Tr\u1ed3ng l\u00faa gi\u1ea3m ph\u00e1t th\u1ea3i l\u00e3i t\u0103ng 18 tri\u1ec7u\/ha, ch\u1edd b\u00e1n t\u00edn ch\u1ec9 carbon<\/p>\n
Theo t\u00ednh to\u00e1n, tr\u1ed3ng l\u00faa gi\u1ea3m ph\u00e1t th\u1ea3i n\u00f4ng d\u00e2n c\u00f3 th\u1ec3 l\u00e3i th\u00eam 18 tri\u1ec7u \u0111\u1ed3ng\/ha so v\u1edbi canh t\u00e1c truy\u1ec1n th\u1ed1ng. Ngo\u00e0i ra, c\u00f2n ch\u1edd thu ti\u1ec1n t\u1eeb b\u00e1n t\u00edn ch\u1ec9 carbon.<\/p>\n
T\u1ea1i H\u1ed9i th\u1ea3o li\u00ean k\u1ebft chu\u1ed7i gi\u00e1 tr\u1ecb l\u00faa g\u1ea1o g\u00f3p ph\u1ea7n th\u1ef1c hi\u1ec7n \u0110\u1ec1 \u00e1n \u201cPh\u00e1t tri\u1ec3n 1 tri\u1ec7u ha v\u00f9ng chuy\u00ean canh l\u00faa ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 ph\u00e1t th\u1ea3i th\u1ea5p g\u1eafn v\u1edbi t\u0103ng tr\u01b0\u1edfng xanh v\u00f9ng \u0110BSCL \u0111\u1ebfn n\u0103m 2030\u201d ng\u00e0y 25\/10, Ph\u00f3 C\u1ee5c tr\u01b0\u1edfng C\u1ee5c Tr\u1ed3ng tr\u1ecdt (B\u1ed9 NN-PTNT) L\u00ea Thanh T\u00f9ng cho bi\u1ebft, c\u01a1 quan n\u00e0y \u0111\u00e3 x\u00e2y d\u1ef1ng 7 m\u00f4 h\u00ecnh th\u00ed \u0111i\u1ec3m t\u1ea1i 5 t\u1ec9nh g\u1ed3m Ki\u00ean Giang, S\u00f3c Tr\u0103ng, Tr\u00e0 Vinh, \u0110\u1ed3ng Th\u00e1p v\u00e0 TP C\u1ea7n Th\u01a1.\u00a0<\/p>\n
Sau khi thu ho\u1ea1ch l\u00faa \u1edf nh\u1eefng m\u00f4 h\u00ecnh th\u00ed \u0111i\u1ec3m, \u00f4ng T\u00f9ng \u0111\u00e1nh gi\u00e1 n\u0103ng su\u1ea5t l\u00faa t\u0103ng, di\u1ec7n t\u00edch ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n k\u00eau g\u1ecdi b\u00e0 con.\u00a0<\/p>\n
Ph\u00f3 C\u1ee5c tr\u01b0\u1edfng C\u1ee5c Tr\u1ed3ng tr\u1ecdt ch\u1ec9 r\u00f5, vi\u1ec7c \u00e1p d\u1ee5ng k\u1ef9 thu\u1eadt s\u1ea1 h\u00e0ng v\u00e0 s\u1ea1 c\u1ee5m k\u1ebft h\u1ee3p v\u00f9i ph\u00e2n \u0111\u00e3\u00a0gi\u1ea3m 30-50% l\u01b0\u1ee3ng gi\u1ed1ng s\u1eed d\u1ee5ng, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng t\u1eeb 30-80 kg\/ha.\u00a0<\/p>\n
C\u00e1ch l\u00e0m n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed t\u1eeb 0,6-1,6 tri\u1ec7u \u0111\u1ed3ng\/ha, \u0111\u1ed3ng th\u1eddi gi\u1ea3m s\u1ef1 c\u1ea1nh tranh dinh d\u01b0\u1ee1ng v\u00e0 t\u0103ng n\u0103ng su\u1ea5t.<\/p>\n
M\u1ee9c s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n \u0111\u1ea1m c\u0169ng gi\u1ea3m t\u1eeb 30-70 kg\/ha, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ti\u1ebft ki\u1ec7m t\u1eeb 0,7-1,6 tri\u1ec7u \u0111\u1ed3ng\/ha.<\/p>\n
<\/p>\n![\"\"](\"https:\/\/static-images.vnncdn.net\/vps_images_publish\/000001\/000003\/2024\/10\/26\/trong-lua-39240.jpg?width=0&s=Zhxa_DU7AYWyN078a1K0Ww\") <\/p>\nL\u1ee3i nhu\u1eadn t\u1eeb tr\u1ed3ng l\u00faa ch\u1ea5t l\u01b0\u1ee3ng cao, ph\u00e1t th\u1ea3i th\u1ea5p t\u0103ng m\u1ea1nh so v\u1edbi canh t\u00e1c truy\u1ec1n th\u1ed1ng. \u1ea2nh minh h\u1ecda<\/p>\n<\/p><\/div>\n \n <\/td>\n
Trong khi \u0111\u00f3, n\u0103ng su\u1ea5t l\u00fd thuy\u1ebft t\u1eeb c\u00e1c m\u00f4 h\u00ecnh cho th\u1ea5y c\u00f3 s\u1ef1 t\u0103ng tr\u01b0\u1edfng \u0111\u00e1ng k\u1ec3. \u1ede C\u1ea7n Th\u01a1 v\u00e0 S\u00f3c Tr\u0103ng, c\u00e1c m\u00f4 h\u00ecnh s\u1eed d\u1ee5ng gi\u1ed1ng OM5451, ST25 cho n\u0103ng su\u1ea5t cao h\u01a1n l\u1ea7n l\u01b0\u1ee3t 3,9-7,5% v\u00e0 8,9-13,7% so v\u1edbi m\u00f4 h\u00ecnh truy\u1ec1n th\u1ed1ng.<\/p>\n Hi\u1ec7u qu\u1ea3 kinh t\u1ebf c\u1ee7a c\u00e1c m\u00f4 h\u00ecnh n\u00e0y r\u1ea5t t\u00edch c\u1ef1c, l\u1ee3i nhu\u1eadn r\u00f2ng t\u0103ng th\u00eam t\u1eeb 13-18 tri\u1ec7u \u0111\u1ed3ng\/ha trong v\u1ee5 h\u00e8 thu v\u00e0 v\u1ee5 thu \u0111\u00f4ng t\u0103ng 1-6 tri\u1ec7u \u0111\u1ed3ng\/ha.<\/p>\n B\u00ean c\u1ea1nh \u0111\u00f3, \u1edf c\u00e1c m\u00f4 h\u00ecnh th\u00ed \u0111i\u1ec3m t\u1ea1i S\u00f3c Tr\u0103ng, l\u01b0\u1ee3ng kh\u00ed ph\u00e1t th\u1ea3i l\u00e0 9,5 t\u1ea5n CO2e\/ha\/v\u1ee5. Trong khi, ngo\u00e0i m\u00f4 h\u00ecnh l\u01b0\u1ee3ng ph\u00e1t th\u1ea3i l\u00ean t\u1edbi 13,5 t\u1ea5n CO2e\/ha\/v\u1ee5. T\u1ee9c l\u00e0\u00a0c\u00e1c m\u00f4 h\u00ecnh th\u00ed \u0111i\u1ec3m gi\u1ea3m \u0111\u01b0\u1ee3c 4 t\u1ea5n CO2e\/ha\/v\u1ee5.<\/p>\n T\u01b0\u01a1ng t\u1ef1 t\u1ea1i Tr\u00e0 Vinh, trung b\u00ecnh 2 m\u00f4 h\u00ecnh th\u00ed \u0111i\u1ec3m gi\u1ea3m \u0111\u01b0\u1ee3c 5,4 t\u1ea5n CO2e\/ha\/v\u1ee5.<\/p>\n B\u1ed9 NN-PTNT v\u00e0 Qu\u1ef9 T\u00e0i ch\u00ednh carbon chuy\u1ec3n \u0111\u1ed5i (TCAF) \u0111ang trong qu\u00e1 tr\u00ecnh h\u1ecdp b\u00e0n th\u1ed1ng nh\u1ea5t c\u00e1ch th\u1ee9c chu\u1ea9n b\u1ecb tri\u1ec3n khai th\u00ed \u0111i\u1ec3m chi tr\u1ea3 gi\u1ea3m ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh h\u1ed7 tr\u1ee3 \u0111\u1ec1 \u00e1n ph\u00e1t tri\u1ec3n 1 tri\u1ec7u ha l\u00faa ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 ph\u00e1t th\u1ea3i th\u1ea5p. Sau khi th\u1ed1ng nh\u1ea5t, n\u00f4ng d\u00e2n s\u1ebd \u0111\u01b0\u1ee3c chi tr\u1ea3 ti\u1ec1n t\u00edn ch\u1ec9 carbon t\u1eeb tr\u1ed3ng l\u00faa gi\u1ea3m ph\u00e1t th\u1ea3i.<\/p>\n T\u1ea1i h\u1ed9i th\u1ea3o, GS.TS Nguy\u1ec5n B\u1ea3o V\u1ec7 – nguy\u00ean Tr\u01b0\u1edfng khoa N\u00f4ng nghi\u1ec7p (Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1) – \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e2u chuy\u1ec7n r\u01a1m r\u1ea1 n\u00f3i ri\u00eang v\u00e0 ph\u1ebf ph\u1ee5 ph\u1ea9m trong qu\u00e1 tr\u00ecnh tr\u1ed3ng l\u00faa c\u00f3 gi\u00e1 tr\u1ecb r\u1ea5t l\u1edbn.<\/p>\n \u201c\u0110\u1ed1t r\u01a1m l\u00e0 \u0111\u1ed1t ti\u1ec1n, b\u00e1n r\u01a1m l\u00e0 b\u00e1n m\u00e1u. Ng\u01b0\u1eddi d\u00e2n c\u1ea7n ph\u1ea3i hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng l\u1ee3i \u00edch s\u00e1t s\u01b0\u1eddn n\u00e0y, b\u00ean c\u1ea1nh ti\u1ec1m n\u0103ng b\u00e1n t\u00edn ch\u1ec9 carbon trong t\u01b0\u01a1ng lai\u201d, \u00f4ng V\u1ec7 nh\u1ea5n m\u1ea1nh.<\/p>\n Theo \u00f4ng, \u0111\u1ec3 x\u1eed l\u00fd r\u01a1m r\u1ea1 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao, ng\u01b0\u1eddi d\u00e2n c\u1ea7n x\u00e1c \u0111\u1ecbnh c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u1ee5 th\u1ec3 cho 2 lo\u1ea1i kh\u00ed c\u01a1 b\u1ea3n l\u00e0 CH4 v\u00e0 N2O. Trong \u0111\u00f3, CH4 ch\u1ee7 y\u1ebfu ph\u00e1t th\u1ea3i t\u1eeb b\u1ed9 r\u1ec5 c\u1ee7a l\u00faa, trong qu\u00e1 tr\u00ecnh ng\u1eadp n\u01b0\u1edbc khi sinh tr\u01b0\u1edfng. C\u00f2n N2O h\u1ea7u nh\u01b0 c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb vi\u1ec7c b\u00f3n ph\u00e2n \u0111\u1ea1m.<\/p>\n Ng\u00e0nh n\u00f4ng nghi\u1ec7p \u0111\u00e3 ph\u1ed1i h\u1ee3p v\u1edbi nhi\u1ec1u t\u1ed5 ch\u1ee9c qu\u1ed1c t\u1ebf \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00e2n x\u1eed l\u00fd r\u01a1m r\u1ea1, ch\u1ebf bi\u1ebfn th\u00e0nh ph\u00e2n b\u00f3n h\u1eefu c\u01a1, tr\u1ed3ng n\u1ea5m, s\u1eed d\u1ee5ng l\u00e0m th\u1ee9c \u0103n gia s\u00fac, ho\u1eb7c xa h\u01a1n l\u00e0 tr\u1edf th\u00e0nh nguy\u00ean li\u1ec7u cho c\u00e1c l\u00f2 \u0111\u1ed1t c\u00f4ng nghi\u1ec7p…<\/p>\n Theo \u00f4ng L\u00ea Thanh T\u00f9ng, ngo\u00e0i nh\u1eefng l\u1ee3i \u00edch tr\u00ean, \u0111\u1ec1 \u00e1n 1 tri\u1ec7u ha l\u00faa ch\u1ea5t l\u01b0\u1ee3ng cao tri\u1ec3n khai t\u1ea1i 12 t\u1ec9nh \u0110BSCL c\u00f2n h\u00ecnh th\u00e0nh c\u00e1c chu\u1ed7i li\u00ean k\u1ebft gi\u1eefa n\u00f4ng d\u00e2n v\u00e0 doanh nghi\u1ec7p, gi\u1eefa doanh nghi\u1ec7p v\u00e0 h\u1ee3p t\u00e1c x\u00e3.<\/p>\n \u201cL\u00faa \u0111\u00e3 ch\u1ea5t l\u01b0\u1ee3ng, t\u1eeb vi\u1ec7c k\u1ebf th\u1eeba D\u1ef1 \u00e1n VnSAT, nh\u01b0ng \u0111\u1ea7u ra l\u1ea1i b\u1ecf ng\u1ecf\u201d, \u00f4ng T\u00f9ng cho hay. Do \u0111\u00f3, vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ed1i li\u00ean h\u1ec7 ch\u1eb7t ch\u1ebd, th\u00f4ng qua c\u00e1c \u0111\u1ed1i t\u00e1c, c\u00e1c b\u00ean li\u00ean quan trong \u0111\u1ec1 \u00e1n l\u00e0 h\u1ebft s\u1ee9c c\u1ea7n thi\u1ebft.\u00a0<\/p>\n B\u00ean c\u1ea1nh nh\u1eefng v\u1ea5n \u0111\u1ec1 tr\u00ean, \u00f4ng L\u00ea Thanh T\u00f9ng nh\u00ecn nh\u1eadn, giao th\u00f4ng n\u1ed9i \u0111\u1ed3ng t\u1ea1i v\u00f9ng d\u1ef1 \u00e1n ch\u01b0a th\u1ef1c s\u1ef1 thu\u1eadn l\u1ee3i, ch\u01b0a thu h\u00fat \u0111\u01b0\u1ee3c s\u1ef1 quan t\u00e2m, \u0111\u1ea7u t\u01b0 c\u1ee7a doanh nghi\u1ec7p. Do \u0111\u00f3, ngo\u00e0i vi\u1ec7c t\u0103ng c\u01b0\u1eddng, n\u00e2ng cao y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt, \u0111\u1ecba ph\u01b0\u01a1ng c\u0169ng n\u00ean l\u01b0u \u00fd ph\u00e1t tri\u1ec3n c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ed9t c\u00e1ch \u0111\u1ed3ng b\u1ed9, gi\u00fap li\u00ean k\u1ebft b\u1ec1n ch\u1eb7t.<\/p>\n T\u00e2m An <\/p>\n |