{"id":9747,"date":"2012-02-13T03:43:14","date_gmt":"2012-02-12T20:43:14","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/02\/nghien-cuu-ky-thuat-bao-ve-va-nang-cao-do-phi-dat-nham-nang-cao-nang-suat-rung-trong-bach-dan-keo-o-cac-luan-ky-sau\/"},"modified":"2013-10-06T09:02:36","modified_gmt":"2013-10-06T02:02:36","slug":"nghien-cuu-ky-thuat-bao-ve-va-nang-cao-do-phi-dat-nham-nang-cao-nang-suat-rung-trong-bach-dan-keo-o-cac-luan-ky-sau","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-ky-thuat-bao-ve-va-nang-cao-do-phi-dat-nham-nang-cao-nang-suat-rung-trong-bach-dan-keo-o-cac-luan-ky-sau\/","title":{"rendered":"Nghi\u00ean c\u1ee9u k\u1ef9 thu\u1eadt b\u1ea3o v\u1ec7 v\u00e0 n\u00e2ng cao \u0111\u1ed9 ph\u00ec \u0111\u1ea5t nh\u1eb1m n\u00e2ng cao n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n, keo \u1edf c\u00e1c lu\u00e2n k\u1ef3 sau"},"content":{"rendered":"

Ph\u1ea1m Th\u1ebf D\u0169ng, <\/strong>V\u0169 \u0110\u00ecnh H\u01b0\u1edfng, Ki\u1ec1u Tu\u1ea5n \u0110\u1ea1t<\/strong> <\/p>\n

Nguy\u1ec5n Thanh B\u00ecnh, L\u00ea Thanh Quang<\/strong> <\/p>\n

Ph\u00e2n vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam b\u1ed9<\/em> <\/p>\n

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

Qu\u1ea3n l\u00fd v\u1eadt li\u1ec7u h\u1eefu c\u01a1 sau khai th\u00e1c r\u1eebng l\u00e0 m\u1ed9t trong nh\u1eefng nghi\u00ean c\u1ee9u c\u00f2n m\u1edbi \u1edf Vi\u1ec7t Nam nh\u1eb1m n\u00e2ng cao \u0111\u1ed9 ph\u00ec nhi\u00eau c\u1ee7a \u0111\u1ea5t v\u00e0 duy tr\u00ec n\u0103ng su\u1ea5t r\u1eebng. B\u00e0i vi\u1ebft sau \u0111\u00e2y gi\u1edbi thi\u1ec7u nh\u1eefng k\u1ebft q\u1ee7a ch\u00ednh sau nhi\u1ec1u n\u0103m nghi\u00ean c\u1ee9u, v\u1edbi s\u1ef1 gi\u00fap \u0111\u1ee1 c\u1ee7a Trung t\u00e2m Nghi\u00ean c\u1ee9u L\u00e2m nghi\u1ec7p qu\u1ed1c t\u1ebf (CIFOR) th\u00f4ng qua d\u1ef1 \u00e1n “Qu\u1ea3n \u00fd l\u1eadp \u0111\u1ecba v\u00e0 n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng nhi\u1ec7t \u0111\u1edbi” v\u00e0 va\u0300 \u0111\u00ea\u0300 ta\u0300i do B\u1ed9 NN&PTNT qua\u0309n ly\u0301. K\u1ebft qu\u1ea3 ch\u1ec9 ra r\u1eb1ng: N\u1ebfu gi\u1eef l\u1ea1i v\u1eadt li\u1ec7u h\u1eefu c\u01a1 sau khai th\u00e1c r\u1eebng s\u1ebd l\u00e0m t\u0103ng n\u0103ng su\u1ea5t r\u1eebng \u1edf c\u00e1c lu\u00e2n k\u1ef3 sau t\u1eeb 8,6% \u0111\u1ebfn 18,9% t\u00f9y theo m\u1ee9c \u0111\u1ed9 \u0111\u1ec3 l\u1ea1i v\u00e0 t\u0103ng sinh kh\u1ed1i r\u1eebng t\u1eeb 8,7% \u0111\u1ebfn 18,7%. \u0110\u1ed1i v\u1edbi \u0111\u1ea5t, vi\u1ec7c n\u00e2ng cao h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t h\u1eefu c\u01a1 (C), \u0111\u1ea1m (N), l\u00e2n (P) kh\u00f4ng nh\u1eefng b\u00f9 \u0111\u1eafp cho s\u1eed d\u1ee5ng c\u1ee7a c\u00e2y m\u00e0 c\u00f2n t\u00edch l\u0169y \u0111\u01b0\u1ee3c th\u00eam cho \u0111\u1ea5t nh\u01b0 ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 \u0111\u1ea1m. Ph\u00e2n t\u00edch qu\u00e1 tr\u00ecnh cung c\u1ea5p v\u00e0 s\u1eed d\u1ee5ng ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ee7a c\u00e2y trong b\u00e1o c\u00e1o c\u0169ng l\u00e0m c\u01a1 s\u1edf khoa h\u1ecdc cho vi\u1ec7c \u0111\u1ec1 xu\u1ea5t c\u00e1c k\u1ef9 thu\u1eadt s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n cho r\u1eebng tr\u1ed3ng c\u00e2y Keo l\u00e1 tr\u00e0m. <\/p>\n

T\u1eeb kh\u00f3a: <\/strong>V\u1eadt li\u1ec7u h\u1eefu c\u01a1 sau khai th\u00e1c; Dinh d\u01b0\u1ee1ng; \u0110\u1ed9 ph\u00ec \u0111\u1ea5t; N\u0103ng su\u1ea5t r\u1eebng.<\/em> <\/p>\n

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

Keo v\u00e0 b\u1ea1ch \u0111\u00e0n \u0111ang l\u00e0 c\u00e2y ch\u1ee7 l\u1ef1c trong tr\u1ed3ng r\u1eebng c\u00f4ng nghi\u1ec7p \u1edf n\u01b0\u1edbc ta v\u00e0 chi\u1ebfm t\u1edbi 46% t\u1ed5ng di\u1ec7n t\u00edch r\u1eebng tr\u1ed3ng hi\u1ec7n c\u00f3 v\u00e0 c\u00f3 xu h\u01b0\u1edbng t\u0103ng. Khuynh h\u01b0\u1edbng suy gi\u1ea3m n\u0103ng su\u1ea5t r\u1eebng \u1edf c\u00e1c chu k\u1ef3 kinh doanh sau \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 quan t\u00e2m nghi\u00ean c\u1ee9u \u1edf nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi, m\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0 qu\u1ea3n l\u00ed l\u1eadp \u0111\u1ecba thi\u1ebfu b\u1ec1n v\u1eefng. Qu\u1ea3n l\u00fd l\u1eadp \u0111\u1ecba bao g\u1ed3m c\u00e1c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 qu\u1ea3n l\u00ed v\u1eadt li\u1ec7u h\u1eefu c\u01a1 sau khai th\u00e1c, ki\u1ec3m so\u00e1t th\u1ea3m th\u1ef1c b\u00ec v\u00e0 qu\u1ea3n l\u00ed dinh d\u01b0\u1ee1ng qua b\u00f3n ph\u00e2n ph\u00f9 h\u1ee3p \u0111\u00e3 c\u00f3 t\u00e1c d\u1ee5ng t\u00edch c\u1ef1c \u0111\u1ebfn \u0111\u1ed9 ph\u00ec \u0111\u1ea5t v\u00e0 n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng (Nambiar, 1996). <\/p>\n

T\u1eeb n\u0103m 2002-2007, Ph\u00e2n vi\u1ec7n Nghi\u00ean c\u1ee9u Khoa h\u1ecdc L\u00e2m nghi\u1ec7p (FSSIV) v\u00e0 Trung t\u00e2m Nghi\u00ean c\u1ee9u L\u00e2m nghi\u1ec7p Qu\u1ed1c t\u1ebf (CIFOR) th\u1ef1c hi\u1ec7n d\u1ef1 \u00e1n: “Qu\u1ea3n l\u00fd l\u1eadp \u0111\u1ecba v\u00e0 n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng Nhi\u1ec7t \u0111\u1edbi” t\u1ea1i t\u1ec9nh B\u00ecnh Ph\u01b0\u1edbc (g\u1ecdi t\u1eaft d\u1ef1 \u00e1n CIFOR). K\u1ebft qu\u1ea3 b\u01b0\u1edbc \u0111\u1ea7u cho th\u1ea5y \u0111\u1ec3 l\u1ea1i v\u1eadt li\u1ec7u h\u1eefu c\u01a1 sau khai th\u00e1c (VLHCSKT) \u0111\u00e3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ph\u00ec \u0111\u1ea5t v\u00e0 n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng Keo l\u00e1 tr\u00e0m l\u00ean r\u00f5 r\u1ec7t. <\/p>\n

\u0110\u1ec3 m\u1edf r\u1ed9ng k\u1ebft q\u1ee7a nghi\u00ean c\u1ee9u tr\u00ean c\u00e1c d\u1ea1ng l\u1eadp \u0111\u1ecba v\u00e0 cho c\u00e1c lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u00ednh c\u1ee7a Vi\u1ec7t Nam, n\u0103m 2008 B\u1ed9 NN&PTNT \u0111\u00e3 cho th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i “Nghi\u00ean c\u1ee9u c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt b\u1ea3o v\u1ec7 v\u00e0 n\u00e2ng cao \u0111\u1ed9 ph\u00ec c\u1ee7a \u0111\u1ea5t nh\u1eb1m n\u00e2ng cao n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng keo, b\u1ea1ch \u0111\u00e0n \u1edf c\u00e1c lu\u00e2n k\u1ef3 sau”. B\u00e0i vi\u1ebft n\u00e0y nh\u1eb1m t\u00f3m t\u1eaft m\u1ed9t ph\u1ea7n v\u1ec1 k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u t\u1eeb d\u1ef1 \u00e1n v\u00e0 \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u n\u00e0y. <\/p>\n

(K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f4ng ngh\u1ec7 giai \u0111o\u1ea1n 2006-2010, trang 129-144)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"

\nQu\u1ea3n lý v\u1eadt li\u1ec7u h\u1eefu c\u01a1 sau khai thác r\u1eebng là m\u1ed9t trong nh\u1eefng nghiên c\u1ee9u còn m\u1edbi \u1edf Vi\u1ec7t Nam nh\u1eb1m nâng cao \u0111\u1ed9 phì nhiêu c\u1ee7a \u0111\u1ea5t và duy trì n\u0103ng su\u1ea5t r\u1eebng. Bài vi\u1ebft sau \u0111ây gi\u1edbi thi\u1ec7u nh\u1eefng k\u1ebft q\u1ee7a chính sau nhi\u1ec1u n\u0103m nghiên c\u1ee9u, v\u1edbi s\u1ef1 giúp \u0111\u1ee1 c\u1ee7a Trung tâm Nghiên c\u1ee9u Lâm nghi\u1ec7p qu\u1ed1c t\u1ebf (CIFOR) thông qua d\u1ef1 án “Qu\u1ea3n ý l\u1eadp \u0111\u1ecba và n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng nhi\u1ec7t \u0111\u1edbi” và va\u0300 \u0111ê\u0300 ta\u0300i do B\u1ed9 NN&PTNT qua\u0309n ly\u0301. <\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9747"}],"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=9747"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9747\/revisions"}],"predecessor-version":[{"id":11200,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9747\/revisions\/11200"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}