Tr\u1ed3ng n\u1ea5m h\u00ad\u01b0\u01a1ng tr\u00ean c\u00e2y g\u1ed7<\/b> <\/p>\n
a. Ch\u1ecdn g\u1ed7<\/b> <\/p>\n
Nh\u00ecn chung c\u00e1c lo\u1ea1i g\u1ed7 kh\u00f4ng c\u00f3 tinh d\u1ea7u, c\u00e2y c\u00f2n t\u01b0\u01a1i t\u1ed1t, kh\u00f4ng s\u00e2u b\u1ec7nh \u0111\u1ec1u tr\u1ed3ng n\u1ea5m h\u00ad\u01b0\u01a1ng \u0111\u00ad\u01b0\u1ee3c. Nh\u00f3m g\u1ed7 th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ec3 n\u1ea5m h\u01b0\u00ad\u01a1ng sinh tr\u01b0\u00ad\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n cho n\u0103ng su\u1ea5t cao, ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t l\u00e0 g\u1ed7 s\u1ed3i, d\u1ebb, sau sau… V\u00e0o \u0111\u1ea7u m\u00f9a xu\u00e2n h\u00e0ng n\u0103m (th\u00e1ng 4 d\u01b0\u00ad\u01a1ng l\u1ecbch ho\u1eb7c th\u00e1ng 10 v\u00e0 th\u00e1ng 11) ti\u1ebfn h\u00e0nh ch\u1eb7t g\u1ed7. L\u1ef1a ch\u1ecdn nh\u1eefng \u0111o\u1ea1n g\u1ed7 th\u1eb3ng, c\u1eaft th\u00e0nh kh\u00fac c\u00f3 \u0111\u01b0\u00ad\u1eddng k\u00ednh t\u1eeb 5-20cm, chi\u1ec1u d\u00e0i 1,0-1,2m. Kh\u00f4ng l\u00e0m s\u00e2y x\u00e1t l\u1edbp v\u1ecf. \u0110\u1ec3 g\u1ed7 trong nh\u00e0 tho\u00e1ng m\u00e1t, s\u1ea1ch s\u1ebd, sau 5-9 ng\u00e0y l\u00e0 tr\u1ed3ng \u0111\u00ad\u01b0\u1ee3c. <\/p>\n
b. C\u1ea5y gi\u1ed1ng v\u00e0 \u00ad\u01b0\u01a1m:<\/b> <\/p>\n
– C\u00e1c \u0111o\u1ea1n g\u1ed7 \u0111\u1ea1t ti\u00eau chu\u1ea9n nh\u00ad\u01b0 tr\u00ean \u0111em r\u1eeda s\u1ea1ch, d\u00f9ng n\u01b0\u00ad\u1edbc v\u00f4i \u0111\u1eb7c qu\u00e9t hai \u0111\u1ea7u \u0111o\u1ea1n g\u1ed7. L\u1ea5y b\u00faa chuy\u00ean d\u00f9ng ho\u1eb7c khoan t\u1ea1o l\u1ed7 tr\u00ean \u0111o\u1ea1n g\u1ed7, \u0111\u01b0\u00ad\u1eddng k\u00ednh l\u1ed7 1,5cm, s\u00e2u 3-4cm, c\u1ee9 c\u00e1ch 15-20cm t\u1ea1o m\u1ed9t l\u1ed7; h\u00e0ng n\u1ecd c\u00e1ch h\u00e0ng kia 7-10cm; c\u00e1c l\u1ed7 so le nhau. <\/p>\n
Tra gi\u1ed1ng n\u1ea5m g\u1ea7n \u0111\u1ea7y mi\u1ec7ng l\u1ed7, l\u01b0\u00ad\u1ee3ng gi\u1ed1ng d\u00f9ng 3kg\/1m3<\/sup>, d\u00f9ng phoi g\u1ed7 \u0111\u00e3 t\u1ea1o ra l\u00e0m n\u1eafp \u0111\u1eady (chi\u1ec1u d\u00e0y b\u1eb1ng chi\u1ec1u d\u00e0y c\u1ee7a v\u1ecf c\u00e2y), l\u1ea5p k\u00edn l\u1edbp gi\u1ed1ng c\u1ea5y. Ph\u00eda ngo\u00e0i d\u00f9ng xi m\u0103ng h\u00f2a th\u00e0nh b\u1ed9t gi\u1ed1ng nh\u01b0\u00ad v\u1eefa tr\u00e1t tw\u1eddng qu\u00e9t tr\u00ean mi\u1ec7ng n\u1eafp \u0111\u1ec3 b\u1ecbt k\u00edn mi\u1ec7ng l\u1ed7. <\/p>\n – X\u1ebfp g\u1ed7 theo ki\u1ec3u “c\u0169i l\u1ee3n” th\u00e0nh \u0111\u1ed1ng, c\u00e1ch m\u1eb7t \u0111\u1ea5t 15-20cm cao 1,5m, chi\u1ec1u d\u00e0i t\u00f9y theo kh\u1ed1i l\u00ad\u01b0\u1ee3ng g\u1ed7 \u0111em tr\u1ed3ng. Ph\u00eda tr\u00ean c\u00f9ng d\u00f9ng bao t\u1ea3i gai d\u1ea5p \u01b0\u1edbt \u0111\u1ec3 r\u00e1o n\u01b0\u00ad\u1edbc ph\u1ee7 k\u00edn to\u00e0n b\u1ed9 \u0111\u1ed1ng \u1ee7. <\/p>\n – H\u00e0ng ng\u00e0y ch\u0103m s\u00f3c \u0111\u1ed1ng \u1ee7, ch\u1ee7 y\u1ebfu l\u00e0 t\u00ad\u1edbi n\u01b0\u00ad\u1edbc. L\u00ad\u01b0\u1ee3ng n\u01b0\u00ad\u1edbc t\u01b0\u00ad\u1edbi ch\u1ec9 \u0111\u1ee7 \u01b0\u00ad\u1edbt l\u1edbp bao t\u1ea3i. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng t\u01b0\u00ad\u1edbi nhi\u1ec1u, n\u01b0\u00ad\u1edbc s\u1ebd th\u1ea5m s\u00e2u v\u00e0o th\u00e2n g\u1ed7 l\u00e0m ch\u1ebft gi\u1ed1ng. T\u1ed1t nh\u1ea5t n\u00ean \u01b0\u00ad\u01a1m trong nh\u00e0 tho\u00e1ng m\u00e1t, tr\u00e1nh m\u00ad\u01b0a n\u1eafng. Th\u1eddi gian \u01b0\u00ad\u01a1m k\u00e9o d\u00e0i 6-16 th\u00e1ng (t\u00f9y thu\u1ed9c theo t\u1eebng ch\u1ee7ng lo\u1ea1i g\u1ed7). C\u1ee9 2 th\u00e1ng l\u1ea1i ti\u1ebfn h\u00e0nh \u0111\u1ea3o \u0111\u1ed1ng g\u1ed7 m\u1ed9t l\u1ea7n. Khi \u0111\u1ea3o c\u1ea7n ki\u1ec3m tra \u0111\u1ed9 \u1ea9m c\u1ee7a g\u1ed7. N\u1ebfu th\u1ea5y g\u1ed7 qu\u00e1 kh\u00f4 c\u1ea7n d\u00f9ng b\u00ecnh \u0111\u1ec3 phun n\u00ad\u01b0\u1edbc nh\u1eb9 xung quanh th\u00e2n g\u1ed7, sau \u0111\u00f3 m\u1edbi \u1ee7 \u0111\u1ed1ng l\u1ea1i. <\/p>\n Trong th\u1eddi gian \u00ad\u01b0\u01a1m c\u1ea7n ph\u00f2ng tr\u1eeb m\u1ed9t s\u1ed1 lo\u1ea1i s\u00e2u b\u1ec7nh h\u1ea1i n\u1ea5m: c\u00e1 lo\u1ea1i n\u1ea5m m\u1ed1c, c\u00f4n tr\u00f9ng, chu\u1ed9t… Khi ph\u00e1t hi\u1ec7n c\u00e1c \u0111o\u1ea1n g\u1ed7 b\u1ecb b\u1ec7nh c\u1ea7n \u0111\u1ec3 c\u00e1ch ly kh\u1ecfi \u0111\u1ed1ng \u1ee7 nh\u1eb1m tr\u00e1nh l\u00e2y lan sang c\u00e1c \u0111o\u1ea1n g\u1ed7 kh\u00e1c. <\/p>\n c. Ch\u0103m s\u00f3c, thu h\u00e1i n\u1ea5m:<\/b> <\/p>\n Khi k\u1ebft th\u00fac giai \u0111o\u1ea1n \u01b0\u00ad\u01a1m, n\u1ea5m h\u00ad\u01b0\u01a1ng b\u1eaft \u0111\u1ea7u h\u00ecnh th\u00e0nh qu\u1ea3 th\u1ec3. Quan s\u00e1t tr\u00ean b\u1ec1 m\u1eb7t th\u00e2n g\u1ed7 c\u00f3 nh\u1eefng ch\u1ea5m m\u00e0u h\u1ed3ng nh\u1ea1t, ch\u00fang l\u1edbn d\u1ea7n nh\u01b0\u00ad h\u1ea1t ng\u00f4 v\u00e0 h\u00ecnh th\u00e0nh n\u00ean c\u00e2y n\u1ea5m ho\u00e0n ch\u1ec9nh. D\u1ef1ng \u0111\u1ee9ng th\u00e2n g\u1ed7, x\u1ebfp theo ki\u1ec3u gi\u00e1 s\u00fang, h\u00e0ng n\u1ecd c\u00e1ch h\u00e0ng kia 50-60cm. C\u00f3 th\u1ec3 x\u1ebfp g\u1ed7 trong nh\u00e0 c\u00f3 m\u00e1i che, tho\u00e1ng m\u00e1t, \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed cao, \u00e1nh s\u00e1ng khuy\u1ebfch t\u00e1n. Tr\u01b0\u00ad\u1eddng h\u1ee3p \u0111\u01a1n gi\u1ea3n h\u01a1n c\u00f3 th\u1ec3 \u0111\u1ec3 ngo\u00e0i tr\u1eddi, tr\u00ean l\u00e0m th\u00e0nh gi\u00e0n “ki\u1ec3u gi\u00e0n m\u00ad\u1edbp”, ph\u1ee7 b\u1eb1ng l\u00e1 m\u00eda, b\u1eb9 ng\u00f4, l\u00e1 c\u00e2y… t\u1ea1o b\u00f3ng m\u00e1t, chung quanh qu\u00e2y k\u00edn \u0111\u1ec3 tr\u00e1nh gi\u00f3 l\u00f9a tr\u1ef1c ti\u1ebfp. <\/p>\n H\u00e0ng ng\u00e0y ti\u1ebfn h\u00e0nh t\u00ad\u1edbi n\u00ad\u01b0\u1edbc nh\u1eb9 v\u00e0i l\u1ea7n tr\u1ef1c ti\u1ebfp l\u00ean th\u00e2n g\u1ed7. <\/p>\n Khi n\u1ea5m \u0111\u1ee7 l\u1edbn th\u00ec b\u1eaft \u0111\u1ea7u h\u00e1i. D\u00f9ng tay tr\u00e1i \u0111\u00e8 l\u00ean \u0111i\u1ec3m g\u1ea7n cu\u1ed1ng, tay ph\u1ea3i xoay nh\u1eb9 “c\u00e2y n\u1ea5m”, kh\u00f4ng \u0111\u1ec3 s\u00f3t ph\u1ea7n cu\u1ed1ng c\u00f2n l\u1ea1i. H\u00e1i n\u1ea5m xong c\u1eaft b\u1ecf ph\u1ea7n g\u1ed1c b\u00e1m v\u00e0o th\u00e2n g\u1ed7. Ti\u00eau th\u1ee5 \u1edf d\u1ea1ng t\u00ad\u01a1i ho\u1eb7c s\u1ea5y kh\u00f4 (t\u00ad\u01b0\u01a1ng t\u1ef1 \u1edf ph\u1ea7n tr\u00ean). C\u1ee9 kho\u1ea3ng 2 th\u00e1ng m\u1ed9t l\u1ea7n c\u1ea7n \u0111\u1ea3o \u0111\u1ea7u \u0111o\u1ea1n g\u1ed7 tr\u00ean quay xu\u1ed1ng d\u01b0\u00ad\u1edbi \u0111\u1ec3 \u0111\u1ed9 \u1ea9m trong th\u00e2n g\u1ed7 \u0111\u1ec1u h\u01a1n. <\/p>\n Qu\u00e1 tr\u00ecnh ch\u0103m s\u00f3c, thu h\u00e1i n\u1ea5m li\u00ean t\u1ee5c nh\u01b0\u00ad v\u1eady trong kho\u1ea3ng th\u1eddi gian 2-3 n\u0103m. N\u0103ng su\u1ea5t trung b\u00ecnh khi k\u1ebft th\u00fac to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh thu h\u00e1i \u0111\u1ea1t 15-20 kg n\u1ea5m kh\u00f4\/1m3<\/sup> g\u1ed7. <\/p>\n d. M\u1ed9t s\u1ed1 \u0111i\u1ec3m l\u00ad\u01b0u \u00fd trong qu\u00e1 tr\u00ecnh tr\u1ed3ng n\u1ea5m h\u01b0\u00ad\u01a1ng \u1edf Vi\u1ec7t <\/b>Nam<\/b>:<\/b> <\/p>\n N\u1ea5m h\u00ad\u01b0\u01a1ng l\u00e0 m\u1ed9t lo\u1ea1i n\u1ea5m c\u00f3 chu k\u1ef3 sinh tr\u00ad\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n trong m\u1ed9t th\u1eddi gian kh\u00e1 d\u00e0i, th\u00edch h\u1ee3p v\u1edbi kh\u00ed h\u1eadu v\u00f9ng \u00f4n \u0111\u1edbi. \u1edf Vi\u1ec7t Nam ch\u1ec9 c\u00f3 m\u1ed9t s\u1ed1 \u0111\u1ecba ph\u01b0\u00ad\u01a1ng nh\u01b0\u00ad: \u0110\u00e0 L\u1ea1t, SaPa, Tam \u0110\u1ea3o l\u00e0 nh\u1eefng n\u01a1i c\u00f3 \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu thu\u1eadn l\u1ee3i cho vi\u1ec7c nu\u00f4i tr\u1ed3ng n\u1ea5m h\u00ad\u01b0\u01a1ng quanh n\u0103m. M\u1ed9t s\u1ed1 t\u1ec9nh bi\u00ean gi\u1edbi nh\u01b0\u00ad Cao B\u1eb1ng, H\u00e0 Giang, L\u1ea1ng S\u01a1n v\u00e0 c\u00e1c t\u1ec9nh \u0111\u1ed3ng b\u1eb1ng B\u1eafc B\u1ed9 c\u00f3 th\u1ec3 tr\u1ed3ng \u0111\u01b0\u1ee3c n\u1ea5m h\u00ad\u01b0\u01a1ng nh\u01b0\u00adng th\u1eddi gian thu h\u00e1i n\u1ea5m r\u1ea5t ng\u1eafn (t\u1eeb 3-6 th\u00e1ng\/n\u0103m), v\u00ec v\u1eady n\u0103ng su\u1ea5t thu ho\u1ea1ch s\u1ebd th\u1ea5p. Vi\u1ec7c t\u00ednh to\u00e1n th\u1eddi gian nu\u00f4i tr\u1ed3ng \u0111\u1ec3 khi n\u1ea5m ra g\u1eb7p \u0111\u00fang th\u1eddi ti\u1ebft l\u1ea1nh l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft. <\/p>\n – Khi tr\u1ed3ng tr\u00ean th\u00e2n c\u00e2y g\u1ed7, th\u1eddi gian thu ho\u1ea1ch ch\u1ec9 \u0111\u01b0\u00ad\u1ee3c 3-6 th\u00e1ng\/n\u0103m, nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed cao tr\u00ean 20oC<\/sup> c\u1ea7n x\u1ebfp g\u1ecdn g\u1ed7 l\u1ea1i r\u1ed3i \u00ad\u01b0\u01a1m nh\u01b0\u00ad l\u00fac ban \u0111\u1ea7u m\u1edbi c\u1ea5y gi\u1ed1ng \u0111\u1ebfn \u0111\u00fang chu k\u1ef3 l\u1ea1nh n\u0103m sau ti\u1ebfp t\u1ee5c t\u00ad\u1edbi n\u00ad\u01b0\u1edbc v\u00e0 thu h\u00e1i. <\/p>\n Th\u1eddi gian b\u1eaft \u0111\u1ea7u tr\u1ed3ng (c\u1ea5y gi\u1ed1ng) n\u1ea5m h\u01b0\u00ad\u01a1ng t\u1eeb th\u00e1ng 10 \u0111\u1ebfn th\u00e1ng 4 d\u01b0\u00ad\u01a1ng l\u1ecbch l\u00e0 t\u1ed1t nh\u1ea5t (tr\u1ed3ng tr\u00ean c\u00e2y g\u1ed7) (n\u1ebfu tr\u1ed3ng tr\u00ean m\u00f9n c\u00ad\u01b0a t\u1eeb th\u00e1ng 10 \u0111\u1ebfn th\u00e1ng 1 n\u0103m sau). <\/p>\n Ngu\u1ed3n: Ph\u00f2ng K\u1ebf ho\u1ea1ch Khoa h\u1ecdc<\/i> <\/p><\/p>\n","protected":false},"excerpt":{"rendered":" a. Ch\u1ecdn g\u1ed7
\nNh\u00ecn chung c\u00e1c lo\u1ea1i g\u1ed7 kh\u00f4ng c\u00f3 tinh d\u1ea7u, c\u00e2y c\u00f2n t\u01b0\u01a1i t\u1ed1t, kh\u00f4ng s\u00e2u b\u1ec7nh \u0111\u1ec1u tr\u1ed3ng n\u1ea5m h\u01b0\u01a1ng \u0111\u01b0\u1ee3c. Nh\u00f3m g\u1ed7 th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ec3 n\u1ea5m h\u01b0\u01a1ng sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n cho n\u0103ng su\u1ea5t cao, ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t l\u00e0 g\u1ed7 s\u1ed3i, d\u1ebb, sau sau… V\u00e0o \u0111\u1ea7u m\u00f9a xu\u00e2n h\u00e0ng n\u0103m (th\u00e1ng 4 d\u01b0\u01a1ng l\u1ecbch ho\u1eb7c th\u00e1ng 10 v\u00e0 th\u00e1ng 11) ti\u1ebfn h\u00e0nh ch\u1eb7t g\u1ed7. L\u1ef1a ch\u1ecdn nh\u1eefng \u0111o\u1ea1n g\u1ed7 th\u1eb3ng, c\u1eaft th\u00e0nh kh\u00fac c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 5-20cm, chi\u1ec1u d\u00e0i 1,0-1,2m. Kh\u00f4ng l\u00e0m s\u00e2y x\u00e1t l\u1edbp v\u1ecf. \u0110\u1ec3 g\u1ed7 trong nh\u00e0 tho\u00e1ng m\u00e1t, s\u1ea1ch s\u1ebd, sau 5-9 ng\u00e0y l\u00e0 tr\u1ed3ng \u0111\u01b0\u1ee3c.<\/p>\n","protected":false},"author":1,"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\/8835"}],"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=8835"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8835\/revisions"}],"predecessor-version":[{"id":10291,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8835\/revisions\/10291"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}