{"id":9882,"date":"2012-08-29T09:08:43","date_gmt":"2012-08-29T02:08:43","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/08\/nghien-cuu-anh-huong-cua-mot-so-bien-phap-ky-thuat-lam-sinh-den-sinh-truong-rung-trong-keo-lai-cung-cap-go-xe-o-vung-dong-nam-bo\/"},"modified":"2015-05-19T13:29:35","modified_gmt":"2015-05-19T06:29:35","slug":"nghien-cuu-anh-huong-cua-mot-so-bien-phap-ky-thuat-lam-sinh-den-sinh-truong-rung-trong-keo-lai-cung-cap-go-xe-o-vung-dong-nam-bo","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-anh-huong-cua-mot-so-bien-phap-ky-thuat-lam-sinh-den-sinh-truong-rung-trong-keo-lai-cung-cap-go-xe-o-vung-dong-nam-bo\/","title":{"rendered":"Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e2m sinh \u0111\u1ebfn sinh tr\u01b0\u1edfng r\u1eebng tr\u1ed3ng Keo lai cung c\u1ea5p g\u1ed7 x\u1ebb \u1edf v\u00f9ng \u0110\u00f4ng Nam B\u1ed9"},"content":{"rendered":"

Ph\u1ea1m Th\u1ebf D\u0169ng, Ki\u1ec1u Tu\u1ea5n \u0110\u1ea1t,<\/strong><\/p>\n

V\u0169 \u0110\u00ecnh H\u01b0\u1edfng, L\u00ea Thanh Quang <\/strong><\/p>\n

Ph\u00e2n vi\u1ec7n Nghi\u00ean c\u1ee9u Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam B\u1ed9<\/em><\/p>\n

Chris Beadle<\/strong><\/p>\n

T\u1ed5 ch\u1ee9c Nghi\u00ean c\u1ee9u Khoa h\u1ecdc N\u00f4ng nghi\u1ec7p \u00d4xtr\u00e2ylia (CSIRO)<\/em><\/p>\n

 <\/p>\n

T\u00d3M T\u1eaeT<\/strong><\/p>\n

M\u1ed9t trong nh\u1eefng m\u1ee5c ti\u00eau c\u1ee7a d\u1ef1 \u00e1n FST 2006\/087 “Qu\u1ea3n l\u00fd l\u00e2m sinh t\u1ed1i \u01b0u v\u00e0 n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng cho m\u1ee5c ti\u00eau g\u1ed7 x\u1ebb c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao” t\u1eeb 2008 \u0111\u1ebfn 2012 do Trung t\u00e2m Nghi\u00ean c\u1ee9u N\u00f4ng nghi\u1ec7p qu\u1ed1c t\u1ebf (ACIAR) tr\u1ee3 gi\u00fap Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam th\u1ef1c hi\u1ec7n l\u00e0: nghi\u00ean c\u1ee9u c\u00e1c k\u1ef9 thu\u1eadt l\u00e2m sinh v\u1ec1 s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n, t\u1ec9a c\u00e0nh, t\u1ec9a th\u01b0a nh\u1eb1m n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 n\u0103ng su\u1ea5t r\u1eebng c\u00e2y keo lai cho m\u1ee5c ti\u00eau g\u1ed7 x\u1ebb. B\u00e0i vi\u1ebft n\u00e0y gi\u1edbi thi\u1ec7u m\u1ed9t s\u1ed1 k\u1ebft q\u1ee7a nghi\u00ean c\u1ee9u cho m\u1ee5c ti\u00eau n\u00e0y t\u1ea1i huy\u1ec7n B\u00ecnh Long, t\u1ec9nh B\u00ecnh Ph\u01b0\u1edbc.<\/p>\n

K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng: i) Vi\u1ec7c b\u00f3n l\u00f3t ph\u00e2n l\u00e2n (50 kgP\/ha) \u1edf giai \u0111o\u1ea1n m\u1edbi tr\u1ed3ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t r\u1ea5t r\u00f5 r\u1ec7t v\u1ec1 sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao so v\u1edbi r\u1eebng tr\u1ed3ng \u0111\u1ed1i ch\u1ee9ng ch\u1ec9 b\u00f3n 18 kg P\/ha; ii) B\u00f3n th\u00fac ph\u00e2n l\u00e2n v\u00e0 ph\u00e2n vi l\u01b0\u1ee3ng t\u1ed5ng h\u1ee3p sau khi t\u1ec9a th\u01b0a ch\u01b0a c\u00f3 t\u00e1c \u0111\u1ed9ng r\u00f5 r\u1ec7t \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao n\u00ean c\u1ea7n ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u. iii) C\u01b0\u1eddng \u0111\u1ed9 t\u1ec9a kh\u00e1c nhau th\u00ec \u1ea3nh h\u01b0\u1edfng r\u00f5 r\u1ec7t \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh th\u00e2n c\u00e2y; iv) T\u1ec9a th\u01b0a \u1edf giai \u0111o\u1ea1n tu\u1ed5i 2 c\u00f3 sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh cao h\u01a1n so v\u1edbi t\u1ec9a th\u01b0a khi r\u1eebng \u1edf tu\u1ed5i 3.<\/p>\n

 <\/p>\n

T\u1eeb kh\u00f3a: <\/strong>Keo lai, G\u1ed7 x\u1ebb, B\u00f3n ph\u00e2n, T\u1ec9a c\u00e0nh, T\u1ec9a th\u01b0a<\/p>\n

\u0110\u1eb6T V\u1ea4N \u0110\u1ec0 <\/strong><\/p>\n

Theo s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea c\u1ee7a B\u1ed9 N\u00f4ng nghi\u1ec7p & Ph\u00e1t tri\u1ec3n N\u00f4ng th\u00f4n (n\u0103m 2009), t\u1ed5ng di\u1ec7n t\u00edch r\u1eebng tr\u1ed3ng keo (Acacia) c\u1ee7a Vi\u1ec7t Nam tr\u00ean 0,5 tri\u1ec7u ha. R\u1eebng tr\u1ed3ng keo \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng cung c\u1ea5p nguy\u00ean li\u1ec7u l\u00e0m b\u1ed9t gi\u1ea5y, v\u00e1n MDF, ch\u1ebf bi\u1ebfn \u0111\u1ed3 m\u1ed9c n\u1ed9i th\u1ea5t v\u00e0 g\u1ed7 c\u1ee7i. Ri\u00eang Keo lai, \u0111ang l\u00e0 lo\u00e0i c\u00e2y ch\u1ee7 l\u1ef1c trong tr\u1ed3ng r\u1eebng c\u00f4ng nghi\u1ec7p \u1edf n\u01b0\u1edbc ta v\u00e0 \u0111ang c\u00f3 xu h\u01b0\u1edbng ng\u00e0y c\u00e0ng t\u0103ng. B\u00ean c\u1ea1nh nh\u1eefng ti\u1ebfn b\u1ed9 v\u1ec1 ch\u1ecdn gi\u1ed1ng v\u00e0 qu\u1ea3n l\u00fd l\u1eadp \u0111\u1ecba nh\u1eb1m n\u00e2ng cao n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng, th\u00ec k\u1ef9 thu\u1eadt l\u00e2m sinh nh\u1eb1m n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng v\u00e0 r\u00fat ng\u1eafn chu k\u1ef3 kinh doanh cho m\u1ee5c ti\u00eau g\u1ed7 x\u1ebb l\u00e0 h\u1ebft s\u1ee9c c\u1ea7n thi\u1ebft.<\/p>\n

(T\u1ea1p ch\u00ed Khoa h\u1ecdc L\u00e2m nghi\u1ec7p s\u1ed1 2 n\u0103m 2012, trang 2207-2215)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

<\/p>\n

\nM\u1ed9t trong nh\u1eefng
\nm\u1ee5c tiêu c\u1ee7a d\u1ef1 án FST 2006\/087 “Qu\u1ea3n lý lâm sinh t\u1ed1i \u01b0u và n\u0103ng su\u1ea5t r\u1eebng
\ntr\u1ed3ng cho m\u1ee5c tiêu g\u1ed7 x\u1ebb có ch\u1ea5t l\u01b0\u1ee3ng cao” t\u1eeb 2008 \u0111\u1ebfn 2012 do Trung tâm Nghiên
\nc\u1ee9u Nông nghi\u1ec7p qu\u1ed1c t\u1ebf (ACIAR) tr\u1ee3 giúp Vi\u1ec7n Khoa h\u1ecdc Lâm nghi\u1ec7p Vi\u1ec7t Nam th\u1ef1c
\nhi\u1ec7n là: nghiên c\u1ee9u các k\u1ef9 thu\u1eadt lâm sinh v\u1ec1 s\u1eed d\u1ee5ng phân bón, t\u1ec9a cành, t\u1ec9a
\nth\u01b0a nh\u1eb1m nâng cao ch\u1ea5t l\u01b0\u1ee3ng và n\u0103ng su\u1ea5t r\u1eebng cây keo lai cho m\u1ee5c tiêu g\u1ed7 x\u1ebb.
\nBài vi\u1ebft này gi\u1edbi thi\u1ec7u m\u1ed9t s\u1ed1 k\u1ebft q\u1ee7a nghiên c\u1ee9u cho m\u1ee5c tiêu này t\u1ea1i huy\u1ec7n
\nBình Long, t\u1ec9nh Bình Ph\u01b0\u1edbc.<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9882"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9882"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9882\/revisions"}],"predecessor-version":[{"id":15223,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9882\/revisions\/15223"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}