{"id":21275,"date":"2021-08-31T09:52:50","date_gmt":"2021-08-31T02:52:50","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?page_id=21275"},"modified":"2021-08-31T09:52:50","modified_gmt":"2021-08-31T02:52:50","slug":"ky-thuat-chuyen-hoa-rung-trong-sa-moc-cung-cap-go-nho-thanh-rung-cung-cap-go-lon","status":"publish","type":"page","link":"https:\/\/vafs.gov.vn\/vn\/ky-thuat-chuyen-hoa-rung-trong-sa-moc-cung-cap-go-nho-thanh-rung-cung-cap-go-lon\/","title":{"rendered":"K\u1ef9 thu\u1eadt chuy\u1ec3n ho\u00e1 r\u1eebng tr\u1ed3ng Sa m\u1ed9c cung c\u1ea5p g\u1ed7 nh\u1ecf th\u00e0nh r\u1eebng cung c\u1ea5p g\u1ed7 l\u1edbn"},"content":{"rendered":"<p>&nbsp;<\/p>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td><strong>TH\u00d4NG TIN CHUNG<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>C\u00f4ng nh\u1eadn t\u1ea1i Quy\u1ebft \u0111\u1ecbnh s\u00f4\u0301 27\/Q\u0110-TCLN-KH&amp;HTQT ng\u00e0y 26\/01\/2021 c\u1ee7a T\u1ed5ng c\u1ee5c L\u00e2m nghi\u1ec7p.<\/li>\n<li>T\u00e1c gi\u1ea3: TS. \u0110\u1eb7ng V\u0103n Thuy\u1ebft, TS. Nguy\u1ec5n To\u00e0n Th\u1eafng, ThS. Tr\u1ea7n Anh H\u1ea3i, ThS. D\u01b0\u01a1ng Quang Trung, ThS. \u0110inh H\u1ea3i \u0110\u0103ng, ThS. L\u00ea Th\u1ecb H\u1ea1nh, KS. L\u00ea Th\u1ecb Ng\u1ecdc H\u00e0, KS. Di\u1ec7p Xu\u00e2n Tu\u1ea5n, KS. \u0110\u00e0o Trung \u0110\u1ee9c v\u00e0 ThS. V\u0169 Ti\u1ebfn L\u00e2m.<\/li>\n<\/ul>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td><strong>N\u1ed8I DUNG CH\u00cdNH<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><a name=\"_Toc70512287\"><\/a>\u0110i\u1ec3m m\u1edbi c\u1ee7a ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt:<\/h3>\n<ul>\n<li>Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi r\u1eebng \u0111\u01b0a v\u00e0o chuy\u1ec3n ho\u00e1: M\u1eadt \u0111\u1ed9 t\u1eeb 1.800 c\u00e2y\/ha \u0111\u1ebfn 3.300 c\u00e2y \/ha, ph\u00f9 h\u1ee3p h\u01a1n so v\u1edbi th\u1ef1c t\u1ebf kinh doanh r\u1eebng Sa m\u1ed9c. Th\u1eddi gian b\u1eaft \u0111\u1ea7u chuy\u1ec3n ho\u00e1 t\u1eeb 6 n\u0103m tu\u1ed5i \u0111\u1ebfn 12 n\u0103m tu\u1ed5i, trong khi y\u00eau c\u1ea7u tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 t\u1eeb 5 n\u0103m tu\u1ed5i tr\u1edf l\u00ean.<\/li>\n<li>V\u1ec1 k\u1ef9 thu\u1eadt t\u1ec9a: M\u1eadt \u0111\u1ed9 t\u1eeb 1.800 \u0111\u1ebfn d\u01b0\u1edbi 2.500 c\u00e2y\/ha th\u00ec t\u1ec9a th\u01b0a 01 l\u1ea7n v\u00e0o tu\u1ed5i 09 \u0111\u1ebfn tu\u1ed5i 12; m\u1eadt \u0111\u1ed9 t\u1eeb 2.500 \u0111\u1ebfn 3.300 c\u00e2y\/ ha, t\u1ec9a th\u01b0a 02 l\u1ea7n (L\u1ea7n 01 t\u1ec9a th\u01b0a v\u00e0o tu\u1ed5i 06 \u0111\u1ebfn tu\u1ed5i 09, l\u1ea7n 02 t\u1ec9a th\u01b0a v\u00e0o tu\u1ed5i 11 \u0111\u1ebfn tu\u1ed5i 13).<\/li>\n<li>B\u00f3n ph\u00e2n cho r\u1eebng sau t\u1ec9a th\u01b0a: B\u00f3n v\u1edbi l\u01b0\u1ee3ng 55 g ur\u00ea + 700 g supe l\u00e2n + 50 g ka li hay 110 g ur\u00ea + 350 g supe l\u00e2n + 50 g ka li ho\u1eb7c ph\u00e2n kh\u00e1c c\u00f3 t\u1ef7 l\u1ec7 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng cho m\u1ed7i c\u00e2y. H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt hi\u1ec7n h\u00e0nh kh\u00f4ng quy \u0111\u1ecbnh n\u1ed9i dung n\u00e0y.<\/li>\n<\/ul>\n<p><strong><em>\u00a0\u00a0 <\/em><\/strong>K\u1ef9 thu\u1eadt chuy\u1ec3n ho\u00e1 r\u1eebng tr\u1ed3ng Sa m\u1ed9c (<em>Cunninghamia lanceolata<\/em> Lamb. Hook) cung c\u1ea5p g\u1ed7 nh\u1ecf th\u00e0nh r\u1eebng cung c\u1ea5p g\u1ed7 l\u1edbn g\u1ed3m c\u00e1c n\u1ed9i dung c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 nh\u01b0 sau:<\/p>\n<h3><a name=\"_Toc70512288\"><\/a>1. \u0110i\u1ec1u ki\u1ec7n r\u1eebng \u0111\u01b0a v\u00e0o chuy\u1ec3n h\u00f3a<\/h3>\n<ul>\n<li>M\u1eadt \u0111\u1ed9: r\u1eebng tr\u1ed3ng Sa m\u1ed9c cung c\u00e2\u0301p g\u00f4\u0303 nho\u0309 c\u00f3 m\u1eadt \u0111\u1ed9 hi\u1ec7n t\u1ea1i t\u1eeb 1.800 c\u00e2y\/ha \u0111\u1ebfn 3.300 c\u00e2y \/ha, s\u1ed1 l\u01b0\u1ee3ng c\u00e2y \u0111\u1ec3 l\u1ea1i \u0111\u1ea1t t\u1eeb 1.300 c\u00e2y \/ha tr\u1edf l\u00ean v\u00e0 ph\u00e2n b\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 di\u1ec7n t\u00edch.<\/li>\n<li>Th\u1eddi gian b\u1eaft \u0111\u1ea7u chuy\u1ec3n ho\u00e1 r\u1eebng \u0111\u1ea1t t\u1eeb 6 n\u0103m tu\u1ed5i \u0111\u1ebfn 12 n\u0103m tu\u1ed5i.<\/li>\n<li>R\u1eebng c\u00f3 nh\u1eefng bi\u1ec3u hi\u1ec7n c\u1ea1nh tranh kh\u00f4ng gian dinh d\u01b0\u1ee1ng m\u1ea1nh, \u0111\u00e3 giao t\u00e1n, \u0111\u1ed9 t\u00e0n che l\u1edbn h\u01a1n 0,8.<\/li>\n<li>Sinh tr\u01b0\u1edfng: c\u00e2y sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n t\u1ed1t, \u1edf th\u1eddi \u0111i\u1ec3m chuy\u1ec3n h\u00f3a c\u00f3 t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh b\u00ecnh qu\u00e2n (\u0394D<sub>3<\/sub>) t\u1eeb 1,0 cm\/n\u0103m tr\u1edf l\u00ean, chi\u1ec1u cao c\u1ee7a r\u1eebng \u0111\u1ea1t tr\u00ean 6,0 m. T\u1ef7 l\u1ec7 c\u00e2y b\u1ecb s\u00e2u, b\u1ec7nh h\u1ea1i chi\u1ebfm d\u01b0\u1edbi 10% s\u1ed1 c\u00e2y.<\/li>\n<\/ul>\n<h3><a name=\"_Toc70512289\"><\/a>2. K\u1ef9 thu\u1eadt b\u00e0i c\u00e2y<\/h3>\n<ul>\n<li>Ch\u1ecdn c\u00e2y b\u00e0i ch\u1eb7t: C\u00e2y b\u00e0i ch\u1eb7t l\u00e0 nh\u1eefng c\u00e2y b\u1ecb che s\u00e1ng nhi\u1ec1u, ph\u1ea9m ch\u1ea5t k\u00e9m nh\u01b0 nh\u1eefng c\u00e2y b\u1ecb s\u00e2u b\u1ec7nh h\u1ea1i, c\u00e2y c\u1ee5t ng\u1ecdn, c\u00e2y nhi\u1ec1u th\u00e2n, c\u00e2y ph\u00e2n c\u00e0nh th\u1ea5p, l\u1ec7ch t\u00e1n, c\u00e2y cong queo, c\u00e2y kh\u00f4ng c\u00f3 tri\u1ec3n v\u1ecdng cung c\u1ea5p g\u1ed7 l\u1edbn ho\u1eb7c c\u00e2y c\u00f3 ph\u1ea9m ch\u1ea5t t\u1ed1t nh\u01b0ng \u1edf n\u01a1i c\u00f3 m\u1eadt \u0111\u1ed9 d\u00e0y.<\/li>\n<li>Ch\u1ecdn c\u00e2y \u0111\u1ec3 l\u1ea1i: C\u00e2y \u0111\u1ec3 l\u1ea1i l\u00e0 nh\u1eefng c\u00e2y \u01b0u th\u1ebf kh\u00f4ng b\u1ecb ch\u00e8n \u00e9p, c\u00e2y sinh tr\u01b0\u1edfng t\u1ed1t, th\u00e2n th\u1eb3ng, ph\u00e2n c\u00e0nh cao, m\u1ed9t th\u00e2n, t\u00e1n c\u00e2n \u0111\u1ed1i, kh\u00f4ng b\u1ecb s\u00e2u b\u1ec7nh h\u1ea1i, kh\u00f4ng b\u1ecb khuy\u1ebft t\u1eadt, c\u00f3 tri\u1ec3n v\u1ecdng cung c\u1ea5p g\u1ed7 l\u1edbn.<\/li>\n<li>Ph\u01b0\u01a1ng ph\u00e1p b\u00e0i c\u00e2y: B\u00e0i c\u00e2y ch\u1eb7t tr\u01b0\u1edbc khi t\u1ec9a th\u01b0a b\u1eb1ng s\u01a1n \u1edf 2 v\u1ecb tr\u00ed s\u00e1t g\u1ed1c v\u00e0 v\u1ecb tr\u00ed 1,3m theo m\u1ed9t h\u01b0\u1edbng nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<\/ul>\n<h3><a name=\"_Toc70512290\"><\/a>3. K\u1ef9 thu\u1eadt t\u1ec9a th\u01b0a<\/h3>\n<ul>\n<li>S\u1ed1 l\u1ea7n t\u1ec9a th\u01b0a v\u00e0 m\u1eadt \u0111\u1ed9 \u0111\u1ec3 l\u1ea1i: S\u1ed1 l\u1ea7n t\u1ec9a th\u01b0a ph\u1ee5 thu\u1ed9c v\u00e0o m\u1eadt \u0111\u1ed9 hi\u1ec7n t\u1ea1i, sinh tr\u01b0\u1edfng c\u1ee7a r\u1eebng, \u0111i\u1ec1u ki\u1ec7n c\u1ee7a ch\u1ee7 r\u1eebng v\u00e0 th\u1ecb tr\u01b0\u1eddng g\u1ed7:<\/li>\n<li>M\u1eadt \u0111\u1ed9 t\u1eeb 1.800 \u0111\u1ebfn d\u01b0\u1edbi 2.500 c\u00e2y\/ha: t\u1ec9a th\u01b0a 01 l\u1ea7n v\u00e0o tu\u1ed5i 09 \u0111\u1ebfn tu\u1ed5i 12, m\u1eadt \u0111\u1ed9 \u0111\u1ec3 l\u1ea1i t\u1eeb 1.300 \u0111\u1ebfn 1.600 c\u00e2y\/ha.<\/li>\n<li>M\u1eadt \u0111\u1ed9 t\u1eeb 2.500 \u0111\u1ebfn 3.300 c\u00e2y\/ ha: t\u1ec9a th\u01b0a 02 l\u1ea7n: (i) L\u1ea7n 01: t\u1ec9a th\u01b0a v\u00e0o tu\u1ed5i 06 \u0111\u1ebfn tu\u1ed5i 09; m\u1eadt \u0111\u1ed9 \u0111\u1ec3 l\u1ea1i 1.500 \u0111\u1ebfn 1.700 c\u00e2y\/ha; (ii) L\u1ea7n 02: t\u1ec9a th\u01b0a v\u00e0o tu\u1ed5i 11 \u0111\u1ebfn tu\u1ed5i 13; m\u1eadt \u0111\u1ed9 \u0111\u1ec3 l\u1ea1i 1.300 \u0111\u1ebfn 1.500 c\u00e2y\/ha.<\/li>\n<li>Th\u1eddi vu\u0323 t\u1ec9a th\u01b0a: v\u00e0o m\u00f9a kh\u00f4 (tr\u01b0\u01a1\u0301c ho\u0103\u0323c sau mu\u0300a m\u01b0a) ho\u1eb7c nh\u1eefng th\u00e1ng \u00edt m\u01b0a.<\/li>\n<li>Ph\u01b0\u01a1ng ph\u00e1p t\u1ec9a th\u01b0a: g\u1ed1c ch\u1eb7t kh\u00f4ng cao qu\u00e1 10cm, h\u01b0\u1edbng c\u00e2y \u0111\u1ed5 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng t\u1edbi c\u00e2y gi\u1eef l\u1ea1i. Kh\u00f4ng ch\u1eb7t qu\u00e1 2 c\u00e2y li\u1ec1n nhau trong m\u1ed9t l\u1ea7n ch\u1eb7t t\u1ec9a th\u01b0a.<\/li>\n<\/ul>\n<h3><a name=\"_Toc70512291\"><\/a>4. K\u1ef9 thu\u1eadt ch\u0103m s\u00f3c r\u1eebng sau t\u1ec9a th\u01b0a<\/h3>\n<ul>\n<li>T\u1ec9a c\u00e0nh: t\u1ec9a c\u00e0nh cho c\u00e2y m\u1ee5c \u0111\u00edch, c\u1eaft c\u00e1c c\u00e0nh n\u1eb1m \u1edf d\u01b0\u1edbi 1\/3 chi\u1ec1u cao c\u00e2y, c\u1eaft s\u00e1t th\u00e2n c\u00e2y, tr\u00e1nh l\u00e0m x\u01b0\u1edbc v\u1ecf th\u00e2n c\u00e2y; th\u1eddi \u0111i\u1ec3m t\u1ec9a c\u00e0nh v\u00e0o m\u00f9a kh\u00f4.<\/li>\n<li>B\u00f3n ph\u00e2n:<\/li>\n<li>Th\u1eddi \u0111i\u1ec3m b\u00f3n: Sau khi t\u1ec9a th\u01b0a, v\u00e0o \u0111\u1ea7u \u0111\u1ebfn gi\u1eefa m\u00f9a m\u01b0a.<\/li>\n<li>Lo\u1ea1i ph\u00e2n v\u00e0 l\u01b0\u1ee3ng ph\u00e2n: B\u00f3n 55 g ur\u00ea + 700 g supe l\u00e2n + 50 g ka li hay 110 g ur\u00ea + 350 g supe l\u00e2n + 50 g ka li ho\u1eb7c ph\u00e2n kh\u00e1c c\u00f3 t\u1ef7 l\u1ec7 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng cho m\u1ed7i c\u00e2y.<\/li>\n<li>C\u00e1ch b\u00f3n: T\u1ea1o r\u1ea1ch d\u00e0i 40 cm \u0111\u1ebfn 50 cm, r\u1ed9ng 15 cm \u0111\u1ebfn 20 cm, s\u00e2u 8 cm \u0111\u1ebfn 10 cm \u1edf n\u01a1i ti\u1ebfp gi\u00e1p gi\u1eefa c\u00e1c c\u00e2y gi\u1eef l\u1ea1i nu\u00f4i d\u01b0\u1ee1ng. Tr\u1ed9n c\u00e1c lo\u1ea1i ph\u00e2n tr\u00ean v\u00e0 b\u00f3n \u0111\u1ec1u cho c\u00e1c r\u1ea1ch, r\u1ed3i l\u1ea5p \u0111\u1ea5t k\u00edn r\u1ea1ch.<\/li>\n<li>Ph\u00e1t lu\u1ed7ng: M\u1ed7i n\u0103m 1 l\u1ea7n v\u00e0o gi\u1eefa m\u00f9a m\u01b0a ph\u00e1t lu\u1ed7ng c\u00e1c ch\u1ed3i m\u1ecdc l\u00ean t\u1eeb g\u1ed1c Sa m\u1ed9c \u0111\u00e3 ch\u1eb7t, c\u00e1c d\u00e2y leo, c\u00e2y b\u1ee5i, c\u1ecf d\u1ea1i x\u00e2m l\u1ea5n tr\u00ean to\u00e0n b\u1ed9 l\u00f4 r\u1eebng.<\/li>\n<\/ul>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td>\u0110\u1ecaA \u0110I\u1ec2M \u1ee8NG D\u1ee4NG<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C\u00e1c t\u1ec9nh v\u00f9ng \u0110\u00f4ng B\u1eafc B\u1ed9 v\u00e0 T\u00e2y B\u1eafc B\u1ed9.<\/p>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td>\u0110I\u1ec0U KI\u1ec6N \u1ee8NG D\u1ee4NG<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C\u00e1c t\u1ed5 ch\u1ee9c, c\u00e1 nh\u00e2n \u00e1p d\u1ee5ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt ph\u1ea3i co\u0301 r\u1eebng tr\u1ed3ng Sa m\u1ed9c \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n r\u1eebng \u0111\u01b0a v\u00e0o chuy\u1ec3n ho\u00e1 theo y\u00eau c\u1ea7u muc a n\u00eau tr\u00ean.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; TH\u00d4NG TIN CHUNG C\u00f4ng nh\u1eadn t\u1ea1i Quy\u1ebft \u0111\u1ecbnh s\u00f4\u0301 27\/Q\u0110-TCLN-KH&amp;HTQT ng\u00e0y 26\/01\/2021 c\u1ee7a T\u1ed5ng c\u1ee5c L\u00e2m nghi\u1ec7p. T\u00e1c gi\u1ea3: TS. \u0110\u1eb7ng V\u0103n Thuy\u1ebft, TS. Nguy\u1ec5n To\u00e0n Th\u1eafng, ThS. Tr\u1ea7n Anh H\u1ea3i, ThS. D\u01b0\u01a1ng Quang Trung, ThS. \u0110inh H\u1ea3i \u0110\u0103ng, ThS. L\u00ea Th\u1ecb H\u1ea1nh, KS. L\u00ea Th\u1ecb Ng\u1ecdc H\u00e0, KS. Di\u1ec7p Xu\u00e2n Tu\u1ea5n, KS. \u0110\u00e0o [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages\/21275"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/page"}],"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=21275"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages\/21275\/revisions"}],"predecessor-version":[{"id":21276,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages\/21275\/revisions\/21276"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=21275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}