{"id":2752,"date":"2024-03-29T16:50:40","date_gmt":"2024-03-29T09:50:40","guid":{"rendered":"https:\/\/ifs.edu.vn\/?p=2752"},"modified":"2025-03-29T16:54:45","modified_gmt":"2025-03-29T09:54:45","slug":"quy-trinh-ky-thuat-trong-va-cham-soc-cay-sa-nhan-tim","status":"publish","type":"post","link":"https:\/\/ifs.edu.vn\/?p=2752&lang=vi","title":{"rendered":"QUY TR\u00ccNH K\u1ef8 THU\u1eacT TR\u1ed2NG V\u00c0 CH\u0102M S\u00d3C C\u00c2Y SA NH\u00c2N T\u00ccM"},"content":{"rendered":"<div class=\"description\">V\u1edbi \u0111\u1eb7c t\u00ednh d\u1ec5 tr\u1ed3ng d\u01b0\u1edbi t\u00e1n r\u1eebng t\u1ef1 nhi\u00ean v\u00e0 t\u00e1i sinh, kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng, ph\u00e1t t\u00e1n nhanh, gi\u00e1 tr\u1ecb kinh t\u1ebf cao, th\u1ecb tr\u01b0\u1eddng ti\u00eau th\u1ee5 t\u1ed1t, sa nh\u00e2n t\u00edm \u0111ang l\u00e0 \u201cc\u00e2y x\u00f3a ngh\u00e8o\u201d hi\u1ec7u qu\u1ea3 \u1edf v\u00f9ng cao, \u0111\u1ea5t d\u1ed1c, kh\u00f4 h\u1ea1n<\/div>\n<div class=\"article-body-content\">\n<p><a href=\"https:\/\/ifrad.vn\/media\/stories\/files\/eed37f8fc1c7782f65668e5700f8bd07.pdf\">\/media\/stories\/files\/eed37f8fc1c7782f65668e5700f8bd07.pdf<\/a><\/p>\n<p><strong>1. Th\u1eddi v\u1ee5 tr\u1ed3ng:<\/strong><\/p>\n<p>Tr\u1ed3ng v\u1ee5 xu\u00e2n ho\u1eb7c v\u1ee5 thu, ch\u1ecdn nh\u1eefng ng\u00e0y r\u00e2m m\u00e1t ho\u1eb7c c\u00f3 m\u01b0a nh\u1ecf.<\/p>\n<p>V\u1ee5 xu\u00e2n v\u00e0o\u00a0 th\u00e1ng 2 -3. Th\u1eddi ti\u1ebft m\u00f9a xu\u00e2n c\u00f3 m\u01b0a ph\u00f9n, \u0111\u1ea5t \u1ea9m, \u00edt n\u1eafng n\u00ean c\u00e2y gi\u1ed1ng mau h\u1ed3i ph\u1ee5c.<\/p>\n<p>&#8211; V\u1ee5 thu v\u00e0o th\u00e1ng 7- 8. Th\u1eddi ti\u1ebft m\u01b0a nhi\u1ec1u, nh\u01b0ng c\u0169ng n\u1eafng nhi\u1ec1u; ph\u1ea3i ch\u00fa \u00fd ch\u0103m s\u00f3c (ch\u1ebf \u0111\u1ed9 t\u01b0\u1edbi).<\/p>\n<p>Ngo\u00e0i ra, Sa Nh\u00e2n c\u00f3 th\u1ec3 tr\u1ed3ng v\u00e0o c\u1ea3 m\u00f9a \u0111\u00f4ng (th\u00e1ng 11- 12). Th\u1eddi ti\u1ebft \u00edt m\u01b0a, \u0111\u1ea5t kh\u00f4 ph\u1ea3i t\u01b0\u1edbi nhi\u1ec1u, k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c v\u1eabn r\u1ea5t kh\u1ea3 quan.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/ifrad.vn\/media\/stories\/images\/92b750692004f00cca3f16a4412a9699.jpg\" alt=\"\" \/><\/p>\n<p><strong>2. Ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng v\u00e0 m\u1eadt \u0111\u1ed9 tr\u1ed3ng<\/strong><\/p>\n<p><strong><em>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &#8211; Tr\u1ed3ng Sa Nh\u00e2n d\u01b0\u1edbi t\u00e1n r\u1eebng tr\u1ed3ng<\/em><\/strong><\/p>\n<p>+ Tr\u1ed3ng Sa Nh\u00e2n d\u01b0\u1edbi t\u00e1n r\u1eebng l\u00e0 ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng xen v\u1edbi c\u00e2y tr\u1ed3ng ch\u00ednh c\u00e2y Keo, c\u00e2y M\u1ee1, Xoan\u2026). \u1ede ph\u01b0\u01a1ng th\u1ee9c n\u00e0y, ta t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c \u0111\u1ed9 che t\u00e1n c\u1ee7a c\u00e2y tr\u1ed3ng ch\u00ednh \u0111\u1ec3 c\u00e2y Sa Nh\u00e2n ph\u00e1t tri\u1ec3n.<\/p>\n<p>+ X\u1eed l\u00fd th\u1ef1c b\u00ec: Ti\u1ebfn h\u00e0nh ph\u00e1t d\u1ecdn th\u1ea3m t\u01b0\u01a1i c\u00e2y b\u1ee5i, d\u00e2y leo. Ti\u1ebfp theo n\u1ebfu \u0111\u1ed9 che t\u00e1n cao tr\u00ean 0,7 ph\u1ea3i ti\u1ebfn h\u00e0nh t\u1ec9a t\u00e1n \u0111\u1ec3 h\u1ea1 \u0111\u1ed9 che tan xu\u1ed1ng d\u01b0\u1edbi 0,5 -0,6.<\/p>\n<p>\u0110\u00e0o h\u1ed1 tr\u1ed3ng theo b\u0103ng d\u1ecdc theo h\u00e0ng c\u00e2y tr\u1ed3ng ch\u00ednh, c\u00e1ch g\u1ed1c c\u00e2y tr\u1ed3ng ch\u00ednh t\u1eeb 1 m.<\/p>\n<p>+ M\u1eadt \u0111\u1ed9 tr\u1ed3ng: T\u00f9y m\u1eadt \u0111\u1ed9 c\u00e2y tr\u1ed3ng ch\u00ednh m\u00e0 m\u1eadt \u0111\u1ed9 tr\u1ed3ng Sa Nh\u00e2n kh\u00e1c nhau. Nh\u00ecn chung kho\u1ea3ng t\u1eeb 6000 &#8211; 9000 c\u00e2y\/ha. C\u1ef1 ly \u0111\u00e0o h\u1ed1 tr\u1ed3ng Sa Nh\u00e2n l\u00e0 1 x 1m\/1 c\u00e2y gi\u1ed1ng.<\/p>\n<p>+ Ch\u0103m s\u00f3c sau tr\u1ed3ng: \u1ede ph\u01b0\u01a1ng th\u1ee9c n\u00e0y, ta ph\u1ea3i ch\u00fa y duy tr\u00ec \u0111\u1ed9 che t\u00e1n \u1edf m\u1ee9c d\u01b0\u1edbi 0,6 .<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/ifrad.vn\/media\/stories\/images\/43ae17cc7c5c47681232e7f459ae13a5.jpg\" alt=\"\" \/><\/p>\n<p><strong><em>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &#8211; Tr\u1ed3ng Sa Nh\u00e2n d\u01b0\u1edbi t\u00e1n r\u1eebng t\u1ef1 nhi\u00ean:<\/em><\/strong><\/p>\n<p>+ X\u1eed l\u00fd th\u1ef1c b\u00ec: Ti\u1ebfn h\u00e0nh ch\u1eb7t b\u1ecf nh\u1eefng c\u00e2y che t\u00e1n kh\u00f4ng c\u1ea7n thi\u1ebft (c\u00e2y kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb v\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e2y b\u1ea3o t\u1ed3n), ph\u00e1t d\u1ecdn th\u1ea3m t\u01b0\u01a1i c\u00e2y b\u1ee5i, d\u00e2y leo. Ti\u1ebfp theo ti\u1ebfn h\u00e0nh t\u1ec9a t\u00e1n \u0111\u1ec3 h\u1ea1 \u0111\u1ed9 che tan xu\u1ed1ng d\u01b0\u1edbi 0,5 -0,6.<\/p>\n<p>+ T\u00f9y \u0111i\u1ec1u ki\u1ec7n th\u1ef1c b\u00ec m\u00e0 ta c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh tr\u1ed3ng theo b\u0103ng ho\u1eb7c theo \u0111\u00e1m. Nh\u00ecn chung trong r\u1eebng t\u1ef1 nhi\u00ean, c\u00f3 nhi\u1ec1u c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb l\u1ea5y g\u1ed7 v\u00e0 khai th\u00e1c l\u00e2m s\u1ea3n ngo\u00e0i g\u1ed7 c\u1ea7n \u0111\u01b0\u1ee3c l\u01b0u gi\u1eef n\u00ean th\u01b0\u1eddng d\u1ecdn th\u1ef1c b\u00ec v\u00e0 tr\u1ed3ng Sa Nh\u00e2n theo \u0111\u00e1m. \u0110\u00e0o h\u1ed1 theo ki\u1ec3u so le nanh s\u1ea5u v\u00e0 c\u00e1ch g\u1ed1c c\u00e2y tr\u1ed3ng ch\u00ednh kho\u1ea3ng 2 &#8211; 4 m (t\u00f9y \u0111\u1ed9 che t\u00e1n v\u00e0 kh\u1ea3 n\u0103ng t\u1ec9a t\u00e1n c\u00e2y tr\u1ed3ng ch\u00ednh).<\/p>\n<p>+ C\u1ef1 ly \u0111\u00e0o h\u1ed1: 1 c\u00e2y\/ 1m<sup>2<\/sup><\/p>\n<p>+ Ch\u0103m s\u00f3c sau tr\u1ed3ng: \u1ede ph\u01b0\u01a1ng th\u1ee9c n\u00e0y, ta ph\u1ea3i ch\u00fa \u00fd duy tr\u00ec \u0111\u1ed9 che t\u00e1n \u1edf m\u1ee9c d\u01b0\u1edbi 0,6.<\/p>\n<p><strong><em>\u00a0 \u00a0\u00a0\u00a0\u00a0&#8211; Tr\u1ed3ng Sa Nh\u00e2n d\u01b0\u1edbi t\u00e1n v\u01b0\u1eddn c\u00e2y \u0103n qu\u1ea3 ho\u1eb7c v\u01b0\u1eddn t\u1ea1p:<\/em><\/strong><\/p>\n<p>+ X\u1eed l\u00fd th\u1ef1c b\u00ec: Tr\u01b0\u1edbc khi tr\u1ed3ng Sa Nh\u00e2n c\u0169ng ph\u1ea3i ch\u1eb7t b\u1ecf nh\u1eefng c\u00e2y kh\u00f4ng c\u00f3 \u00edch (\u1edf v\u01b0\u1eddn t\u1ea1p), t\u1ec9a b\u1edbt c\u00e0nh \u1edf c\u00e1c c\u00e2y \u0103n qu\u1ea3 n\u1ebfu c\u00f3 th\u1ec3.<\/p>\n<p>+ C\u00e2y \u0103n qu\u1ea3 l\u00e0 c\u00e2y t\u1ec9a t\u00e1n h\u00e0ng n\u0103m n\u00ean c\u00f3 th\u1ec3 tr\u1ed3ng Sa Nh\u00e2n theo h\u00e0ng xen gi\u1eefa c\u00e1c b\u0103ng c\u00e2y \u0103n qu\u1ea3. Tr\u1ed3ng c\u00e1ch g\u1ed1c c\u00e2y \u0103n qu\u1ea3 1 m.<\/p>\n<p>+ M\u1eadt \u0111\u1ed9 tr\u1ed3ng: kho\u1ea3ng 6000-9000 c\u00e2y\/ha. C\u1ef1 ly tr\u1ed3ng l\u00e0 1 x 1 m\/1 c\u00e2y.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/ifrad.vn\/media\/stories\/images\/d1bbd88471bda52f709b775cb71842b2.jpg\" alt=\"\" \/>\u00a0 \u00a0\u00a0<img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/ifrad.vn\/media\/stories\/images\/1522bc7927a9a62c3b44b776c8ad2d74.jpg\" alt=\"\" \/><\/p>\n<p><em>\u00a0\u00a0\u00a0\u00a0\u00a0 &#8211;\u00a0<strong>Tr\u1ed3ng Sa Nh\u00e2n tr\u00ean \u0111\u1ea5t n\u01b0\u01a1ng r\u1eaby \u0111\u00e3 b\u1ecf hoang<\/strong><\/em>:<\/p>\n<p>+ Lo\u1ea1i \u0111\u1ea5t n\u00e0y v\u1ed1n \u0111\u01b0\u1ee3c khai ph\u00e1 t\u1eeb r\u1eebng, sau nhi\u1ec1u n\u0103m tr\u1ed3ng ch\u00e8 ho\u1eb7c canh t\u00e1c c\u00e2y l\u01b0\u01a1ng th\u1ef1c, \u0111\u1ea5t b\u1ecb x\u00f3i m\u00f2n, c\u00e2y tr\u1ed3ng n\u0103ng su\u1ea5t k\u00e9m n\u00ean b\u1ecf hoang; c\u1ecf d\u1ea1i, c\u00e2y b\u1ee5i v\u00e0 c\u00e2y g\u1ed7 nh\u1ecf x\u00e2m l\u1ea5n. \u0110\u1ed9 d\u1ed1c d\u01b0\u1edbi 30<sup>0\u00a0\u00a0<\/sup>.<\/p>\n<p>+ \u0110\u1ed1i v\u1edbi ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng thu\u1ea7n lo\u1ea1i Sa Nh\u00e2n t\u00edm tr\u00ean \u0111\u1ea5t r\u1eebng sau n\u01b0\u01a1ng r\u1eaby ph\u1ea3i ti\u1ebfn h\u00e0nh ch\u1eb7t ph\u00e1t b\u1ecf g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 c\u00e1c c\u00e2y b\u1ee5i v\u00e0 g\u1ed7 nh\u1ecf. Ch\u1ec9 ch\u1eeba l\u1ea1i m\u1ed9t s\u1ed1 c\u00e2y g\u1ed7 c\u00f3 t\u00e1n l\u00e1 tho\u00e1ng (tr\u00e1nh gi\u00f3 b\u00e3o l\u00e0m \u0111\u1ed5) v\u1edbi t\u1ed5ng \u0111\u1ed9 t\u00e0n che t\u1eeb 10 &#8211; 20% (t\u1ed1i \u0111a 30%). Cu\u1ed1c b\u1ecf g\u1ed1c c\u00e2y, l\u01b0\u1ee3m b\u1edbt \u0111\u00e1, r\u1eaby c\u1ecf ph\u01a1i kh\u00f4 xong \u0111\u1ed1t l\u1ea5y tro.<\/p>\n<p>+ M\u1eadt \u0111\u1ed9 tr\u1ed3ng: Tr\u1ed3ng v\u1edbi m\u1eadt \u0111\u1ed9 kho\u1ea3ng 9500 &#8211; 9800 c\u00e2y\/ha. C\u1ef1 ly tr\u1ed3ng l\u00e0 1 x1m\u00a0 tr\u1ed3ng 1 c\u00e2y.<\/p>\n<p>Ch\u00fa \u00fd: Trong tr\u1ed3ng Sa Nh\u00e2n ta n\u00ean ti\u1ebfn h\u00e0nh chia l\u00f4, m\u1ed7i l\u00f4 1000 m<sup>2<\/sup>. C\u1ea7n thi\u1ebft k\u1ebf c\u00e1c l\u1ed1i \u0111i l\u1ea1i \u0111\u1ec3 v\u1eadn chuy\u1ec3n c\u00e2y gi\u1ed1ng, ph\u00e2n v\u00e0 \u0111i l\u1ea1i ch\u0103m s\u00f3c thu\u1eadn ti\u00ean.<\/p>\n<p><strong>3. \u00a0L\u00e0m \u0111\u1ea5t, b\u00f3n l\u00f3t v\u00e0 tr\u1ed3ng c\u00e2y<\/strong><\/p>\n<p>&#8211; L\u00e0m \u0111\u1ea5t: Cu\u1ed1c l\u1eadt \u0111\u1ea5t to\u00e0n b\u1ed9 di\u1ec7n t\u00edch, nh\u1eb1m ph\u01a1i \u0111\u1ea5t, di\u1ec7t b\u1edbt tr\u1ee9ng c\u00f4n tr\u00f9ng v\u00e0 h\u1ea1t c\u1ecf.<\/p>\n<p>\u0110\u00e0o h\u1ed1: \u0110\u00e0o h\u1ed1 c\u00f3 k\u00edch th\u01b0\u1edbc r\u1ed9ng 30 x 20 x 30 cm.<\/p>\n<p>&#8211; B\u00f3n l\u00f3t: B\u00f3n l\u00f3t 1,5 &#8211; 2kg ph\u00e2n chu\u1ed3ng hoai cho m\u1ed7i h\u1ed1, d\u00f9ng cu\u1ed1c tr\u1ed9n \u0111\u1ec1u ph\u00e2n v\u1edbi \u0111\u1ea5t, l\u1ea5p m\u1ed9t l\u1edbp \u0111\u1ea5t m\u1ecfng l\u00ean tr\u00ean mi\u1ec7ng h\u1ed1.<\/p>\n<p>&#8211; Tr\u1ed3ng c\u00e2y: D\u00f9ng cu\u1ed1c b\u1edbi l\u1ea1i c\u00e1c h\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c b\u00f3n l\u00f3t khi l\u00e0m \u0111\u1ea5t. \u0110\u1eadp \u0111\u1ea5t cho nh\u1ecf, tr\u1ed9n \u0111\u1ec1u v\u1edbi ph\u00e2n l\u00f3t, d\u00f9ng dao s\u1eafc c\u1eaft t\u00fai b\u1ea7u (n\u1ebfu tr\u1ed3ng c\u00e2y b\u1ea7u), \u0111\u1eb7t c\u00e2y gi\u1ed1ng theo h\u01b0\u1edbng th\u1eb3ng \u0111\u1ee9ng, m\u1ed7i h\u1ed1 tr\u1ed3ng m\u1ed9t nh\u00e1nh hay m\u1ed9t c\u00e2y con, l\u1ea5p \u0111\u1ea5t 6-10 cm v\u00e0 d\u1eabm ch\u1eb7t g\u1ed1c. Khi tr\u1ed3ng n\u1ebfu g\u1eb7p tr\u1eddi n\u1eafng th\u00ec ph\u1ea3i t\u01b0\u1edbi th\u1eabm n\u01b0\u1edbc ngay \u0111\u1ec3 tr\u00e1nh m\u1ea5t n\u01b0\u1edbc v\u00e0 r\u1ec5 ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ea5t \u0111\u01b0\u1ee3c t\u1ed1t.<\/p>\n<p><strong>4. Ch\u0103m s\u00f3c sau tr\u1ed3ng<\/strong><\/p>\n<p><strong><em>* T\u01b0\u1edbi n\u01b0\u1edbc:<\/em><\/strong><\/p>\n<p>Sa Nh\u00e2n t\u00edm l\u00e0 c\u00e2y \u01b0a \u1ea9m, v\u00ec v\u1eady trong tr\u1ed3ng tr\u1ecdt c\u1ea7n ch\u00fa \u00fd kh\u00e2u t\u01b0\u1edbi n\u01b0\u1edbc, nh\u1ea5t l\u00e0 khi c\u00e2y c\u00f2n non. Khi tr\u1ed3ng Sa Nh\u00e2n t\u00edm n\u1ebfu kh\u00f4ng c\u00f3 m\u01b0a, \u0111\u1ea5t kh\u00f4 ph\u1ea3i t\u01b0\u1edbi ngay. Trong v\u00f2ng 2 &#8211; 3 th\u00e1ng \u0111\u1ea7u c\u1ea7n th\u01b0\u1eddng xuy\u00ean t\u01b0\u1edbi n\u01b0\u1edbc, \u0111\u1ec3 \u0111\u1ea5t lu\u00f4n \u1ea9m, c\u00e2y gi\u1ed1ng gi\u1eef \u0111\u01b0\u1ee3c t\u01b0\u01a1i m\u1edbi c\u00f3 th\u1ec3 n\u1ea3y m\u1ea7m \u0111\u01b0\u1ee3c.<\/p>\n<p>Khi c\u00e2y ch\u1ed3i \u0111\u00e3 m\u1ecdc l\u00ean kh\u1ecfi m\u1eb7t \u0111\u1ea5t cho \u0111\u1ebfn khi \u0111\u1ebb nh\u00e1nh, t\u1ea1o th\u00e0nh kh\u00f3m nh\u1ecf, vi\u1ec7c t\u01b0\u1edbi n\u01b0\u1edbc gi\u1ea3m d\u1ea7n, th\u1eadm ch\u00ed kh\u00f4ng c\u1ea7n t\u01b0\u1edbi. Tuy nhi\u00ean, n\u1ebfu Th\u1eddi ti\u1ebft kh\u00f4 hanh, n\u0103ng n\u00f3ng k\u00e9o d\u00e0i th\u1ee1 c\u1ea7n ph\u1ea3i t\u01b0\u1edbi \u0111\u1ec3 c\u00e2y sinh tr\u01b0\u1edfng t\u1ed1t.<\/p>\n<p>C\u00e1ch t\u01b0\u1edbi n\u01b0\u1edbc l\u00fac m\u1edbi tr\u1ed3ng l\u00e0 tr\u1ef1c ti\u1ebfp v\u00e0o g\u1ed1c; khi c\u00e2y \u0111\u00e3 m\u1ecdc v\u00e0 th\u00e0nh kh\u00f3m nh\u1ecf n\u00ean d\u00f9ng v\u00f2i phun l\u00ean c\u1ea3 c\u00e2y.<\/p>\n<p><strong><em>*\u00a0 Tr\u1ed3ng gi\u1eb7m:\u00a0<\/em><\/strong><\/p>\n<p>V\u00ec m\u1ed9t l\u00fd do n\u00e0o \u0111\u00f3 (do ch\u1ea5t l\u01b0\u1ee3ng c\u00e2y gi\u1ed1ng ho\u1eb7c ch\u0103m s\u00f3c kh\u00f4ng \u0111\u1ec1u), s\u1ebd c\u00f3 m\u1ed9t s\u1ed1 nh\u00e1nh b\u1ecb ch\u1ebft, kh\u00f4ng m\u1ecdc ch\u1ed3i. Khi ph\u00e1t hi\u1ec7n th\u1ea5y, c\u1ea7n l\u1ea5y c\u00e1c c\u00e2y gi\u1ed1ng d\u1ef1 tr\u1eef, ho\u1eb7c t\u00e1ch b\u1edbt\u00a0 m\u1ed9t nh\u00e1nh t\u1eeb c\u00e1c kh\u00f3m kh\u00e1c \u0111em tr\u1ed3ng gi\u1eb7m b\u1ed5 sung v\u00e0o ngay.<\/p>\n<p>C\u00e2y tr\u1ed3ng gi\u1eb7m c\u1ea7n ch\u00fa \u00fd ch\u0103m s\u00f3c t\u1ed1t \u0111\u1ec3 cho c\u00e2y nhanh h\u1ed3i ph\u1ee5c v\u00e0 n\u1ea3y m\u1ea7m.<\/p>\n<p><strong><em>* L\u00e0m c\u1ecf, b\u00f3n ph\u00e2n<\/em><\/strong><\/p>\n<p><strong><em>&#8211; L\u00e0<\/em><\/strong><strong><em>m c\u1ecf:<\/em><\/strong><\/p>\n<p>C\u00e1ch l\u00e0m l\u00e0 d\u00f9ng cu\u1ed1c gi\u1eaby b\u1ecf c\u1ecf, nh\u01b0ng xung quanh g\u1ed1c Sa Nh\u00e2n th\u00ec d\u00f9ng tay nh\u1ed5. Do c\u00e2y Sa Nh\u00e2n m\u1ecdc n\u00f4ng, th\u00e2n r\u1ec5 n\u1ed5i tr\u00ean m\u1eb7t \u0111\u1ea5t, b\u1edfi v\u1eady, trong qu\u00e1 tr\u00ecnh ch\u0103m s\u00f3c kh\u00f4ng c\u1ea7n vun g\u1ed1c. C\u1ecf d\u1ea1i gi\u1eaby ra ph\u01a1i d\u01b0\u1edbi n\u1eafng s\u1ebd kh\u00f4 sau th\u00e0nh m\u00f9n cho \u0111\u1ea5t<\/p>\n<p>Trong v\u00f2ng 1,5\u00a0\u00a0 2 n\u0103m \u0111\u1ea7u ti\u00ean, khi c\u00e2y Sa Nh\u00e2n ch\u01b0a ph\u1ee7 k\u00edn m\u1eb7t \u0111\u1ea5t, c\u1ee9 2 &#8211; 3 th\u00e1ng l\u00e0m c\u1ecf m\u1ed9t l\u1ea7n. Th\u1eadm ch\u00ed trong 6 th\u00e1ng \u0111\u1ea7u ti\u00ean 1 &#8211; 1,5 th\u00e1ng m\u1ed9t l\u1ea7n.\u00a0 Khi c\u00e2y Sa Nh\u00e2n \u0111\u1ebb nhi\u1ec1u nh\u00e1nh, lan t\u1ecfa t\u1eeb kh\u00f3m\u00a0 n\u1ecd sang kh\u00f3m kia, m\u1eb7t \u0111\u1ea5t \u0111\u01b0\u1ee3c che ph\u1ee7, c\u1ecf d\u1ea1i s\u1ebd kh\u00f4ng m\u1ecdc \u0111\u01b0\u1ee3c n\u1eefa.<\/p>\n<ul>\n<li><strong><em>B\u00f3n th\u00fac ph\u00e2n:<\/em><\/strong>\u00a0M\u1ed7i n\u0103m b\u00f3n 1 l\u1ea7n<\/li>\n<\/ul>\n<p>N\u0103m 1: B\u00f3n\u00a0 th\u00fac\u00a0 b\u1eb1ng ph\u00e2n\u00a0 NPK-S 10:5.3.13 v\u1edbi l\u01b0\u1ee3ng 1 t\u1ea5n\/ha, b\u00f3n v\u00e0o th\u00e1ng 6-7 (sau khi l\u00e0m c\u1ecf).<\/p>\n<p>N\u0103m th\u1ee9 2 v\u00e0 3 m\u1ed7i ha b\u00f3n 1 t\u1ea5n NPK c\u1ed9ng th\u00eam 1 t\u1ea5n ph\u00e2n vi sinh tr\u1ed9n \u0111\u1ec1u, b\u00f3n v\u00e0o th\u00e1ng 3 (tr\u01b0\u1edbc khi ra hoa).<\/p>\n<p>C\u00e1ch b\u00f3n l\u00e0 r\u1eafc \u0111\u1ec1u quanh g\u1ed1c, khi Sa Nh\u00e2n \u0111\u00e3 m\u1ecdc d\u1ea7y th\u00e0nh th\u1ea3m th\u00ec r\u1eafc ph\u00e2n to\u00e0n b\u1ed9 di\u1ec7n t\u00edch c\u00f3 sa nh\u00e2n.<\/p>\n<ul>\n<li><strong><em>L\u00e0m v\u1ec7 sinh v\u00f9ng tr\u1ed3ng Sa nh\u00e2n:<\/em><\/strong><\/li>\n<\/ul>\n<p>Trong qu\u00e1 tr\u00ecnh ch\u0103m s\u00f3c Sa nh\u00e2n, h\u00e0ng n\u0103m ph\u1ea3i ch\u1eb7t t\u1ec9a b\u1edbt c\u00e0nh v\u00e0 c\u00e2y che b\u00f3ng (Sa Nh\u00e2n tr\u1ed3ng thu\u1ea7n lo\u1ea1i), sao cho \u0111\u1ed9 t\u00e1n che t\u1ed5ng s\u1ed1 ch\u1ec9 v\u00e0o kho\u1ea3ng 30% (kh\u00f4ng \u0111\u1ec3 v\u01b0\u1ee3t qu\u00e1 70%).<\/p>\n<p>Trong v\u00f2ng \u0111\u1eddi c\u1ee7a Sa nh\u00e2n, m\u1ed7i nh\u00e1nh ch\u1ec9 t\u1ed3n t\u1ea1i trong th\u1eddi gian 2 n\u0103m tu\u1ed5i. Nh\u01b0 v\u1eady h\u00e0ng n\u0103m s\u1ebd c\u00f3 c\u00e1c th\u1ebf h\u1ec7 c\u00e1c nh\u00e1nh gi\u00e0 t\u1ef1 ch\u1ebft \u0111i. \u0110\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho c\u00e2y ra hoa qu\u1ea3 t\u1ed1t, c\u1ea7n c\u1eaft b\u1ecf nh\u1eefng nh\u00e1nh v\u00e0ng \u00faa (s\u1eafp t\u00e0n l\u1ee5i) v\u00e0 v\u01a1 b\u1ecf b\u1edbt l\u1edbp th\u1ea3m m\u1ee5c d\u01b0\u1edbi g\u1ed1c (n\u1ebfu th\u1ea5y qu\u00e1 d\u00e0y).<\/p>\n<p>C\u00f4ng vi\u1ec7c n\u00e0y c\u1ea7n ti\u1ebfn h\u00e0nh v\u00e0o th\u00e1ng 2- 3 h\u00e0ng n\u0103m, tr\u01b0\u1edbc m\u00f9a hoa qu\u1ea3 \u0111\u1ea7u ti\u00ean.<\/p>\n<p><strong><em>* B\u1ea3o v\u1ec7:<\/em><\/strong><\/p>\n<p>Sa Nh\u00e2n th\u01b0\u1eddng b\u1ecb tr\u00e2u, b\u00f2, d\u00ea v\u00e0o \u0103n l\u00e1.\u00a0 Khi c\u00e2y Sa Nh\u00e2n c\u00f3 qu\u1ea3 th\u01b0\u1eddng b\u1ecb c\u00e1c lo\u00e0i R\u00f9a, S\u00f3c, Nh\u00edm v\u00e0 Chu\u1ed9t \u0103n hoa v\u00e0 qu\u1ea3. V\u00ec v\u1eady, ta ph\u1ea3i l\u00e0m h\u00e0ng d\u00e0o b\u1ea3o v\u1ec7 to\u00e0n b\u1ed9 di\u1ec7n t\u00edch tr\u1ed3ng Sa nh\u00e2n. V\u1eadt li\u1ec7u l\u00e0m h\u00e0ng r\u00e0o c\u1ea7n gi\u1eef \u0111\u01b0\u1ee3c l\u00e2u b\u1ec1n, nh\u01b0 d\u00e2y th\u00e9p gai v\u1edbi c\u1ed9t b\u00ea t\u00f4ng hay r\u00e0o b\u1eb1ng tre ho\u1eb7c c\u00e0nh c\u00e2y g\u1ed7. V\u1ec1 sau t\u1ed1t nh\u1ea5t n\u00ean t\u1ea1o h\u00e0ng r\u00e0o b\u1eb1ng c\u00e2y xanh (M\u00e2y).<\/p>\n<p><strong>5. Ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh<\/strong><\/p>\n<p>Hi\u1ec7n t\u1ea1i ch\u01b0a ph\u00e1t hi\u1ec7n th\u1ea5y sau b\u1ec7nh h\u1ea1i Sa Nh\u00e2n t\u00edm tr\u1ed3ng m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3. Ngo\u1ea1i tr\u1eeb v\u00e0o giai \u0111o\u1ea1n c\u00e2y c\u00f2n nh\u1ecf (3 &#8211; 6 th\u00e1ng tu\u1ed5i), bi b\u1ecd r\u00f9a nh\u1ecf \u0103n ph\u1ea7n th\u1ecbt l\u00e1 non v\u00e0 m\u1ed9t lo\u1ea1i S\u00e2u khoang nh\u1ecf (<em>Prodenia\u00a0<\/em>sp.) cu\u1ed1n l\u00e1 non.\u00a0 Tuy nhi\u00ean c\u1ea7n ph\u1ea3i ti\u1ebfn h\u00e0nh theo d\u00f5i th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 c\u00f3 bi\u1ec7n ph\u00e1p phun tr\u1eeb s\u00e2u b\u1ec7nh h\u1ea1i ngay t\u1eeb khi m\u1edbi ph\u00e1t sinh.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>V\u1edbi \u0111\u1eb7c t\u00ednh d\u1ec5 tr\u1ed3ng d\u01b0\u1edbi t\u00e1n r\u1eebng t\u1ef1 nhi\u00ean v\u00e0 t\u00e1i sinh, kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng, ph\u00e1t t\u00e1n nhanh, gi\u00e1 tr\u1ecb kinh t\u1ebf cao, th\u1ecb tr\u01b0\u1eddng ti\u00eau th\u1ee5 t\u1ed1t, sa nh\u00e2n t\u00edm \u0111ang l\u00e0 \u201cc\u00e2y x\u00f3a ngh\u00e8o\u201d hi\u1ec7u qu\u1ea3 \u1edf v\u00f9ng cao, \u0111\u1ea5t d\u1ed1c, kh\u00f4 h\u1ea1n \/media\/stories\/files\/eed37f8fc1c7782f65668e5700f8bd07.pdf 1. Th\u1eddi v\u1ee5 tr\u1ed3ng: Tr\u1ed3ng v\u1ee5 xu\u00e2n [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":2754,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,13],"tags":[],"class_list":["post-2752","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ky-thuat-trong-cay","category-news"],"_links":{"self":[{"href":"https:\/\/ifs.edu.vn\/index.php?rest_route=\/wp\/v2\/posts\/2752","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ifs.edu.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ifs.edu.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ifs.edu.vn\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/ifs.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2752"}],"version-history":[{"count":1,"href":"https:\/\/ifs.edu.vn\/index.php?rest_route=\/wp\/v2\/posts\/2752\/revisions"}],"predecessor-version":[{"id":2755,"href":"https:\/\/ifs.edu.vn\/index.php?rest_route=\/wp\/v2\/posts\/2752\/revisions\/2755"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ifs.edu.vn\/index.php?rest_route=\/wp\/v2\/media\/2754"}],"wp:attachment":[{"href":"https:\/\/ifs.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ifs.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ifs.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}