{"id":21726,"date":"2022-04-07T09:37:31","date_gmt":"2022-04-07T02:37:31","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=21726"},"modified":"2022-04-07T09:37:59","modified_gmt":"2022-04-07T02:37:59","slug":"he-luy-va-lang-phi-do-trong-keo-thieu-khoa-hoc-bao-nong-nghiep-viet-nam","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/he-luy-va-lang-phi-do-trong-keo-thieu-khoa-hoc-bao-nong-nghiep-viet-nam\/","title":{"rendered":"H\u1ec7 l\u1ee5y v\u00e0 l\u00e3ng ph\u00ed do tr\u1ed3ng keo thi\u1ebfu khoa h\u1ecdc \u2013 B\u00e1o N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam"},"content":{"rendered":"

Tr\u1ed3ng v\u00e0 khai th\u00e1c c\u00e2y keo thi\u1ebfu khoa h\u1ecdc kh\u00f4ng ch\u1ec9 c\u00f3 nguy c\u01a1 g\u00e2y ra nhi\u1ec1u h\u1ec7 l\u1ee5y, m\u00e0 c\u00f2n r\u1ea5t l\u00e3ng ph\u00ed t\u00e0i nguy\u00ean \u0111\u1ea5t r\u1eebng c\u0169ng nh\u01b0 d\u01b0 \u0111\u1ecba ph\u00e1t tri\u1ec3n.<\/strong><\/span><\/p>\n

Quy tr\u00ecnh khai th\u00e1c l\u1ea1c h\u1eadu<\/strong><\/p>\n

Kho\u1ea3ng 20 n\u0103m tr\u1edf l\u1ea1i \u0111\u00e2y, di\u1ec7n t\u00edch\u00a0tr\u1ed3ng keo\u00a0b\u1eaft \u0111\u1ea7u ph\u00e1t tri\u1ec3n m\u1ea1nh. \u01afu \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 d\u1ec5 tr\u1ed3ng, chu k\u1ef3 ng\u1eafn, nhanh cho thu ho\u1ea1ch, tuy gi\u00e1 tr\u1ecb th\u1ea5p nh\u01b0ng ti\u00eau th\u1ee5 r\u1ea5t d\u1ec5, kh\u00f4ng bao gi\u1edd lo \u1ebf.<\/p>\n

\u0110\u1eb7c bi\u1ec7t, c\u00e2y keo th\u00edch nghi r\u1ea5t r\u1ed9ng v\u1edbi c\u00e1c l\u1eadp \u0111\u1ecba v\u00e0 kh\u00ed h\u1eadu kh\u00e1c nhau t\u1eeb \u0111ai \u0111\u1ed9 cao kho\u1ea3ng 600 \u2013 700m so v\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n tr\u1edf xu\u1ed1ng. Hi\u1ec7n c\u1ea3 n\u01b0\u1edbc c\u00f3 kho\u1ea3ng 3,69 tri\u1ec7u ha r\u1eebng tr\u1ed3ng s\u1ea3n xu\u1ea5t, trong \u0111\u00f3 di\u1ec7n t\u00edch r\u1eebng tr\u1ed3ng keo \u01b0\u1edbc kho\u1ea3ng 2,2 tri\u1ec7u ha v\u1edbi hai gi\u1ed1ng \u0111\u01b0\u1ee3c tr\u1ed3ng ph\u1ed5 bi\u1ebfn l\u00e0 keo tai t\u01b0\u1ee3ng v\u00e0 keo lai,\u00a0keo l\u00e1 tr\u00e0m\u00a0c\u00f3 di\u1ec7n t\u00edch \u00edt h\u01a1n.<\/p>\n

\"\"<\/a><\/em>Tuy nhi\u00ean, vi\u1ec7c ph\u00e1t tri\u1ec3n\u00a0c\u00e2y keo\u00a0\u1ed3 \u1ea1t, m\u1eb7c d\u00f9 ch\u1ee7 y\u1ebfu l\u00e0 quy m\u00f4 h\u1ed9 gia \u0111\u00ecnh nh\u01b0ng \u0111\u01b0\u1ee3c tr\u1ed3ng t\u1eadp trung, li\u1ec1n v\u00f9ng, li\u1ec1n th\u1eeda v\u1edbi quy m\u00f4 l\u1edbn s\u1ebd k\u00e9o theo nhi\u1ec1u h\u1ec7 l\u1ee5y v\u1ec1 m\u1eb7t sinh th\u00e1i, m\u00f4i tr\u01b0\u1eddng v\u00e0 kh\u00f4ng \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 b\u1ec1n v\u1eefng.<\/p>\n

\u1ede nhi\u1ec1u \u0111\u1ecba ph\u01b0\u01a1ng, ch\u1ee7 r\u1eebng ch\u01b0a tu\u00e2n th\u1ee7 k\u1ef9 thu\u1eadt tr\u1ed3ng keo, nh\u1ea5t l\u00e0 v\u1ea5n \u0111\u1ec1 qu\u1ea3n l\u00fd l\u1eadp \u0111\u1ecba v\u00e0 n\u0103ng su\u1ea5t r\u1eebng. Th\u00f4ng th\u01b0\u1eddng, b\u00e0 con th\u01b0\u1eddng khai th\u00e1c tr\u1eafng c\u00e2y keo. Trong c\u00e1c c\u1ea5p \u0111\u1ed9 ti\u00ean ti\u1ebfn c\u1ee7a l\u00e2m sinh th\u00ec khai th\u00e1c tr\u1eafng l\u00e0 c\u1ea5p \u0111\u1ed9 l\u1ea1c h\u1eadu nh\u1ea5t, sau \u0111\u00f3 \u0111\u1ebfn khai th\u00e1c theo b\u0103ng v\u00e0 khai th\u00e1c ch\u1ecdn theo c\u1ea5p \u0111\u1ed9 \u0111\u01b0\u1eddng k\u00ednh.<\/p>\n

Th\u1eadm ch\u00ed \u1edf c\u00e1c qu\u1ed1c gia Ch\u00e2u \u00c2u, h\u1ecd kh\u00f4ng ch\u1ec9 ch\u1ecdn khai th\u00e1c theo c\u1ea5p \u0111\u1ed9 \u0111\u01b0\u1eddng k\u00ednh m\u00e0 c\u00f2n ch\u1ecdn theo y\u00eau c\u1ea7u s\u1ea3n ph\u1ea9m (ngh\u0129a l\u00e0 ch\u1ecdn tinh). Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi r\u1eebng tr\u1ed3ng keo th\u00ec c\u00e1c h\u00ecnh th\u1ee9c ti\u00ean ti\u1ebfn \u0111\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 \u00e1p d\u1ee5ng.<\/p>\n

Sau khi khai th\u00e1c tr\u1eafng r\u1eebng keo, b\u00e0 con \u0111\u1ed1t h\u1ebft v\u1eadt li\u1ec7u h\u1eefu c\u01a1 tr\u00ean \u0111\u1ea5t sau khai th\u00e1c (c\u00e0nh, l\u00e1…) \u0111\u1ec3 chu\u1ea9n b\u1ecb m\u1eb7t b\u1eb1ng, \u0111\u00e0o h\u1ed1 tr\u1ed3ng v\u00e0 ki\u1ebfn thi\u1ebft chu k\u1ef3 m\u1edbi. Vi\u1ec7c l\u00e0m n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0m gia t\u0103ng l\u01b0\u1ee3ng ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh, \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng m\u00e0 c\u00f2n d\u1ec5 l\u00e0m cho \u0111\u1ea5t b\u1ecb x\u00f3i l\u1edf v\u00e0o m\u00f9a m\u01b0a, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean \u0111\u1ea5t d\u1ed1c.<\/p>\n

V\u1ea5n \u0111\u1ec1 \u0111\u00e1ng quan t\u00e2m n\u1eefa \u0111\u00f3 l\u00e0 hi\u1ec7n nay, b\u00e0 con ch\u01b0a \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p khai th\u00e1c t\u00e1c \u0111\u1ed9ng th\u1ea5p, m\u00e0 khai th\u00e1c r\u1eebng keo \u0111\u1ebfn \u0111\u00e2u l\u00e0 m\u1edf \u0111\u01b0\u1eddng t\u1ef1 ph\u00e1t \u0111\u1ebfn \u0111\u1ea5y, t\u1ea1o n\u00ean nh\u1eefng cung \u0111\u01b0\u1eddng ch\u1eb1ng ch\u1ecbt l\u00ean \u0111\u1ed3i. Vi\u1ec7c m\u1edf \u0111\u01b0\u1eddng nh\u01b0 v\u1eady t\u1ea1o ra c\u00e1c v\u1ebft c\u1eaft tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ea5t d\u1ed1c, n\u01b0\u1edbc m\u01b0a t\u00edch lu\u1ef9 d\u1ea7n d\u1ea7n d\u1eabn \u0111\u1ebfn s\u1ea1t l\u1edf.<\/p>\n

Ng\u01b0\u1eddi d\u00e2n ch\u01b0a th\u1ef1c s\u1ef1 hi\u1ec3u v\u1ec1 c\u00e2y keo<\/strong><\/p>\n

Khi tr\u1ed3ng keo, tu\u1ef3 t\u1eebng m\u1ee5c \u0111\u00edch kh\u00e1c nhau m\u00e0 b\u00e0 con c\u1ea7n l\u1ef1a ch\u1ecdn tr\u1ed3ng m\u1eadt \u0111\u1ed9 c\u00e2y cho ph\u00f9 h\u1ee3p.\u00a0Th\u1eddi gian qua, Vi\u1ec7n Nghi\u00ean c\u1ee9u L\u00e2m sinh \u0111\u00e3 th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c \u0111i\u1ec1u tra, kh\u1ea3o s\u00e1t t\u1ea1i mi\u1ec1n Trung v\u00e0 th\u1ea5y r\u1eb1ng, m\u1eadt \u0111\u1ed9 b\u00ecnh qu\u00e2n tr\u1ed3ng keo dao \u0111\u1ed9ng t\u1eeb 1.500 \u2013 3.000 c\u00e2y\/ha. C\u00f3 nh\u1eefng v\u00f9ng b\u00e0 con tr\u1ed3ng keo chu k\u1ef3 ng\u1eafn \u0111\u1ec3 l\u1ea5y g\u1ed7 d\u0103m, m\u1eadt \u0111\u1ed9 c\u00f3 th\u1ec3 l\u00ean t\u1edbi 6.000 \u2013 7.000 c\u00e2y\/ha.<\/p>\n

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

X\u00e9t v\u1ec1 gi\u00e1 tr\u1ecb, tr\u1ed3ng g\u1ed7 chu k\u1ef3 ng\u1eafn (t\u1eeb 4 \u2013 5 n\u0103m) cho hi\u1ec7u qu\u1ea3 kinh t\u1ebf th\u1ea5p h\u01a1n so v\u1edbi\u00a0tr\u1ed3ng r\u1eebng g\u1ed7 l\u1edbn, tr\u1ed3ng th\u01b0a (m\u1eadt \u0111\u1ed9 kho\u1ea3ng 1.600 c\u00e2y\/ha) v\u00e0 \u0111\u1ec3 chu k\u1ef3 d\u00e0i. Tuy nhi\u00ean, do nh\u1eefng thu\u1eadn l\u1ee3i c\u1ee7a th\u1ecb tr\u01b0\u1eddng g\u1ed7 d\u0103m v\u00e0 nhanh cho thu ho\u1ea1ch n\u00ean b\u00e0 con v\u1eabn ch\u1ee7 y\u1ebfu tr\u1ed3ng r\u1eebng chu k\u1ef3 ng\u1eafn \u0111\u1ec3 s\u1ea3n xu\u1ea5t g\u1ed7 d\u0103m n\u00ean \u0111\u00e3 t\u00e1c \u0111\u1ed9ng x\u1ea5u t\u1edbi m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i.<\/p>\n

C\u00e2y keo c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 c\u00e2y c\u1ed1 \u0111\u1ecbnh \u0111\u1ea1m n\u00ean c\u00f3 t\u00e1c d\u1ee5ng c\u1ea3i t\u1ea1o \u0111\u1ea5t. Ch\u00fang t\u00f4i \u0111\u00e3 th\u1ef1c hi\u1ec7n kh\u00e1 nhi\u1ec1u nghi\u00ean c\u1ee9u so s\u00e1nh \u0111\u1ea5t r\u1eebng tr\u1ed3ng keo v\u1edbi c\u00e1c khu \u0111\u1ea5t tr\u1ed1ng b\u1ecf hoang c\u00e1ch \u0111\u00e2y 20 – 30 n\u0103m v\u00e0 th\u1ea5y r\u1eb1ng, r\u1eebng tr\u1ed3ng keo c\u00f3 kh\u1ea3 n\u0103ng c\u1ea3i t\u1ea1o \u0111\u1ea5t r\u1ea5t t\u1ed1t (t\u1eeb \u0111\u1ed9 x\u1ed1p, c\u00e1c dinh d\u01b0\u1ee1ng kho\u00e1ng, m\u00f9n v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd \u0111\u1ec1u t\u1ed1t h\u01a1n). B\u1edfi v\u1eady, n\u1ebfu th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p qu\u1ea3n l\u00fd l\u1eadp \u0111\u1ecba t\u1ed1t th\u00ec kh\u00f4ng qu\u00e1 lo l\u1eafng r\u1eb1ng tr\u1ed3ng keo l\u00e2u n\u0103m th\u00ec \u0111\u1ea5t s\u1ebd b\u1ecb tho\u00e1i ho\u00e1.<\/p>\n

Hi\u1ec7n nay, \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 r\u1eebng keo khai th\u00e1c 3 \u2013 4 chu k\u1ef3, b\u00e0 con c\u00f3 \u00fd th\u1ee9c b\u00f3n ph\u00e2n NPK b\u1ed5 sung cho \u0111\u1ea5t (th\u00f4ng qua b\u00f3n l\u00f3t ho\u1eb7c b\u00f3n th\u00fac). Tuy nhi\u00ean, nhi\u1ec1u b\u00e0 con ch\u01b0a th\u1ef1c s\u1ef1 hi\u1ec3u v\u1ec1 \u0111\u1eb7c t\u00ednh c\u1ee7a c\u00e2y keo. V\u00ec keo l\u00e0 c\u00e2y c\u1ed1 \u0111\u1ecbnh \u0111\u1ea1m n\u00ean kh\u00f4ng c\u1ea7n b\u00f3n \u0111\u1ea1m n\u1eefa, thay v\u00e0o \u0111\u00f3, b\u00e0 con n\u00ean b\u1ed5 sung l\u00e2n, kali, kh\u00f4ng n\u00ean b\u00f3n ph\u00e2n NPK, nh\u1ea5t l\u00e0 NPK c\u00f3 \u0111\u1ed9 \u0111\u1ea1m cao, b\u1edfi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ef1 l\u00e3ng ph\u00ed.<\/p>\n

M\u1ed9t v\u1ea5n \u0111\u1ec1 n\u1eefa c\u0169ng c\u1ea7n c\u1ea3nh b\u00e1o, \u0111\u00f3 l\u00e0 ch\u00fang ta ch\u01b0a c\u00f3 quy ho\u1ea1ch v\u00f9ng tr\u1ed3ng keo, n\u00ean c\u00f3 t\u00ecnh tr\u1ea1ng l\u1ea1m d\u1ee5ng tr\u1ed3ng keo trong r\u1eebng ph\u00f2ng h\u1ed9. \u0110i\u1ec1u n\u00e0y ph\u1ea3n khoa h\u1ecdc, b\u1edfi c\u00e2y keo kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng ph\u00f2ng h\u1ed9, do keo h\u00fat n\u01b0\u1edbc r\u1ea5t m\u1ea1nh.<\/p>\n

\u0110\u1ec3 1kg g\u1ed7 = 1kg rau s\u1ea1ch<\/strong><\/p>\n

M\u1ed9t trong nh\u1eefng vi\u1ec7c c\u1ea5p thi\u1ebft l\u00fac n\u00e0y, l\u00e0 nh\u00e0 n\u01b0\u1edbc n\u00ean c\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng th\u00f4ng qua vi\u1ec7c ph\u00e2n v\u00f9ng s\u1ea3n xu\u1ea5t d\u1ef1a tr\u00ean ph\u00e2n c\u1ea5p l\u1eadp \u0111\u1ecba t\u1eeb \u0111\u1ea5t t\u1ed1t, \u0111\u1ea5t trung b\u00ecnh, \u0111\u1ea5t x\u1ea5u \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00e2y tr\u1ed3ng ph\u00f9 h\u1ee3p.<\/p>\n

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

B\u1edfi hi\u1ec7n nay, c\u00f3 nhi\u1ec1u l\u1eadp \u0111\u1ecba \u0111\u1ea5t r\u1ea5t t\u1ed1t, c\u00f3 th\u1ec3 tr\u1ed3ng c\u00e1c lo\u1ea1i c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb cao h\u01a1n nh\u01b0ng b\u00e0 con ch\u1ec9 bi\u1ebft \u0111\u1ebfn c\u00e2y keo. Do \u0111\u00f3, v\u1edbi nh\u1eefng l\u1eadp \u0111\u1ecba t\u1ed1t, t\u1ea7ng \u0111\u1ea5t d\u00e0y 70 \u2013 80cm tr\u1edf l\u00ean, ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u1ea5t th\u1ecbt, c\u1ea7n khuy\u1ebfn c\u00e1o b\u00e0 con tr\u1ed3ng c\u00e1c lo\u1ea1i c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb cao (20 \u2013 30 tri\u1ec7u \u0111\u1ed3ng\/m3), v\u00ed d\u1ee5 nh\u01b0 gi\u1ed5i, v\u00f9 h\u01b0\u01a1ng, xoan \u0111\u00e0o, ch\u00f2 ch\u1ec9\u00a0v\u00e0 m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y \u0111a m\u1ee5c \u0111\u00edch c\u00f3 th\u1ec3 v\u1eeba cho g\u1ed7 v\u00e0 l\u00e2 s\u1ea3n ngo\u00e0i g\u1ed7 c\u00f3 gi\u00e1 tr\u1ecb.<\/p>\n

Tuy chu k\u1ef3 khai th\u00e1c c\u1ee7a c\u00e1c lo\u1ea1i g\u1ed7 n\u00e0y l\u00ean t\u1edbi tr\u00ean 20 n\u0103m (g\u1ea5p 4 – 5 l\u1ea7n so v\u1edbi chu k\u1ef3 tr\u1ed3ng keo l\u1ea5y g\u1ed7 d\u0103m) nh\u01b0ng gi\u00e1 tr\u1ecb l\u1ea1i t\u0103ng g\u1ea5p h\u00e0ng ch\u1ee5c l\u1ea7n, m\u1ed7i m3 g\u1ed7 c\u00f3 gi\u00e1 h\u00e0ng ch\u1ee5c tri\u1ec7u \u0111\u1ed3ng so v\u1edbi g\u1ed7 d\u0103m c\u00f3 gi\u00e1 ch\u1ec9 1 tri\u1ec7u \u0111\u1ed3ng\/m3.<\/p>\n

\u1ede Th\u00e1i Lan, Malaysia, c\u00e1c ch\u1ee7 r\u1eebng ph\u00e1t tri\u1ec3n r\u1ea5t m\u1ea1nh c\u00e2y g\u1ed7 teak. Hi\u1ec7n nay, 1m3 g\u1ed7 teak c\u00f3 gi\u00e1 h\u01a1n 1.000 USD (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng h\u01a1n 20 – 25 tri\u1ec7u \u0111\u1ed3ng). Nh\u01b0 v\u1eady, 1kg g\u1ed7 c\u00f3 gi\u00e1 kho\u1ea3ng 25.000 \u0111\u1ed3ng, kh\u00f4ng k\u00e9m g\u00ec 1kg rau s\u1ea1ch, trong khi rau s\u1ea1ch c\u1ea7n ph\u1ea3i th\u00e2m canh r\u1ea5t m\u1ea1nh.<\/p>\n

M\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p n\u00e2ng cao gi\u00e1 tr\u1ecb r\u1eebng keo tr\u01b0\u1edbc m\u1eaft m\u00e0 c\u00e1c \u0111\u1ecba ph\u01b0\u01a1ng \u0111ang th\u00fac \u0111\u1ea9y l\u00e0 chuy\u1ec3n h\u00f3a r\u1eebng g\u1ed7 keo g\u1ed7 d\u0103m sang g\u1ed7 l\u1edbn, chu k\u1ef3 d\u00e0i. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i l\u1eadp \u0111\u1ecba n\u00e0o c\u0169ng tr\u1ed3ng keo chu k\u1ef3 d\u00e0i \u0111\u01b0\u1ee3c.<\/p>\n

V\u00e0o n\u0103m 2014 v\u00e0 2017, c\u1ea3 d\u1ea3i \u0111\u1ea5t mi\u1ec1n Trung c\u00e2y keo b\u1ecb ch\u1ebft h\u00e0ng ngh\u00ecn ha. Hai n\u0103m \u0111\u00f3 b\u1ecb h\u1ea1n, \u0111i d\u1ecdc nh\u1eefng tri\u1ec1n \u0111\u1ed3i th\u1ea5y r\u1eebng keo nh\u01b0 b\u1ecb ch\u00e1y, nh\u01b0ng \u0111\u00f3 l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng c\u00e2y keo ch\u1ebft t\u1ef1 nhi\u00ean do thi\u1ebfu n\u01b0\u1edbc. N\u01a1i \u0111\u00f3 t\u1ea7ng \u0111\u1ea5t m\u1ecfng, nhi\u1ec1u \u0111\u00e1 l\u1eabn v\u00e0 \u0111\u00e1 l\u1ed9 \u0111\u1ea7u, kh\u00f4ng t\u00edch \u0111\u01b0\u1ee3c nhi\u1ec1u n\u01b0\u1edbc. Nh\u1eefng ch\u1ed7 \u0111\u00f3 ch\u1ec9 n\u00ean tr\u1ed3ng keo chu k\u1ef3 ng\u1eafn, kh\u00f4ng n\u00ean tr\u1ed3ng chu k\u1ef3 d\u00e0i ho\u1eb7c tr\u1ed3ng r\u1eebng g\u1ed7 l\u1edbn.<\/p>\n

\"\"<\/a>\u00a0<\/em>Vi\u1ec7c ph\u00e2n c\u1ea5p l\u1eadp \u0111\u1ecba \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng khu v\u1ef1c c\u00f3 l\u1eadp \u0111\u1ecba ph\u00f9 h\u1ee3p tr\u1ed3ng keo ho\u1eb7c chuy\u1ec3n h\u00f3a r\u1eebng keo sang chu k\u1ef3 d\u00e0i l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft. Hi\u1ec7n nay, m\u1ed9t s\u1ed1 \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u00e3 nh\u1eadn th\u1ea5y l\u1ee3i \u00edch t\u1eeb tr\u1ed3ng r\u1eebng g\u1ed7 l\u1edbn v\u00e0 khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi d\u00e2n l\u00e0m theo. Nh\u01b0ng \u1edf nhi\u1ec1u n\u01a1i v\u1eabn ch\u01b0a ch\u00fa tr\u1ecdng \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt \u0111\u00f3 n\u00ean ph\u00e1t tri\u1ec3n \u1ed3 \u1ea1t, ch\u1ed7 n\u00e0o c\u0169ng khuy\u1ebfn kh\u00edch ph\u00e1t tri\u1ec3n r\u1eebng g\u1ed7 l\u1edbn nh\u01b0ng ch\u01b0a quan t\u00e2m t\u1edbi l\u1eadp \u0111\u1ecba ph\u00f9 h\u1ee3p, khi thi\u1ec7t h\u1ea1i th\u00ec ai l\u00e0 ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m?<\/p>\n

C\u1ea5p thi\u1ebft l\u1eadp b\u1ea3n \u0111\u1ed3 l\u1eadp \u0111\u1ecba cho c\u00e2y keo<\/strong><\/p>\n

Vi\u1ec7t Nam l\u00e0 qu\u1ed1c gia ph\u00e1t tri\u1ec3n c\u00e2y keo nh\u1ea5t, n\u0103ng su\u1ea5t sinh kh\u1ed1i b\u00ecnh qu\u00e2n c\u1ea3 n\u01b0\u1edbc kho\u1ea3ng 20m3\/ha\/n\u0103m. Tuy nhi\u00ean, nhi\u1ec1u qu\u1ed1c gia c\u00f3 nh\u1eefng lo\u00e0i c\u00e2y l\u00e2m nghi\u1ec7p n\u0103ng su\u1ea5t cao h\u01a1n r\u1ea5t nhi\u1ec1u. V\u00ed d\u1ee5, m\u1ed9t s\u1ed1 n\u01b0\u1edbc \u1edf Nam M\u1ef9 n\u0103ng su\u1ea5t sinh kh\u1ed1i b\u1ea1ch \u0111\u00e0n c\u00f3 th\u1ec3 l\u00ean t\u1edbi 50 \u2013 60m3\/ha\/n\u0103m. \u0110\u1ec3 \u0111\u1ea1t th\u00e0nh qu\u1ea3 n\u00e0y, h\u1ecd qu\u1ea3n l\u00fd l\u1eadp \u0111\u1ecba r\u1ea5t t\u1ed1t v\u00e0 s\u1eed d\u1ee5ng gi\u1ed1ng t\u1ed1t.<\/p>\n

C\u00f2n \u1edf Vi\u1ec7t Nam, n\u1ebfu b\u00e0 con tu\u00e2n th\u1ee7 \u0111\u00fang k\u1ef9 thu\u1eadt th\u00ec c\u00f3 th\u1ec3 \u0111\u1ea9y n\u0103ng su\u1ea5t sinh kh\u1ed1i l\u00ean t\u1edbi 25 \u2013 30m3\/ha\/n\u0103m. Nh\u01b0ng, ph\u1ea7n l\u1edbn ng\u01b0\u1eddi d\u00e2n v\u1eabn tr\u1ed3ng gi\u1ed1ng keo tr\u00f4i n\u1ed5i tr\u00ean th\u1ecb tr\u01b0\u1eddng, nhi\u1ec1u gi\u1ed1ng m\u1edbi ch\u01b0a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt canh t\u00e1c c\u0169ng ch\u01b0a ph\u00f9 h\u1ee3p.<\/p>\n

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

Nh\u1eefng n\u0103m qua, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111ang th\u00fac \u0111\u1ea9y ph\u00e1t tri\u1ec3n m\u1ed9t s\u1ed1 gi\u1ed1ng keo l\u00e1 tr\u00e0m. Tr\u01b0\u1edbc \u0111\u00e2y, do ch\u1ecdn gi\u1ed1ng ch\u01b0a t\u1ed1t n\u00ean c\u00e2y kh\u00f4ng th\u1eb3ng, kh\u00f4ng \u0111\u1eb9p, b\u00e0 con kh\u00f4ng th\u00edch. Nh\u01b0ng c\u00e1ch \u0111\u00e2y kho\u1ea3ng h\u01a1n 10 n\u0103m, Vi\u1ec7n \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c c\u00e1c gi\u1ed1ng keo l\u00e1 tr\u00e0m r\u1ea5t th\u1eb3ng v\u00e0 \u0111\u1eb9p, v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng g\u1ed7 t\u1ed1t h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi keo tai t\u01b0\u1ee3ng v\u00e0\u00a0keo lai<\/a>, n\u0103ng su\u1ea5t sinh tr\u01b0\u1edfng th\u1eed nghi\u1ec7m \u1edf m\u1ed9t s\u1ed1 n\u01a1i c\u0169ng g\u1ea7n ngang ng\u1eeda so v\u1edbi keo tai t\u01b0\u1ee3ng, keo lai. Ch\u1ec9 c\u00f3 \u0111i\u1ec1u, gi\u1ed1ng keo l\u00e1 tr\u00e0m th\u01b0\u1eddng th\u00edch h\u1ee3p v\u1edbi v\u00f9ng nhi\u1ec7t \u0111\u1edbi h\u01a1n, v\u00ec khi g\u1eb7p c\u00e1c \u0111\u1ee3t l\u1ea1nh c\u1ef1c \u0111oan \u1edf v\u00f9ng cao mi\u1ec1n B\u1eafc, c\u00e2y c\u00f3 th\u1ec3 b\u1ecb ch\u1ebft.<\/p>\n

\u0110\u1ed1i v\u1edbi v\u1ea5n \u0111\u1ec1 quy ho\u1ea1ch tr\u1ed3ng r\u1eebng \u1edf t\u1ea7m v\u0129 m\u00f4, tr\u01b0\u1edbc \u0111\u00e2y, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t v\u1edbi v\u00e0 T\u1ed5ng c\u1ee5c L\u00e2m nghi\u1ec7p \u0111\u1ec1 xu\u1ea5t B\u1ed9 NN-PNTT cho x\u00e2y d\u1ef1ng c\u00e1c b\u1ea3n \u0111\u1ed3 l\u1eadp \u0111\u1ecba c\u1ea5p t\u1ec9nh tr\u00ean c\u1ea3 n\u01b0\u1edbc \u0111\u1ec3 ph\u00e2n c\u1ea5p s\u01a1 b\u1ed9, sau \u0111\u00f3 Vi\u1ec7n s\u1ebd c\u00f3 h\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3 h\u01a1n \u0111\u1ec3 c\u00e1c \u0111\u1ecba ph\u01b0\u01a1ng tri\u1ec3n khai \u1edf c\u1ea5p vi m\u00f4. Tuy nhi\u00ean, kinh ph\u00ed \u0111\u1ec3 tri\u1ec3n khai th\u1ef1c hi\u1ec7n r\u1ea5t t\u1ed1n k\u00e9m.<\/p>\n

Hi\u1ec7n nay, ch\u00fang ta \u0111\u00e3 c\u00f3 ti\u00eau chu\u1ea9n Vi\u1ec7t Nam v\u1ec1 ph\u00e2n c\u1ea5p l\u1eadp \u0111\u1ecba. C\u00e1c t\u1ec9nh c\u00f3 th\u1ec3 d\u1ef1a tr\u00ean c\u01a1 s\u1edf \u0111\u00f3 \u0111\u1ec3 tri\u1ec3n khai th\u1ef1c hi\u1ec7n. C\u1ea7n nh\u1ea5n m\u1ea1nh r\u1eb1ng, hai y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t gi\u00fap n\u00e2ng cao gi\u00e1 tr\u1ecb r\u1eebng tr\u1ed3ng, \u0111\u00f3 l\u00e0 x\u00e1c \u0111\u1ecbnh l\u1eadp \u0111\u1ecba v\u00e0 lo\u00e0i c\u00e2y ph\u00f9 h\u1ee3p.<\/p>\n

N\u1ebfu ch\u1ecdn \u0111\u01b0\u1ee3c c\u00e1c lo\u00e0i c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb ph\u00f9 h\u1ee3p v\u1edbi l\u1eadp \u0111\u1ecba t\u1ed1t, ch\u00fang ta s\u1ebd kh\u00f4ng ph\u00e1t tri\u1ec3n c\u00e2y keo \u1ed3 \u1ea1t nh\u01b0 hi\u1ec7n nay, v\u00e0 t\u1ea1o ra m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng h\u01a1n v\u1ec1 lo\u00e0i v\u00e0 m\u1ee5c \u0111\u00edch kinh doanh trong r\u1eebng tr\u1ed3ng; k\u1ebft h\u1ee3p s\u1ea3n xu\u1ea5t nhi\u1ec1u gi\u1ed1ng, lo\u00e0i kh\u00e1c nhau, v\u1eeba h\u1ea1n ch\u1ebf d\u1ecbch b\u1ec7nh, v\u1eeba n\u00e2ng cao hi\u1ec7u qu\u1ea3 kinh t\u1ebf.<\/p>\n

MINH PH\u00daC<\/strong>\u00a0(ghi)<\/em><\/p>\n

Ngu\u1ed3n: https:\/\/nongnghiep.vn\/he-luy-va-lang-phi-do-trong-keo-thieu-khoa-hoc-d319995.html<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Tr\u1ed3ng v\u00e0 khai th\u00e1c c\u00e2y keo thi\u1ebfu khoa h\u1ecdc kh\u00f4ng ch\u1ec9 c\u00f3 nguy c\u01a1 g\u00e2y ra nhi\u1ec1u h\u1ec7 l\u1ee5y, m\u00e0 c\u00f2n r\u1ea5t l\u00e3ng ph\u00ed t\u00e0i nguy\u00ean \u0111\u1ea5t r\u1eebng c\u0169ng nh\u01b0 d\u01b0 \u0111\u1ecba ph\u00e1t tri\u1ec3n. Quy tr\u00ecnh khai th\u00e1c l\u1ea1c h\u1eadu Kho\u1ea3ng 20 n\u0103m tr\u1edf l\u1ea1i \u0111\u00e2y, di\u1ec7n t\u00edch\u00a0tr\u1ed3ng keo\u00a0b\u1eaft \u0111\u1ea7u ph\u00e1t tri\u1ec3n m\u1ea1nh. \u01afu \u0111i\u1ec3m […]<\/p>\n","protected":false},"author":2,"featured_media":21729,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[51,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/21726"}],"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=21726"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/21726\/revisions"}],"predecessor-version":[{"id":21733,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/21726\/revisions\/21733"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media\/21729"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=21726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=21726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=21726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}