{"id":105,"date":"2026-05-30T00:49:01","date_gmt":"2026-05-30T00:49:01","guid":{"rendered":"https:\/\/tomcangdailoi.stellarmedia.vn\/?p=105"},"modified":"2026-05-30T00:49:01","modified_gmt":"2026-05-30T00:49:01","slug":"ky-thuat-nuoi-tom-cang-xanh-xen-lua-vung-nuoc-lo","status":"publish","type":"post","link":"https:\/\/tomcangdailoi.com\/index.php\/2026\/05\/30\/ky-thuat-nuoi-tom-cang-xanh-xen-lua-vung-nuoc-lo\/","title":{"rendered":"K\u1ef9 thu\u1eadt nu\u00f4i t\u00f4m c\u00e0ng xanh xen l\u00faa v\u00f9ng n\u01b0\u1edbc l\u1ee3"},"content":{"rendered":"
\n

Nu\u00f4i t\u00f4m trong ru\u1ed9ng l\u00faa l\u00e0\u202fh\u00ecnh th\u1ee9c canh t\u00e1c k\u1ebft h\u1ee3p\u202fgi\u1eefa tr\u1ed3ng tr\u1ecdt v\u00e0 th\u1ee7y s\u1ea3n.<\/p>\n<\/div>\n

\n
\n

1.\u00a0<\/strong>Ch\u1ecdn \u0111\u1ecba \u0111i\u1ec3m nu\u00f4i<\/strong><\/p>\n

\u0110\u1ecba \u0111i\u1ec3m nu\u00f4i trong v\u00f9ng \u0111\u01b0\u1ee3c quy ho\u1ea1ch cho nu\u00f4i t\u00f4m c\u00e0ng xanh \u0111\u1ecba ph\u01b0\u01a1ng. \u0110\u1ecba \u0111i\u1ec3m nu\u00f4i g\u1ea7n ngu\u1ed3n n\u01b0\u1edbc \u0111\u1ec3 thu\u1eadn l\u1ee3i cho vi\u1ec7c c\u1ea5p v\u00e0 tho\u00e1t n\u01b0\u1edbc. Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u1ea3m b\u1ea3o c\u00e1c y\u1ebfu t\u1ed1: pH t\u1eeb 7 \u2013 8, \u0111\u1ed9 m\u1eb7n t\u1eeb 0 – 15\u2030 cho nu\u00f4i t\u00f4m c\u00e0ng xanh v\u00e0 0 – 4\u2030 cho tr\u1ed3ng l\u00faa.<\/p>\n

2.\u00a0<\/strong>Thi\u1ebft k\u1ebf ru\u1ed9ng nu\u00f4i<\/strong><\/p>\n

Ru\u1ed9ng c\u00f3 di\u1ec7n t\u00edch t\u1eeb 0,5 \u2013 1,5ha, tu\u1ef3 theo \u0111i\u1ec1u ki\u1ec7n t\u1eebng n\u00f4ng h\u1ed9.<\/p>\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n
M\u1eb7t c\u1eaft ngang ru\u1ed9ng l\u00faa nu\u00f4i k\u1ebft h\u1ee3p<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
\"\"<\/td>\n<\/tr>\n
Ru\u1ed9ng nu\u00f4i t\u00f4m c\u00e0ng xanh xen canh v\u1edbi l\u00faa c\u00f3 m\u01b0\u01a1ng bao<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

B\u1edd bao quanh: Chi\u1ec1u r\u1ed9ng m\u1eb7t b\u1edd 1-2m; Chi\u1ec1u r\u1ed9ng ch\u00e2n b\u1edd 2-4m.<\/p>\n

M\u01b0\u01a1ng bao quanh: Di\u1ec7n t\u00edch m\u01b0\u01a1ng bao: 20 \u2013 30% di\u1ec7n t\u00edch ru\u1ed9ng l\u00faa.<\/p>\n

Thi\u1ebft k\u1ebf m\u01b0\u01a1ng bao quanh: \u0110\u00e0o c\u00e1ch b\u1edd 0,5m \u0111\u1ec3 tr\u00e1nh x\u00f3i l\u1edf t\u1eeb b\u1edd xu\u1ed1ng m\u01b0\u01a1ng. Chi\u1ec1u r\u1ed9ng t\u1ea7ng n\u01b0\u1edbc m\u1eb7t m\u01b0\u01a1ng 2-3m, chi\u1ec1u r\u1ed9ng \u0111\u00e1y 1-1,5m. Chi\u1ec1u s\u00e2u m\u01b0\u01a1ng bao 1-1,2m. M\u01b0\u01a1ng d\u1ed1c d\u1ea7n v\u1ec1 ph\u00eda c\u1ed1ng. M\u1ef1c n\u01b0\u1edbc m\u01b0\u01a1ng bao 0,8-1,2m.<\/p>\n

C\u1ed1ng b\u1eb1ng xi m\u0103ng hay \u1ed1ng s\u00e0nh, nh\u1ef1a, kh\u1ea9u \u0111\u1ed9 c\u1ed1ng 30 \u2013 40cm.<\/p>\n

M\u1eb7t tr\u1ea3ng ru\u1ed9ng: l\u00e0 ph\u1ea7n m\u1eb7t ru\u1ed9ng b\u1eb1ng ph\u1eb3ng c\u00f2n l\u1ea1i \u0111\u1ec3 tr\u1ed3ng l\u00faa, m\u1ef1c n\u01b0\u1edbc tr\u00ean tr\u1ea3ng duy tr\u00ec t\u1eeb 0,2-0,7m.<\/p>\n

Ao: Thi\u1ebft k\u1ebft \u1edf \u0111\u1ea7u ru\u1ed9ng, li\u1ec1n k\u1ec1 v\u1edbi ru\u1ed9ng nu\u00f4i. Di\u1ec7n t\u00edch ao 10% di\u1ec7n t\u00edch ru\u1ed9ng. M\u1ef1c n\u01b0\u1edbc ao t\u1eeb 1-1,4m. Ao s\u1eed d\u1ee5ng \u0111\u1ec3 \u01b0\u01a1ng v\u00e0 nu\u00f4i t\u00f4m c\u00e0ng xanh.<\/p>\n

2.\u00a0<\/strong>Chu\u1ea9n b\u1ecb ru\u1ed9ng<\/strong><\/p>\n

Sau v\u1ee5 nu\u00f4i t\u00f4m, d\u1ecdn d\u1eb9p c\u00e2y c\u1ecf xung quanh b\u1edd ru\u1ed9ng. S\u1eed d\u1ee5ng n\u01b0\u1edbc ng\u1ecdt t\u1eeb s\u00f4ng, k\u00eanh \u0111\u1ec3 r\u1eeda m\u1eb7n sau v\u1ee5 nu\u00f4i t\u00f4m s\u00fa. T\u00e1t c\u1ea1n v\u00e0 s\u00ean v\u00e9t b\u00f9n \u0111\u00e1y d\u01b0\u1edbi m\u01b0\u01a1ng bao. B\u00f3n v\u00f4i v\u1edbi l\u01b0\u1ee3ng 10 \u2013 20kg\/100m2<\/sup>\u00a0\u0111\u1ec3 di\u1ec7t c\u00e1 t\u1ea1p, t\u1ea1o pH th\u00edch h\u1ee3p cho nu\u00f4i t\u00f4m. R\u1ea3i v\u00f4i \u0111\u1ec1u trong h\u1ec7 th\u1ed1ng nu\u00f4i. Ru\u1ed9ng m\u1edbi \u0111\u00e0o m\u01b0\u01a1ng bao n\u00ean r\u1eeda ph\u00e8n k\u1ef9 v\u00e0 c\u1ea3i t\u1ea1o ao, khi pH \u0111\u1ea1t 7-8,5 m\u1edbi th\u1ea3 t\u00f4m gi\u1ed1ng nu\u00f4i.<\/p>\n

Ph\u01a1i \u0111\u00e1y m\u01b0\u01a1ng bao 5-7 ng\u00e0y. N\u1ebfu kh\u00f4ng ph\u01a1i \u0111\u00e1y \u0111\u01b0\u1ee3c th\u00ec d\u00f9ng thu\u1ed1c c\u00e1 \u0111\u1ec3 di\u1ec7t c\u00e1 t\u1ea1p (0,5-1kg\/100m2<\/sup>).<\/p>\n

C\u1ea5p n\u01b0\u1edbc cho ru\u1ed9ng: Ngu\u1ed3n n\u01b0\u1edbc t\u1eeb s\u00f4ng, k\u00eanh, r\u1ea1ch, c\u1ea5p n\u01b0\u1edbc v\u00e0o ru\u1ed9ng nu\u00f4i t\u00f4m qua t\u00fai l\u1ecdc \u0111\u1ec3 ng\u0103n \u0111\u1ecbch h\u1ea1i. M\u1ef1c n\u01b0\u1edbc trong m\u01b0\u01a1ng bao 0,8-1m th\u00ec b\u00f3n ph\u00e2n g\u00e2y m\u00e0u n\u01b0\u1edbc. L\u01b0\u1ee3ng ph\u00e2n b\u00f3n: 1kg ure + 1kg DAP\/1.000m2<\/sup>\u00a0ho\u1eb7c c\u00e1c s\u1ea3n ph\u1ea9m g\u00e2y m\u00e0u n\u01b0\u1edbc cho ru\u1ed9ng nu\u00f4i thu\u1ef7 s\u1ea3n \u0111\u1ec3 t\u1ea1o ngu\u1ed3n th\u1ee9c \u0103n t\u1ef1 nhi\u00ean cho t\u00f4m v\u00e0 h\u1ea1n ch\u1ebf t\u1ea3o \u0111\u00e1y (c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ed9t c\u00e1 li\u1ec1u l\u01b0\u1ee3ng 1 kg\/1.000m2<\/sup>). Sau \u0111\u00f3 c\u1ea5p n\u01b0\u1edbc v\u00e0o ru\u1ed9ng qua l\u01b0\u1edbi l\u1ecdc, m\u1eaft l\u01b0\u1edbi 1mm.<\/p>\n

3.\u00a0<\/strong>M\u00f9a v\u1ee5 nu\u00f4i<\/strong><\/p>\n

M\u00f9a v\u1ee5 th\u1ea3 nu\u00f4i t\u1eeb th\u00e1ng 7-8 d\u01b0\u01a1ng l\u1ecbch v\u00e0 thu ho\u1ea1ch th\u00e1ng 12 ho\u1eb7c th\u00e1ng 1 n\u0103m sau. Th\u1eddi gian \u01b0\u01a1ng gi\u1ed1ng v\u00e0 nu\u00f4i t\u00f4m c\u00e0ng xanh kho\u1ea3ng 5-6,5 th\u00e1ng tu\u1ef3 v\u00e0o \u0111\u1ed9 m\u1eb7n c\u1ee7a n\u01b0\u1edbc. N\u01b0\u1edbc ngu\u1ed3n c\u1ea5p c\u00f3 \u0111\u1ed9 m\u1eb7n cao v\u00e0o th\u00e1ng 1 th\u00ec thu ho\u1ea1ch t\u00f4m s\u1edbm.<\/p>\n

\u00a0L\u1ecbch th\u1eddi v\u1ee5 nu\u00f4i t\u00f4m c\u00e0ng xanh xen canh v\u1edbi l\u00faa v\u00e0 lu\u00e2n canh v\u1edbi t\u00f4m s\u00fa<\/em><\/p>\n\n\n\n\n\n\n
Th\u00e1ng<\/strong><\/td>\n2<\/strong><\/td>\n3<\/strong><\/td>\n4<\/strong><\/td>\n5<\/strong><\/td>\n6<\/strong><\/td>\n7<\/strong><\/td>\n8<\/strong><\/td>\n9<\/strong><\/td>\n10<\/strong><\/td>\n11<\/strong><\/td>\n12<\/strong><\/td>\n1<\/strong><\/td>\n<\/tr>\n
T\u00f4m s\u00fa<\/td>\nx<\/td>\nx<\/td>\nx<\/td>\nx<\/td>\nx<\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n<\/tr>\n
T\u00f4m c\u00e0ng xanh<\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\nx<\/td>\nx<\/td>\nx<\/td>\nx<\/td>\nx<\/td>\nx<\/td>\nx<\/td>\n<\/tr>\n
L\u00faa<\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\n <\/td>\nx<\/td>\nx<\/td>\nx<\/td>\nx<\/td>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

4.\u00a0<\/strong>Ch\u1ecdn gi\u1ed1ng<\/strong><\/p>\n

Ch\u1ecdn t\u00f4m c\u00e0ng xanh gi\u1ed1ng c\u00f3 chi\u1ec1u d\u00e0i th\u00e2n 11-13mm (Post 12-15), \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n qu\u1ed1c gia: Ngo\u1ea1i h\u00ecnh: ho\u00e0n ch\u1ec9nh, kh\u00f4ng b\u1ecb t\u1ed5n th\u01b0\u01a1ng; M\u00e0u s\u1eafc: m\u00e0u x\u00e1m nh\u1ea1t ho\u1eb7c x\u00e1m trong; Tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng: t\u00f4m th\u01b0\u1eddng b\u01a1i h\u01b0\u1edbng v\u1ec1 ph\u00eda tr\u01b0\u1edbc, b\u00e1m ch\u1eafc v\u00e0o \u0111\u00e1y v\u00e0 th\u00e0nh b\u1ec3, ph\u1ea3n \u1ee9ng nhanh v\u1edbi ch\u01b0\u1edbng ng\u1ea1i v\u1eadt v\u00e0 \u00e1nh s\u00e1ng m\u1ea1nh, ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh khi ng\u01b0ng s\u1ee5c kh\u00ed.<\/p>\n

5.\u00a0<\/strong>K\u1ef9 thu\u1eadt \u01b0\u01a1ng v\u00e0 nu\u00f4i t\u00f4m c\u00e0ng xanh xen v\u1edbi l\u00faa<\/strong><\/p>\n

– Giai \u0111o\u1ea1n \u01b0\u01a1ng t\u1eeb t\u00f4m h\u1eadu \u1ea5u tr\u00f9ng l\u00ean t\u00f4m gi\u1ed1ng:<\/em><\/p>\n

M\u1eadt \u0111\u1ed9 th\u1ea3 10-20 con\/m2<\/sup>. \u0110\u1ed9 m\u1eb7n trong ru\u1ed9ng t\u1eeb 0-12\u2030 \u1edf th\u00e1ng th\u1ee9 nh\u1ea5t, t\u1eeb 0-7\u2030 \u1edf th\u00e1ng th\u1ee9 hai.<\/p>\n

Cho t\u00f4m \u0103n th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p h\u00e0m l\u01b0\u1ee3ng protein 42%. Cho t\u00f4m \u0103n 4 l\u1ea7n\/ng\u00e0y (7-8h, 10-11h, 17-18h, 21-22h) v\u1edbi kh\u1ea9u ph\u1ea7n \u0103n 20-200% kh\u1ed1i l\u01b0\u1ee3ng t\u00f4m trong 4 tu\u1ea7n \u0111\u1ea7u v\u00e0 gi\u1ea3m d\u1ea7n sau \u0111\u00f3. Th\u1ee9c \u0103n r\u1ea3i \u0111\u1ec1u kh\u1eafp ao \u01b0\u01a1ng ho\u1eb7c m\u01b0\u01a1ng.<\/p>\n

Kh\u1ea9u ph\u1ea7n \u0103n cho t\u00f4m c\u00e0ng xanh giai \u0111o\u1ea1n \u01b0\u01a1ng l\u00ean t\u00f4m gi\u1ed1ng<\/em><\/p>\n\n\n\n\n\n\n\n
Tu\u1ea7n \u01b0\u01a1ng<\/td>\nL\u01b0\u1ee3ng th\u1ee9c \u0103n (% kh\u1ed1i l\u01b0\u1ee3ng th\u00e2n)<\/td>\n<\/tr>\n
1-2<\/td>\n50-200<\/td>\n<\/tr>\n
3-4<\/td>\n20-50<\/td>\n<\/tr>\n
5-6<\/td>\n10-20<\/td>\n<\/tr>\n
7-10<\/td>\n8-10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u0110\u1eb7t s\u00e0ng \u0103n t\u1eeb tu\u1ea7n th\u1ee9 3 sau khi th\u1ea3 gi\u1ed1ng \u01b0\u01a1ng \u0111\u1ec3 ki\u1ec3m tra v\u00e0 \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng th\u1ee9c \u0103n t\u00f4m \u0103n. S\u00e0ng \u0103n c\u00f3 di\u1ec7n t\u00edch 1m2<\/sup>, \u0111\u1eb7t 4-10 s\u00e0ng \u0103n\/1.000m2<\/sup>\u00a0ao hay m\u01b0\u01a1ng bao.<\/p>\n

\u0110\u1ecbnh k\u1ef3 10-15 ng\u00e0y thay 20-30% n\u01b0\u1edbc trong ru\u1ed9ng \u01b0\u01a1ng. Sau khi \u01b0\u01a1ng 1,5-2,5 th\u00e1ng th\u00ec d\u00e2ng m\u1ef1c n\u01b0\u1edbc m\u01b0\u01a1ng bao cho t\u00f4m l\u00ean kh\u1eafp ru\u1ed9ng nu\u00f4i. N\u1ebfu \u01b0\u01a1ng t\u00f4m trong ao \u01b0\u01a1ng li\u1ec1n k\u1ec1 ru\u1ed9ng nu\u00f4i th\u00ec th\u00e1o b\u1edbt n\u01b0\u1edbc \u0111\u1ec3 k\u00e9o t\u00f4m th\u1ea3 l\u00ean ru\u1ed9ng, ho\u1eb7c c\u00f3 th\u1ec3 m\u1edf b\u1edd ao \u01b0\u01a1ng th\u00f4ng v\u1edbi m\u01b0\u01a1ng bao c\u1ee7a ru\u1ed9ng \u0111\u1ec3 t\u00f4m gi\u1ed1ng t\u1ef1 di chuy\u1ec3n ra ru\u1ed9ng.<\/p>\n

– Giai \u0111o\u1ea1n nu\u00f4i t\u1eeb t\u00f4m gi\u1ed1ng l\u00ean t\u00f4m th\u1ecbt:<\/em><\/p>\n

M\u1eadt \u0111\u1ed9 t\u00f4m gi\u1ed1ng th\u1ea3 nu\u00f4i xan canh v\u1edbi l\u00faa tr\u00ean ru\u1ed9ng t\u1eeb 1,5-2,5 con\/m2<\/sup>\u00a0tu\u1ef3 theo kh\u1ea3 n\u0103ng b\u1ed5 sung th\u1ee9c \u0103n cho t\u00f4m trong khi nu\u00f4i.<\/p>\n

– Th\u1ee9c \u0103n v\u00e0 qu\u1ea3n l\u00fd th\u1ee9c \u0103n cho t\u00f4m:<\/em><\/p>\n

Cho t\u00f4m \u0103n th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p 35-40% protein v\u00e0 th\u1ee9c \u0103n t\u01b0\u01a1i s\u1ed1ng l\u00e0 c\u00e1 r\u00f4 phi, c\u00e1 ch\u1ed1t hay c\u00e1 l\u00f9 \u0111\u00f9. C\u00e1 nh\u1ecf c\u00f3 th\u1ec3 \u0111\u1ec3 nguy\u00ean con, c\u00e1 l\u1edbn \u0111\u01b0\u1ee3c c\u1eaft kh\u00fac cho t\u00f4m \u0103n.<\/p>\n

Th\u1eddi gian cho \u0103n: 7-8h, 16-17h, 22-23h. Cho t\u00f4m \u0103n th\u1ee9c \u0103n t\u01b0\u01a1i s\u1ed1ng v\u00e0o bu\u1ed5i s\u00e1ng, th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p v\u00e0o bu\u1ed5i chi\u1ec1u.<\/p>\n

Th\u1ee9c \u0103n cho t\u00f4m c\u00e0ng xanh giai \u0111o\u1ea1n nu\u00f4i t\u00f4m th\u1ecbt<\/em><\/p>\n\n\n\n\n\n\n\n\n\n
Kh\u1ed1i l\u01b0\u1ee3ng t\u00f4m (g\/con)<\/td>\nL\u01b0\u1ee3ng th\u1ee9c \u0103n (% kh\u1ed1i l\u01b0\u1ee3ng t\u00f4m\/ng\u00e0y)<\/td>\n<\/tr>\n
2,5-3<\/td>\n6,5<\/td>\n<\/tr>\n
4-5<\/td>\n5,5<\/td>\n<\/tr>\n
6-9<\/td>\n4-5<\/td>\n<\/tr>\n
10-20<\/td>\n3-4<\/td>\n<\/tr>\n
20-35<\/td>\n2-3<\/td>\n<\/tr>\n
>35<\/td>\n1-2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

R\u1ea3i \u0111\u1ec1u th\u1ee9c \u0103n kh\u1eafp m\u1eb7t ru\u1ed9ng, m\u01b0\u01a1ng bao v\u00e0 \u0111\u1eb7t trong s\u00e0ng \u0103n. Sau 1-2 gi\u1edd ki\u1ec3m tra s\u00e0ng \u0103n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u1ee9c \u0103n cho ph\u00f9 h\u1ee3p.<\/p>\n

– Qu\u1ea3n l\u00fd n\u01b0\u1edbc tr\u1ecdng ru\u1ed9ng nu\u00f4i t\u00f4m c\u00e0ng xanh:<\/em><\/p>\n

T\u00f4m c\u00e0ng xanh s\u1ed1ng ch\u1ee7 y\u1ebfu \u1edf t\u1ea7ng \u0111\u00e1y n\u00ean ch\u1ec9 cho t\u00f4m \u0103n th\u1ee9c \u0103n v\u1eeba \u0111\u1ee7, tr\u00e1nh d\u01b0 th\u1eeba.<\/p>\n

Gi\u1eef \u1ed5n \u0111\u1ecbnh \u0111\u1ed9 pH t\u1eeb 7,5-8,5 b\u1eb1ng c\u00e1ch t\u1ea1t n\u01b0\u1edbc v\u00f4i trong ru\u1ed9ng v\u00e0 r\u1ea3i v\u00f4i xung quanh b\u1edd ru\u1ed9ng tr\u01b0\u1edbc khi tr\u1eddi m\u01b0a v\u1edbi l\u01b0\u1ee3ng 5-7kg\/1.000m2<\/sup>.<\/p>\n

Nhi\u1ec7t \u0111\u1ed9 t\u1eeb 27-32 \u0111\u1ed9C, duy tr\u00ec m\u1ef1c n\u01b0\u1edbc t\u1ed1i thi\u1ec3u 0,4m tr\u00ean m\u1eb7t tr\u1ea3ng ho\u1eb7c 0,8-1,2m \u1edf m\u01b0\u01a1ng bao. M\u1ef1c n\u01b0\u1edbc tr\u00ean tr\u1ea3ng sau khi thu ho\u1ea1ch l\u00faa duy tr\u00ec \u1edf m\u1ee9c 0,4-0,7m.<\/p>\n

\u00d4xy ho\u00e0 tan \u0111\u1ea3m b\u1ea3o t\u1eeb 3mg\/l b\u1eb1ng c\u00e1ch \u0111\u1ecbnh k\u1ef3 2-3 l\u1ea7n\/th\u00e1ng thay 10-30% l\u01b0\u1ee3ng n\u01b0\u1edbc trong ru\u1ed9ng nu\u00f4i.<\/p>\n

\u0110\u1ed9 m\u1eb7n t\u1eeb 0-10%, c\u1ea7n theo d\u00f5i \u0111\u1ed9 m\u1eb7n v\u00e0o th\u00e1ng 12 v\u00e0 th\u00e1ng 1 n\u0103m sau m\u1ed7i ng\u00e0y \u0111\u1ec3 khi thay n\u01b0\u1edbc kh\u00f4ng l\u00e0m t\u0103ng \u0111\u1ed9t ng\u1ed9t \u0111\u1ed9 m\u1eb7n n\u01b0\u1edbc ru\u1ed9ng nu\u00f4i.<\/p>\n

Qu\u1ea3n l\u00fd h\u00e0m l\u01b0\u1ee3ng H2<\/sub>S v\u00e0 NH3<\/sub>\u00a0b\u1eb1ng c\u00e1ch h\u1ea1n ch\u1ebf th\u1ee9c \u0103n th\u1eeba, c\u1ea3i t\u1ea1o ru\u1ed9ng nu\u00f4i \u0111\u00fang k\u1ef9 thu\u1eadt nh\u01b0 v\u00e9t b\u00f9n v\u00e0 ch\u1ea5t th\u1ea3i trong m\u01b0\u01a1ng bao t\u1eeb v\u1ee5 tr\u01b0\u1edbc, l\u1eafng l\u1ecdc n\u01b0\u1edbc, h\u1ea1n ch\u1ebf ch\u1ea5t h\u1eefu c\u01a1 b\u00ean ngo\u00e0i.<\/p>\n

\u0110\u1ec3 tr\u00e1nh \u0111\u1ecbch h\u1ea1i, r\u00e0o l\u01b0\u1edbi xung quanh b\u1edd ao, ki\u1ec3m tra hang h\u1ed1c l\u1ed7 m\u1ecdi v\u00e0 l\u1ecdc n\u01b0\u1edbc k\u1ef9. N\u1ebfu c\u00f3 c\u00e1 t\u1ea1p th\u00ec ch\u00e0i hay gi\u0103ng l\u01b0\u1edbi b\u1eaft c\u00e1 ho\u1eb7c c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng r\u1ec5 c\u00e2y thu\u1ed1c c\u00e1 \u0111\u1eadp ra ng\u00e2m n\u01b0\u1edbc v\u00e0 t\u1ea1t v\u00e0o m\u01b0\u01a1ng bao sau khi h\u1ea1 m\u1ef1c n\u01b0\u1edbc tr\u00ean m\u1eb7t tr\u1ea3ng v\u1edbi li\u1ec1u l\u01b0\u1ee3ng 0,5-1kg\/100m3<\/sup>.<\/p>\n

Theo d\u00f5i t\u0103ng tr\u01b0\u1edfng t\u00f4m nu\u00f4i 2 l\u1ea7n\/th\u00e1ng b\u1eb1ng c\u00e1ch ch\u00e0i t\u00f4m, c\u00e2n kh\u1ed1i l\u01b0\u1ee3ng t\u00f4m, qua \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng th\u1ee9c \u0103n cho t\u00f4m.<\/p>\n

– Qu\u1ea3n l\u00fd s\u1ee9c kho\u1ebb t\u00f4m nu\u00f4i:<\/em><\/p>\n

T\u00f4m \u0111\u00f3ng rong: Do t\u00f4m ch\u1eadm l\u1ed9t x\u00e1c trong th\u1eddi gian d\u00e0i (dinh d\u01b0\u1ee1ng k\u00e9m v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc kh\u00f4ng t\u1ed1t). C\u00e1ch kh\u1eafc ph\u1ee5c: \u0111\u1ecbnh k\u1ef3 10-15 ng\u00e0y thay 20-30% n\u01b0\u1edbc nh\u1eb1m k\u00edch th\u00edch t\u00f4m l\u1ed9t x\u00e1c \u0111\u1ed3ng lo\u1ea1t; t\u0103ng c\u01b0\u1eddng th\u1ee9c \u0103n gi\u00e0u dinh d\u01b0\u1ee1ngv\u00e0 cho t\u00f4m \u0103n \u0111\u1ee7 l\u01b0\u1ee3ng th\u1ee9c \u0103n.<\/p>\n

T\u00f4m b\u1ecb \u0111en mang: Do n\u1ec1n \u0111\u00e1y b\u1ea9n, n\u01b0\u1edbc c\u00f3 nhi\u1ec1u ch\u1ea5t h\u1eefu c\u01a1 do cho \u0103n d\u01b0, pH th\u1ea5p. Kh\u1eafc ph\u1ee5c b\u1eb1ng c\u00e1ch thu t\u1ec9a t\u00f4m b\u1ecb \u0111en mang, thay n\u01b0\u1edbc m\u1edbi, cho t\u00f4m \u0103n \u0111\u1ee7 l\u01b0\u1ee3ng th\u1ee9c \u0103n, b\u00f3n v\u00f4i v\u00e0o ru\u1ed9ng nu\u00f4i l\u01b0\u1ee3ng 0,5-1kg\/100m2<\/sup>\u00a0\u0111\u1ec3 n\u00e2ng pH.<\/p>\n

– Thu ho\u1ea1ch:<\/em><\/p>\n

Tr\u01b0\u1edbc khi thu ho\u1ea1ch 5-7 ng\u00e0y thay n\u01b0\u1edbc nh\u1eb1m gi\u00fap t\u00f4m l\u1ed9t v\u1ecf \u0111\u1ed3ng lo\u1ea1t v\u00e0 c\u1ee9ng v\u1ecf. Th\u00e1o n\u01b0\u1edbc cho t\u00f4m xu\u1ed1ng m\u01b0\u01a1ng bao v\u00e0 k\u00e9o l\u01b0\u1edbi thu ho\u1ea1ch t\u00f4m. S\u1ed1 t\u1ed3m c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c b\u1eaft b\u1eb1ng tay. C\u1ee1 t\u00f4m thu ho\u1ea1ch t\u1eeb 30-40g\/con. T\u1ef7 l\u1ec7 s\u1ed1ng t\u1eeb 50-60%. N\u0103ng su\u1ea5t \u0111\u1ea1t 300-400kg\/ha.<\/p>\n

\u00a07<\/strong>.\u00a0Tr\u1ed3ng l\u00faa<\/strong><\/p>\n

C\u00f3 th\u1ec3 ch\u1ecdn gi\u1ed1ng ch\u1ecbu m\u1eb7n t\u1eeb 3-6%, th\u1eddi gian canh t\u00e1c l\u00faa t\u1eeb 95-105 ng\u00e0y nh\u01b0 gi\u1ed1ng OM2517, OM18, OM429, \u2026 L\u00faa \u0111\u01b0\u1ee3c c\u1ea5y 15 ng\u00e0y tr\u01b0\u1edbc khi thu ho\u1ea1ch t\u00f4m c\u00e0ng xanh gi\u1ed1ng v\u00e0 th\u1ea3 nu\u00f4i tr\u00ean ru\u1ed9ng. Th\u1eddi \u0111i\u1ec3m c\u1ea5y l\u00faa, \u0111\u1ed9 m\u1eb7n trong ru\u1ed9ng 0-4\u2030.<\/p>\n

S\u1eed d\u1ee5ng ph\u00e2n b\u00f3n: 60-80kg N\/ha + 40kg P2<\/sub>O5<\/sub>\/ha + 30kg K2<\/sub>O\/ha n\u1ebfu kh\u00f4ng cho t\u00f4m \u0103n. M\u1ef1c n\u01b0\u1edbc tr\u00ean tr\u1ea3ng khi tr\u1ed3ng l\u00faa t\u1eeb 0,1-0,3m tu\u1ef3 theo s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y l\u00faa. H\u1ea1n ch\u1ebf t\u1ed1i \u0111a s\u1eed d\u1ee5ng thu\u1ed1c, ho\u00e1 ch\u1ea5t cho l\u00faa v\u00ec c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00f4m nu\u00f4i. N\u0103ng su\u1ea5t l\u00faa c\u00f3 th\u1ec3 \u0111\u1ea1t 5-6 t\u1ea5n\/ha\/v\u1ee5.<\/p>\n

Sau khi thu ho\u1ea1ch gi\u1eef nguy\u00ean g\u1ed1c r\u1ea1 v\u00e0 n\u00e2ng m\u1ef1c n\u01b0\u1edbc tr\u00ean tr\u1ea3ng c\u00e0ng cao c\u00e0ng t\u1ed1t, duy tr\u00ec m\u1ef1c n\u01b0\u1edbc t\u1eeb 0,4-0,7m \u0111\u1ec3 t\u00f4m ph\u00e1t tri\u1ec3n t\u1ed1t. t\u00f4m c\u00e0ng xanh \u0111\u01b0\u1ee3c thu ho\u1ea1ch kho\u1ea3ng 1 th\u00e1ng sau khi thu ho\u1ea1ch l\u00faa.<\/p>\n

H\u1ea1nh Quy\u00ean<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Nu\u00f4i t\u00f4m trong ru\u1ed9ng l\u00faa l\u00e0\u202fh\u00ecnh th\u1ee9c canh t\u00e1c k\u1ebft h\u1ee3p\u202fgi\u1eefa tr\u1ed3ng tr\u1ecdt v\u00e0 th\u1ee7y s\u1ea3n. 1.\u00a0Ch\u1ecdn \u0111\u1ecba \u0111i\u1ec3m nu\u00f4i \u0110\u1ecba \u0111i\u1ec3m nu\u00f4i trong v\u00f9ng \u0111\u01b0\u1ee3c quy ho\u1ea1ch cho nu\u00f4i t\u00f4m c\u00e0ng xanh \u0111\u1ecba ph\u01b0\u01a1ng. \u0110\u1ecba \u0111i\u1ec3m nu\u00f4i g\u1ea7n ngu\u1ed3n n\u01b0\u1edbc \u0111\u1ec3 thu\u1eadn l\u1ee3i cho vi\u1ec7c c\u1ea5p v\u00e0 tho\u00e1t n\u01b0\u1edbc. Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u1ea3m b\u1ea3o<\/p>\n","protected":false},"author":1,"featured_media":106,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-105","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ky-thuat-nuoi-tom"],"_links":{"self":[{"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/posts\/105","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/comments?post=105"}],"version-history":[{"count":1,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/posts\/105\/revisions"}],"predecessor-version":[{"id":107,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/posts\/105\/revisions\/107"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/media\/106"}],"wp:attachment":[{"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/media?parent=105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/categories?post=105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/tags?post=105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}