{"id":9829,"date":"2012-05-16T01:46:39","date_gmt":"2012-05-15T18:46:39","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/05\/mot-so-ket-qua-nghien-cuu-co-gioi-trong-rung-giai-doan-2006-2010\/"},"modified":"2013-10-06T09:02:45","modified_gmt":"2013-10-06T02:02:45","slug":"mot-so-ket-qua-nghien-cuu-co-gioi-trong-rung-giai-doan-2006-2010","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/mot-so-ket-qua-nghien-cuu-co-gioi-trong-rung-giai-doan-2006-2010\/","title":{"rendered":"M\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u01a1 gi\u1edbi tr\u1ed3ng r\u1eebng giai \u0111o\u1ea1n 2006-2010"},"content":{"rendered":"<p> <strong>\u0110o\u00e0n V\u0103n Thu<\/strong> <\/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> C\u01a1 gi\u1edbi ho\u00e1 l\u00e0m \u0111\u1ea5t tr\u1ed3ng, ch\u0103m s\u00f3c r\u1eebng g\u00f3p ph\u1ea7n c\u1ea3i t\u1ea1o \u0111\u1ea5t, n\u00e2ng cao n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng tr\u1ed3ng, gi\u1ea3m s\u1ee9c lao \u0111\u1ed9ng th\u1ee7 c\u00f4ng \u1edf kh\u00e2u c\u00f4ng vi\u1ec7c n\u1eb7ng nh\u1ecdc. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 v\u00e0 thi\u1ebft b\u1ecb c\u01a1 gi\u1edbi ph\u1ee5c v\u1ee5 tr\u1ed3ng, ch\u0103m s\u00f3c r\u1eebng giai \u0111o\u1ea1n 2006- 2010 \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c y\u00eau c\u1ea7u c\u01a1 b\u1ea3n c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 k\u1ef9 thu\u1eadt canh t\u00e1c c\u01a1 gi\u1edbi trong l\u00e2m nghi\u1ec7p. \u0110\u1ec1 xu\u1ea5t c\u00f4ng ngh\u1ec7 v\u00e0 thi\u1ebft b\u1ecb c\u01a1 gi\u1edbi l\u00e0m \u0111\u1ea5t tr\u1ed3ng, ch\u0103m s\u00f3c r\u1eebng th\u00e2m canh cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng kinh t\u1ebf ch\u1ee7 l\u1ef1c. V\u1ec1 c\u00f4ng ngh\u1ec7 l\u00e0m \u0111\u1ea5t tr\u1ed3ng r\u1eebng v\u1edbi \u0111\u1ecba h\u00ecnh \u0111\u1ea5t d\u1ed1c, s\u1eed d\u1ee5ng li\u00ean h\u01a1\u0323p ma\u0301y (LHM) k\u00e9o x\u00edch c\u00f4ng su\u1ea5t t\u1eeb 150 &#8211; 200 m\u00e3 l\u1ef1c li\u00ean h\u1ee3p v\u1edbi khung r\u0103ng r\u00e0 r\u1ec5, thi\u1ebft b\u1ecb nh\u1ed5 g\u1ed1c c\u00e2y \u0111\u1ec3 x\u1eed l\u00fd th\u1ef1c b\u00ec, sau \u0111\u00f3 c\u00e0y theo \u0111\u01b0\u1eddng \u0111\u1ed3ng m\u1ee9c b\u1eb1ng c\u00e0y ng\u1ea7m. \u0110\u1ed1i v\u1edbi \u0111\u1ecba h\u00ecnh c\u00f3 \u0111\u1ed9 d\u1ed1c d\u01b0\u1edbi 5<sup>0<\/sup> \u1edf T\u00e2y Nguy\u00ean v\u00e0 \u0110\u00f4ng Nam b\u1ed9, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e0y ch\u1ea3o li\u00ean h\u1ee3p v\u1edbi m\u00e1y k\u00e9o b\u00e1nh h\u01a1i c\u00f4ng su\u1ea5t t\u1eeb 50-80 m\u00e3 l\u1ef1c \u0111\u1ec3 l\u00e0m \u0111\u1ea5t tr\u1ed3ng v\u00e0 ch\u0103m s\u00f3c r\u1eebng. <\/p>\n<p> B\u1eb1ng nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c h\u1ec7 s\u1ed1 l\u1ef1c c\u1ea3n ri\u00eang K<sub>0<\/sub> c\u1ee7a c\u00e0y ng\u1ea7m, x\u00e2y d\u1ef1ng quan h\u1ec7 gi\u1eefa K<sub>0<\/sub> v\u1edbi v\u1eadn t\u1ed1c c\u00e0y (K<sub>0 <\/sub>= f(v)) \u1ee9ng v\u1edbi m\u1ed7i \u0111\u1ed9 c\u00e0y s\u00e2u v\u00e0 k\u1ebft c\u1ea5u b\u1ed9 ph\u1eadn l\u00e0m vi\u1ec7c c\u1ee7a c\u00e0y ng\u1ea7m tr\u00ean \u0111\u1ea5t l\u00e2m nghi\u1ec7p. \u0110\u00e2y l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 r\u1ea5t quan tr\u1ecdng l\u00e0m c\u01a1 s\u1edf nghi\u00ean c\u1ee9u thi\u1ebft k\u1ebf v\u00e0 x\u00e1c \u0111\u1ecbnh ch\u1ebf \u0111\u1ed9 l\u00e0m vi\u1ec7c t\u1ed1i \u01b0u n\u00e2ng cao hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a LHM. <\/p>\n<p> \u0110\u00e3 thi\u1ebft k\u1ebf, c\u1ea3i ti\u1ebfn v\u00e0 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c c\u00e1c m\u1eabu c\u00e0y ng\u1ea7m, c\u00e0y kh\u00f4ng l\u1eadt v\u00e0 c\u00e0y ch\u1ea3o 2 d\u00e3y \u0111\u1ec3 l\u00e0m \u0111\u1ea5t tr\u1ed3ng v\u00e0 ch\u0103m s\u00f3c r\u1eebng. \u0110\u00e2y l\u00e0 nh\u1eefng thi\u1ebft b\u1ecb c\u00f3 t\u00ednh chuy\u00ean d\u1ee5ng, n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u00e0m \u0111\u1ea5t \u0111\u1ea1t cao h\u01a1n c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3: M\u0169i c\u00e0y ng\u1ea7m c\u1ea3i ti\u1ebfn c\u00f3 chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng gi\u1ea3m 15-20% so v\u1edbi m\u0169i c\u00e0y nguy\u00ean b\u1ea3n v\u1eabn s\u1eed d\u1ee5ng; c\u00e0y ch\u1ea3o 2 d\u00e3y c\u00f3 n\u0103ng su\u1ea5t \u0111\u1ea1t 150%, ch\u1ea5t l\u01b0\u1ee3ng l\u00e0m \u0111\u1ea5t t\u1ed1t h\u01a1n so v\u1edbi s\u1eed d\u1ee5ng c\u00e0y ch\u1ea3o m\u1ed9t d\u00e3y. <\/p>\n<p> <strong>T\u1eeb kh\u00f3a<\/strong>:C\u01a1 gi\u1edbi l\u00e0m \u0111\u1ea5t tr\u1ed3ng r\u1eebng. <\/p>\n<p> <strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n<p> C\u01a1 gi\u1edbi ho\u00e1 tr\u1ed3ng r\u1eebng l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb m\u00e1y m\u00f3c \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng vi\u1ec7c t\u1eeb s\u1ea3n xu\u1ea5t c\u00e2y gi\u1ed1ng t\u1ea1i v\u01b0\u1eddn \u01b0\u01a1m, l\u00e0m \u0111\u1ea5t, tr\u1ed3ng c\u00e2y, ch\u0103m s\u00f3c v\u00e0 b\u1ea3o v\u1ec7 r\u1eebng. Trong c\u00e1c c\u00f4ng vi\u1ec7c \u0111\u00f3, l\u00e0m \u0111\u1ea5t tr\u1ed3ng, ch\u0103m s\u00f3c r\u1eebng l\u00e0 nh\u1eefng vi\u1ec7c n\u1eb7ng nh\u1ecdc, t\u1ed1n nhi\u1ec1u lao \u0111\u1ed9ng, chi ph\u00ed l\u1edbn v\u00e0 b\u1eb1ng lao \u0111\u1ed9ng th\u1ee7 c\u00f4ng kh\u00f3 \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng. H\u01a1n n\u1eefa, ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t l\u00e2m nghi\u1ec7p \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba h\u00ecnh chia c\u1eaft ph\u00e2n t\u00e1n ph\u1ee9c t\u1ea1p, \u0111\u1ed9 d\u1ed1c cao, \u0111\u1ea5t \u0111ai kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t, c\u00e2y r\u1eebng c\u00f3 chu k\u1ef3 d\u00e0i, y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt canh t\u00e1c \u0111\u1ed1i v\u1edbi m\u1ed7i lo\u1ea1i c\u00e2y v\u00e0 m\u1ee5c \u0111\u00edch tr\u1ed3ng l\u00e0 r\u1ea5t kh\u00e1c nhau&#8230; Do v\u1eady, thi\u1ebft b\u1ecb c\u01a1 gi\u1edbi s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t l\u00e2m nghi\u1ec7p ph\u1ea3i c\u00f3 t\u00ednh n\u0103ng k\u1ef9 thu\u1eadt v\u00e0 ch\u1ebf \u0111\u1ed9 s\u1eed d\u1ee5ng ph\u00f9 h\u1ee3p m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao. <\/p>\n<p> Th\u1ef1c t\u1ebf \u1edf n\u01b0\u1edbc ta hi\u1ec7n nay, c\u00e1c nghi\u00ean c\u1ee9u c\u01a1 b\u1ea3n x\u00e2y d\u1ef1ng c\u01a1 s\u1edf khoa h\u1ecdc l\u00e0m c\u0103n c\u1ee9 l\u1ef1a ch\u1ecdn v\u00e0 nghi\u00ean c\u1ee9u thi\u1ebft k\u1ebf, c\u1ea3i ti\u1ebfn thi\u1ebft b\u1ecb trong l\u0129nh v\u1ef1c c\u01a1 gi\u1edbi tr\u1ed3ng r\u1eebng c\u00f2n r\u1ea5t h\u1ea1n ch\u1ebf. H\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb c\u01a1 gi\u1edbi ph\u1ee5c v\u1ee5 tr\u1ed3ng, ch\u0103m s\u00f3c v\u00e0 b\u1ea3o v\u1ec7 r\u1eebng h\u1ea7u h\u1ebft c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng trong n\u00f4ng nghi\u1ec7p, giao th\u00f4ng, x\u00e2y d\u1ef1ng, \u0111\u00e2y l\u00e0 nguy\u00ean nh\u00e2n c\u01a1 b\u1ea3n d\u1eabn \u0111\u1ebfn hi\u1ec7u qu\u1ea3 c\u01a1 gi\u1edbi c\u00e1c kh\u00e2u s\u1ea3n xu\u1ea5t trong l\u00e2m nghi\u1ec7p c\u00f2n th\u1ea5p.  <\/p>\n<p> <em>(K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p giai \u0111o\u1ea1n 2006-2010, trang 419-429)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"<p><!--[if gte mso 9]><xml>\n<w:WordDocument>\n<w:View>Normal<\/w:View>\n<w:Zoom>0<\/w:Zoom>\n<w:PunctuationKerning\/>\n<w:ValidateAgainstSchemas\/>\n<w:SaveIfXMLInvalid>false<\/w:SaveIfXMLInvalid>\n<w:IgnoreMixedContent>false<\/w:IgnoreMixedContent>\n<w:AlwaysShowPlaceholderText>false<\/w:AlwaysShowPlaceholderText>\n<w:Compatibility>\n<w:BreakWrappedTables\/>\n<w:SnapToGridInCell\/>\n<w:WrapTextWithPunct\/>\n<w:UseAsianBreakRules\/>\n<w:DontGrowAutofit\/>\n<\/w:Compatibility>\n<\/w:WordDocument>\n<\/xml><![endif]--><!--[if gte mso 9]><xml>\n<w:LatentStyles DefLockedState=\"false\" LatentStyleCount=\"156\">\n<\/w:LatentStyles>\n<\/xml><![endif]--><!--[if gte mso 10]>\n\n\n<style>\n\/* Style Definitions *\/\ntable.MsoNormalTable\n{mso-style-name:\"Table Normal\";\nmso-tstyle-rowband-size:0;\nmso-tstyle-colband-size:0;\nmso-style-noshow:yes;\nmso-style-parent:\"\";\nmso-padding-alt:0cm 5.4pt 0cm 5.4pt;\nmso-para-margin:0cm;\nmso-para-margin-bottom:.0001pt;\nmso-pagination:widow-orphan;\nfont-size:10.0pt;\nfont-family:\"Times New Roman\";\nmso-ansi-language:#0400;\nmso-fareast-language:#0400;\nmso-bidi-language:#0400;}\n<\/style>\n\n\n<![endif]--><\/p>\n<div align=\"justify\">\n<span style=\"font-size: 10pt; font-family: Arial\">C\u01a1 gi\u1edbi ho&aacute; tr\u1ed3ng r\u1eebng l&agrave; vi\u1ec7c s\u1eed d\u1ee5ng c&aacute;c thi\u1ebft<br \/>\nb\u1ecb m&aacute;y m&oacute;c \u0111\u1ec3 th\u1ef1c hi\u1ec7n c&aacute;c c&ocirc;ng vi\u1ec7c t\u1eeb s\u1ea3n xu\u1ea5t c&acirc;y gi\u1ed1ng t\u1ea1i v\u01b0\u1eddn \u01b0\u01a1m, l&agrave;m<br \/>\n\u0111\u1ea5t, tr\u1ed3ng c&acirc;y, ch\u0103m s&oacute;c v&agrave; b\u1ea3o v\u1ec7 r\u1eebng. Trong c&aacute;c c&ocirc;ng vi\u1ec7c \u0111&oacute;, l&agrave;m \u0111\u1ea5t tr\u1ed3ng,<br \/>\nch\u0103m s&oacute;c r\u1eebng l&agrave; nh\u1eefng vi\u1ec7c n\u1eb7ng nh\u1ecdc, t\u1ed1n nhi\u1ec1u lao \u0111\u1ed9ng, chi ph&iacute; l\u1edbn v&agrave; b\u1eb1ng<br \/>\nlao \u0111\u1ed9ng th\u1ee7 c&ocirc;ng kh&oacute; \u0111\u1ea3m b\u1ea3o c&aacute;c y&ecirc;u c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng. H\u01a1n n\u1eefa, ho\u1ea1t \u0111\u1ed9ng s\u1ea3n<br \/>\nxu\u1ea5t l&acirc;m nghi\u1ec7p \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba h&igrave;nh chia c\u1eaft ph&acirc;n t&aacute;n ph\u1ee9c<br \/>\nt\u1ea1p, \u0111\u1ed9 d\u1ed1c cao, \u0111\u1ea5t \u0111ai kh&ocirc;ng \u0111\u1ed3ng nh\u1ea5t, c&acirc;y r\u1eebng c&oacute; chu k\u1ef3 d&agrave;i, y&ecirc;u c\u1ea7u k\u1ef9<br \/>\nthu\u1eadt canh t&aacute;c \u0111\u1ed1i v\u1edbi m\u1ed7i lo\u1ea1i c&acirc;y v&agrave; m\u1ee5c \u0111&iacute;ch tr\u1ed3ng l&agrave; r\u1ea5t kh&aacute;c nhau.<\/span>\n<\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9829"}],"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=9829"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9829\/revisions"}],"predecessor-version":[{"id":11279,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9829\/revisions\/11279"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}