{"id":9861,"date":"2012-06-19T08:07:44","date_gmt":"2012-06-19T01:07:44","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/06\/nghien-cuu-nang-cao-do-phi-cua-dat-nham-nang-cao-nang-suat-rung-trong-bach-dan-o-cac-luan-ky-sau\/"},"modified":"2015-05-19T13:26:14","modified_gmt":"2015-05-19T06:26:14","slug":"nghien-cuu-nang-cao-do-phi-cua-dat-nham-nang-cao-nang-suat-rung-trong-bach-dan-o-cac-luan-ky-sau","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-nang-cao-do-phi-cua-dat-nham-nang-cao-nang-suat-rung-trong-bach-dan-o-cac-luan-ky-sau\/","title":{"rendered":"Nghi\u00ean c\u1ee9u n\u00e2ng cao \u0111\u1ed9 ph\u00ec c\u1ee7a \u0111\u1ea5t nh\u1eb1m n\u00e2ng cao n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n \u1edf c\u00e1c lu\u00e2n k\u1ef3 sau"},"content":{"rendered":"

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

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

<\/em><\/strong>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) qua 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” v\u00e0 B\u1ed9 NN&PTNT cho c\u00e2y b\u1ea1ch \u0111\u00e0n trong \u0111\u1ec1 t\u00e0i “Nghi\u00ean c\u1ee9u 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” th\u01b0\u0323c hi\u00ea\u0323n n\u0103m 2008-2012.<\/p>\n

K\u1ebft q\u1ee7a ch\u1ec9 ra r\u1eb1ng, sau 3 n\u0103m nghi\u00ean c\u1ee9u, sinh tr\u01b0\u1edfng chi\u1ec1u cao b\u1ea1ch \u0111\u00e0n nh\u1edd gi\u1eef l\u1ea1i v\u1eadt li\u1ec7u h\u1eefu c\u01a1 sau khai th\u00e1c (VLHCSKT) \u0111\u00e3 v\u01b0\u1ee3tso v\u1edbi bi\u1ec7n ph\u00e1p ph\u00e1t \u0111\u1ed1t d\u1ecdn th\u1ef1c b\u00ec (nh\u01b0 s\u1ea3n xu\u1ea5t hi\u1ec7n nay) l\u00e0 33,9%,v\u00e0 so v\u1edbi l\u1ea5y h\u1ebft VLHC l\u00e0 14,8%, c\u00f2n so v\u1edbi ch\u1ec9 \u0111\u1ec3 l\u1ea1i VLHC hi\u1ec7n h\u1eefu (kh\u00f4ng b\u1ed5 sung th\u00eam) l\u00e0 10,3%. T\u01b0\u01a1ng t\u1ef1 c\u00e1c ch\u1ec9 s\u1ed1 v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh l\u00e0: 40,4%; 28,2 %; v\u00e0 10,6%. C\u00e1c ch\u1ec9 s\u1ed1 v\u1ec1 l\u00e2n, \u0111\u1ea1m v\u00e0 m\u00f9n trong \u0111\u1ea5t \u0111\u1ec1u t\u0103ng theo c\u00e1c nghi\u1ec7m th\u1ee9c t\u1eeb \u0111\u1ed1i ch\u1ee9ng \u0111\u1ebfn gi\u1eef l\u1ea1i VLHCSKT. S\u1eed d\u1ee5ng thu\u1ed1c di\u1ec7t c\u1ecf phun to\u00e0n di\u1ec7n 1 v\u00e0 2 l\u1ea7n\/n\u0103m c\u00f3 tri\u1ec3n v\u1ecdng trong vi\u1ec7c ki\u1ec3m so\u00e1t c\u1ecf d\u1ea1i. S\u1eed d\u1ee5ng ph\u00e2n kho\u1ea3ng ph\u1ed1i h\u1ee3p \u0111\u1ea1m v\u00e0 l\u00e2n \u1edfli\u1ec1u l\u01b0\u1ee3ng 120kg \u0111\u1ea1m v\u1edbi 60kg l\u00e2n\/ha t\u1ecf ra c\u00f3 hi\u1ec7u q\u1ee7a trong vi\u1ec7c b\u1ed5 sung dinh d\u01b0\u1ee1ng cho \u0111\u1ea5t tr\u1ed3ng r\u1eebng b\u1ea1ch \u0111\u00e0n sau 2 n\u0103m tu\u1ed5i. Vi\u1ec7c t\u1ec9a th\u01b0a b\u1ea1ch \u0111\u00e0n cho sinh tr\u01b0\u1edfng c\u00e2y c\u00e1 th\u1ec3 t\u1ed1t h\u01a1n so v\u1eddi kh\u00f4ng t\u1ec9a. Tuy nhi\u00ean c\u1ea7n nghi\u00ean c\u1ee9u ti\u1ebfp theo v\u1ec1 dinh d\u01b0\u1ee1ng \u0111\u1ea5t khi k\u1ebft th\u00fac chu k\u1ef3.<\/p>\n

T\u1eeb kh\u00f3a: <\/strong>Qu\u1ea3n l\u00fd l\u1eadp \u0111\u1ecba, Dinh d\u01b0\u1ee1ng, \u0110\u1ed9 ph\u00ec \u0111\u1ea5t, N\u0103ng su\u1ea5t r\u1eebng, V\u1eadt li\u1ec7u h\u1eefu c\u01a1.<\/p>\n

(T\u1ea1p ch\u00ed Khoa h\u1ecdc L\u00e2m nghi\u1ec7p s\u1ed1 1, n\u0103m 2012, trang 2113-224)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

<\/p>\n

\nQu\u1ea3n lý v\u1eadt li\u1ec7u h\u1eefu c\u01a1 sau khai thác r\u1eebng là m\u1ed9t trong
\nnh\u1eefng nghiên c\u1ee9u còn m\u1edbi \u1edf Vi\u1ec7t Nam
\nnh\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
\ngi\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
\nTrung tâm Nghiên c\u1ee9u Lâm nghi\u1ec7p Qu\u1ed1c t\u1ebf (CIFOR) qua d\u1ef1 án “Qu\u1ea3n lý l\u1eadp \u0111\u1ecba và
\nn\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng nhi\u1ec7t \u0111\u1edbi” và B\u1ed9 NN&PTNT cho cây b\u1ea1ch \u0111àn trong \u0111\u1ec1 tài
\n“Nghiên c\u1ee9u <\/span>k\u1ef9 <\/span>thu\u1eadt b\u1ea3o v\u1ec7 và
\nnâng cao \u0111\u1ed9 phì c\u1ee7a \u0111\u1ea5t nh\u1eb1m nâng cao n\u0103ng su\u1ea5t r\u1eebng tr\u1ed3ng keo, b\u1ea1ch \u0111àn \u1edf các
\nluân k\u1ef3 sau” th\u01b0\u0323c hiê\u0323n n\u0103m 2008-2012. <\/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\/9861"}],"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=9861"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9861\/revisions"}],"predecessor-version":[{"id":15213,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9861\/revisions\/15213"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}