c\u00e2y theo h\u00ecnh chi\u1ebfu c\u1ee7a t\u00e1n c\u00e2y, cho ph\u00e2n r\u1ea3i \u0111\u1ec1u xu\u1ed1ng r\u00e3nh, sau \u0111\u00f3 l\u1ea5p k\u00edn ph\u00e2n v\u00e0 t\u01b0\u1edbi n\u01b0\u1edbc. Trong 2- 3 n\u0103m \u0111\u1ea7u, m\u1ed7i n\u0103m b\u00f3n 2 \u2013 3 l\u1ea7n, m\u1ed7i l\u1ea7n 0,2 \u2013 0,5 kg NPK. Khi c\u00e2y l\u1edbn l\u01b0\u1ee3ng ph\u00e2n b\u00f3n t\u0103ng d\u1ea7n.<\/p>\n","protected":false},"excerpt":{"rendered":"

S\u1ea5u l\u00e0 lo\u00e0i c\u00e2y th\u00e2n g\u1ed7 l\u1edbn cao 25 -30m \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c \u0111\u1ea1t t\u1eeb 80 – 100cm, g\u1ed1c c\u00f3 b\u1ea1nh v\u00e8 s\u1ea7n s\u00f9i, v\u1ecf m\u00e0u x\u00e1m \u0111en bong m\u1ea3ng l\u1edbn, c\u00e0nh non ph\u1ee7 l\u00f4ng m\u00e0u n\u00e2u, l\u01b0ng ho\u1eb7c n\u00e1ch l\u00e1 ph\u1ee7 l\u00f4ng m\u00e0u v\u00e0ng n\u00e2u. <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/487"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=487"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/487\/revisions"}],"predecessor-version":[{"id":19109,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/487\/revisions\/19109"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}