{"id":9426,"date":"2010-09-29T04:18:10","date_gmt":"2010-09-28T21:18:10","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2010\/09\/anh-huong-cua-n-p-va-k-den-sinh-truong-cay-khao-vang-giai-doan-1-2-nam-tuoi-o-vuon-uom\/"},"modified":"2015-05-19T14:29:26","modified_gmt":"2015-05-19T07:29:26","slug":"anh-huong-cua-n-p-va-k-den-sinh-truong-cay-khao-vang-giai-doan-1-2-nam-tuoi-o-vuon-uom","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/anh-huong-cua-n-p-va-k-den-sinh-truong-cay-khao-vang-giai-doan-1-2-nam-tuoi-o-vuon-uom\/","title":{"rendered":"\u1ea2nh h\u01b0\u1edfng c\u1ee7a N, P v\u00e0 K \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u00e2y Kh\u00e1o v\u00e0ng giai \u0111o\u1ea1n 1-2 n\u0103m tu\u1ed5i \u1edf v\u01b0\u1eddn \u01b0\u01a1m"},"content":{"rendered":"<p><strong>H\u00e0 Th\u1ecb M\u1eebng<\/strong><\/p>\n<p><em>Trung t\u00e2m NC Sinh th\u00e1i va M\u00f4i tr\u01b0\u1eddng r\u1eebng<\/em><\/p>\n<p><em>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/p>\n<p><strong>T\u00d3M T\u1eaeT<\/strong><\/p>\n<p>Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a N, P v\u00e0 K \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u00e2y Kh\u00e1o v\u00e0ng giai \u0111o\u1ea1n 1-2 n\u0103m tu\u1ed5i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh t\u1ea1i v\u01b0\u1eddn \u01b0\u01a1m c\u1ee7a Trung t\u00e2m Nghi\u00ean c\u1ee9u Sinh th\u00e1i v\u00e0 M\u00f4i tr\u01b0\u1eddng r\u1eebng \u1edf H\u00e0 N\u1ed9i v\u00e0 H\u00f2a B\u00ecnh. K\u1ebft qu\u1ea3 cho th\u1ea5y, giai \u0111o\u1ea1n 1 n\u0103m tu\u1ed5i, Kh\u00e1o v\u00e0ng c\u00f3 chi\u1ec1u cao, \u0111\u01b0\u1eddng k\u00ednh, t\u1ed1c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 h\u00e0m l\u01b0\u1ee3ng N, P<sub>2<\/sub>O<sub>5 <\/sub>v\u00e0K<sub>2<\/sub>O trong l\u00e1 l\u1edbn nh\u1ea5t \u1edf c\u00e1c c\u00f4ng th\u1ee9c b\u00f3n 57,3 mg N\/kg ru\u1ed9t b\u1ea7u, 76,3 mg P<sub>2<\/sub>O<sub>5<\/sub> \/kg ru\u1ed9t b\u1ea7u v\u00e0 34,4 mg K<sub>2<\/sub>O\/kg ru\u1ed9t b\u1ea7u; giai \u0111o\u1ea1n 2 n\u0103m tu\u1ed5i, c\u00e1c ch\u1ec9 ti\u00eau sinh tr\u01b0\u1edfng c\u0169ng nh\u01b0 h\u00e0m l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng trong l\u00e1 c\u00e2y l\u1edbn nh\u1ea5t \u1edf c\u00e1c c\u00f4ng th\u1ee9c b\u00f3n 76,3 mg N\/kg ru\u1ed9t b\u1ea7u,114,5 mg P<sub>2<\/sub>O<sub>5<\/sub> \/kg ru\u1ed9t b\u1ea7u v\u00e0 45,8 mg K<sub>2<\/sub>O\/kg ru\u1ed9t b\u1ea7u.<\/p>\n<p><strong>T\u1eeb kh\u00f3a<\/strong>: Kh\u00e1o v\u00e0ng; Ph\u00e2n N, P, K, Sinh tr\u01b0\u1edfng, V\u01b0\u1eddn \u01b0\u01a1m<strong><\/strong><\/p>\n<p><strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n<p>Kh\u00e1o v\u00e0ng (<em>Machilus odoratissima<\/em> Ness) l\u00e0 lo\u00e0i c\u00e2y g\u1ed7 l\u1edbn b\u1ea3n \u0111\u1ecba c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf, v\u00e0 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 m\u1ed9t trong nh\u1eefng lo\u00e0i c\u00e2y \u01b0u ti\u00ean cho c\u1ea3i t\u1ea1o r\u1eebng ngh\u00e8o \u1edf Vi\u1ec7t Nam. \u0110\u00e3 c\u00f3 m\u1ed9t s\u1ed1 m\u00f4 h\u00ecnh tr\u1ed3ng r\u1eebng lo\u00e0i c\u00e2y n\u00e0y \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, tuy nhi\u00ean, k\u1ef9 thu\u1eadt t\u1ea1o c\u00e2y con v\u00e0 tr\u1ed3ng r\u1eebng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean c\u01a1 s\u1edf \u0111\u00fac k\u1ebft c\u00e1c kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n, c\u01a1 s\u1edf v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m sinh l\u00fd lo\u00e0i c\u00f2n h\u1ea1n ch\u1ebf. Dinh d\u01b0\u1ee1ng kho\u00e1ng l\u00e0 nh\u1eefng nh\u00e2n t\u1ed1 chi ph\u1ed1i hi\u1ec7u qu\u1ea3 \u0111\u1ebfn qu\u00e1 tr\u00ecnh sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ef1c v\u1eadt. Tu\u1ef3 theo \u0111\u1eb7c t\u00ednh sinh h\u1ecdc c\u1ee7a t\u1eebng lo\u00e0i, t\u1eebng giai \u0111o\u1ea1n tu\u1ed5i v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n sinh th\u00e1i kh\u00e1c nhau m\u00e0 c\u00e2y c\u00f3 nhu c\u1ea7u \u0111\u01b0\u1ee3c cung c\u1ea5p dinh d\u01b0\u1ee1ng kh\u00e1c nhau.Trong c\u00e1c nguy\u00ean t\u1ed1 kho\u00e1ng th\u00ec N, P v\u00e0 K l\u00e0 ba nguy\u00ean t\u1ed1 c\u00f3 vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e2y v\u00e0 trong \u0111\u1ea5t th\u01b0\u1eddng kh\u00f4ng \u0111\u1ee7 cung c\u1ea5p cho c\u00e2y, do \u0111\u00f3 th\u01b0\u1eddng ph\u1ea3i b\u00f3n c\u00e1c lo\u1ea1i ph\u00e2n c\u00f3 ch\u1ee9a c\u00e1c nguy\u00ean t\u1ed1 n\u00e0y. Tuy nhi\u00ean, \u0111\u1ec3 ph\u00e1t huy hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u00fang c\u1ea7n ph\u1ea3i x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng ph\u00e2n b\u00f3n h\u1ee3p l\u00fd cho c\u00e2y.<\/p>\n<p>Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7aN, P v\u00e0 K\u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a Kh\u00e1o v\u00e0ng giai \u0111o\u1ea1n 1-2 n\u0103m tu\u1ed5i \u1edf v\u01b0\u1eddn \u01b0\u01a1m nh\u1eb1m cung c\u1ea5p c\u01a1 s\u1edf khoa h\u1ecdc, b\u1ed5 sung cho vi\u1ec7c ho\u00e0n thi\u1ec7n bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba n\u00e0y.<\/p>\n<p>(Trang 1233-1243)<\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial; font-size: 10pt\">Kh&aacute;o v&agrave;ng (<em>Machilus odoratissima<\/em> Ness) l&agrave; lo&agrave;i c&acirc;y g\u1ed7 l\u1edbn b\u1ea3n \u0111\u1ecba c&oacute; gi&aacute; tr\u1ecb kinh t\u1ebf, v&agrave; \u0111\u01b0\u1ee3c x&aacute;c \u0111\u1ecbnh l&agrave; m\u1ed9t trong nh\u1eefng lo&agrave;i c&acirc;y \u01b0u ti&ecirc;n cho c\u1ea3i t\u1ea1o r\u1eebng ngh&egrave;o \u1edf Vi\u1ec7t Nam. \u0110&atilde; c&oacute; m\u1ed9t s\u1ed1 m&ocirc; h&igrave;nh tr\u1ed3ng r\u1eebng lo&agrave;i c&acirc;y n&agrave;y \u0111\u01b0\u1ee3c x&acirc;y d\u1ef1ng, tuy nhi&ecirc;n, k\u1ef9 thu\u1eadt t\u1ea1o c&acirc;y con v&agrave; tr\u1ed3ng r\u1eebng \u0111\u01b0\u1ee3c &aacute;p d\u1ee5ng ch\u1ee7 y\u1ebfu d\u1ef1a tr&ecirc;n c\u01a1 s\u1edf \u0111&uacute;c k\u1ebft c&aacute;c kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n, c\u01a1 s\u1edf v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m sinh l&yacute; lo&agrave;i c&ograve;n h\u1ea1n ch\u1ebf. <\/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\/9426"}],"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=9426"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9426\/revisions"}],"predecessor-version":[{"id":15269,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9426\/revisions\/15269"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}