{"id":9803,"date":"2012-04-12T08:11:03","date_gmt":"2012-04-12T01:11:03","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/04\/ket-qua-danh-gia-sinh-truong-cua-mot-so-loai-cay-la-rong-ban-dia-trong-duoi-tan-rung-thong-ma-vi-va-thong-nhua-tai-dai-lai-vinh-phuc\/"},"modified":"2013-10-06T09:02:42","modified_gmt":"2013-10-06T02:02:42","slug":"ket-qua-danh-gia-sinh-truong-cua-mot-so-loai-cay-la-rong-ban-dia-trong-duoi-tan-rung-thong-ma-vi-va-thong-nhua-tai-dai-lai-vinh-phuc","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-danh-gia-sinh-truong-cua-mot-so-loai-cay-la-rong-ban-dia-trong-duoi-tan-rung-thong-ma-vi-va-thong-nhua-tai-dai-lai-vinh-phuc\/","title":{"rendered":"K\u1ebft qu\u1ea3 \u0111\u00e1nh gi\u00e1 sinh tr\u01b0\u1edfng c\u1ee7a m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y l\u00e1 r\u1ed9ng b\u1ea3n \u0111\u1ecba tr\u1ed3ng d\u01b0\u1edbi t\u00e1n r\u1eebng Th\u00f4ng m\u00e3 v\u0129 v\u00e0 Th\u00f4ng nh\u1ef1a t\u1ea1i \u0110\u1ea1i L\u1ea3i, V\u0129nh Ph\u00fac"},"content":{"rendered":"

B\u00f9i Tr\u1ecdng Thu\u1ef7, L\u00ea V\u0103n B\u00ecnh<\/strong><\/em> <\/p>\n

Trung t\u00e2m Khoa h\u1ecdc S\u1ea3n xu\u1ea5t L\u00e2m nghi\u1ec7p \u0110\u00f4ng B\u1eafc B\u1ed9 <\/em> <\/p>\n<\/p>\n

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

M\u1ee5c ti\u00eau c\u1ee7a nghi\u00ean c\u1ee9u nh\u1eb1m x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng th\u1ee9c k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng, ch\u0103m s\u00f3c r\u1eebng ph\u00f9 h\u1ee3p cho c\u00e1c lo\u00e0i c\u00e2y l\u00e1 r\u1ed9ng b\u1ea3n \u0111\u1ecba t\u1ea1i \u0110\u1ea1i L\u1ea3i – V\u0129nh Ph\u00fac. Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh v\u1edbi c\u00e1c lo\u00e0i c\u00e2y l\u00e1 r\u1ed9ng b\u1ea3n \u0111\u1ecba: Lim xanh, Lim x\u1eb9t, Gi\u1ed5i xanh, Re h\u01b0\u01a1ng, Sao \u0111en tr\u1ed3ng d\u01b0\u1edbi t\u00e1n r\u1eebng Th\u00f4ng m\u00e3 v\u0129 v\u00e0 Th\u00f4ng nh\u1ef1a t\u1ea1i V\u0129nh Ph\u00fac. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u b\u01b0\u1edbc \u0111\u1ea7u cho th\u1ea5y sinh tr\u01b0\u1edfng c\u1ee7a c\u00e1c lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba ph\u00e1t tri\u1ec3n t\u1ed1t nh\u1ea5t \u1edf ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng theo h\u00e0ng. C\u00f4ng th\u1ee9c ch\u0103m s\u00f3c ph\u00e1t d\u1ecdn th\u1ef1c b\u00ec c\u1ee5c b\u1ed9 quanh g\u1ed1c, b\u00f3n 0,2 kg NPK\/c\u00e2y v\u00e0 c\u00f4ng th\u1ee9c ph\u00e1t th\u1ef1c b\u00ec theo b\u0103ng r\u1ed9ng 2 m k\u1ebft h\u1ee3p b\u00f3n 0,2kg NPK\/c\u00e2y cho c\u00e1c gi\u00e1 tr\u1ecb v\u1ec1 sinh tr\u01b0\u1edfng l\u1edbn nh\u1ea5t. Ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng v\u00e0 \u0111\u1ed9 t\u00e0n che ch\u01b0a c\u00f3 t\u00e1c \u0111\u1ed9ng v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c ch\u1ec9 ti\u00eau sinh tr\u01b0\u1edfng c\u1ee7a Lim xanh, Gi\u1ed5i xanh v\u00e0 Re h\u01b0\u01a1ng tu\u1ed5i 1. C\u00e1c k\u1ebft qu\u1ea3 \u0111\u00e1nh gi\u00e1 g\u00f3p ph\u1ea7n b\u1ed5 sung c\u01a1 s\u1edf khoa h\u1ecdc cho c\u00f4ng t\u00e1c tr\u1ed3ng v\u00e0 ch\u0103m s\u00f3c r\u1eebng c\u00e2y b\u1ea3n \u0111\u1ecba d\u01b0\u1edbi t\u00e1n r\u1eebng Th\u00f4ng. <\/p>\n

T\u1eeb kh\u00f3a:<\/strong> Sinh tr\u01b0\u1edfng, c\u00e2y b\u1ea3n \u0111\u1ecba, tr\u1ed3ng d\u01b0\u1edbi t\u00e1n, ph\u00e2n b\u00f3n, Th\u00f4ng m\u00e3 v\u0129, Th\u00f4ng nh\u1ef1a <\/p>\n

M\u1ede \u0110\u1ea6U<\/strong> <\/p>\n

Nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, Ch\u00ednh ph\u1ee7 Vi\u1ec7t Nam \u0111\u00e3 ban h\u00e0nh nhi\u1ec1u ch\u00ednh s\u00e1ch, th\u1ef1c hi\u1ec7n nhi\u1ec1u ch\u01b0\u01a1ng tr\u00ecnh, d\u1ef1 \u00e1n, nh\u1eb1m \u0111\u1ea9y nhanh t\u1ed1c \u0111\u1ed9 ph\u1ee5c h\u1ed3i v\u00e0 ph\u00e1t tri\u1ec3n r\u1eebng nh\u01b0 ch\u01b0\u01a1ng tr\u00ecnh 327 giai \u0111o\u1ea1n 1992 – 1998, d\u1ef1 \u00e1n tr\u1ed3ng m\u1edbi 5 tri\u1ec7u ha r\u1eebng giai \u0111o\u1ea1n 1998 – 2010 v\u00e0 \u0111\u1ebfn nay l\u00e0 ch\u01b0\u01a1ng tr\u00ecnh b\u1ea3o v\u1ec7 v\u00e0 ph\u00e1t tri\u1ec3n r\u1eebng b\u1ec1n v\u1eefng. T\u00ednh \u0111\u1ebfn 31 th\u00e1ng 12 n\u0103m 2009, t\u1ed5ng di\u1ec7n t\u00edch r\u1eebng v\u00e0 r\u1eebng m\u1edbi tr\u1ed3ng n\u01b0\u1edbc ta l\u00e0 13.258.843 ha, chi\u1ebfm 39,1% t\u1ed5ng di\u1ec7n t\u00edch \u0111\u1ea5t t\u1ef1 nhi\u00ean, trong \u0111\u00f3 di\u1ec7n t\u00edch r\u1eebng t\u1ef1 nhi\u00ean l\u00e0 10.339.305 ha, di\u1ec7n t\u00edch r\u1eebng tr\u1ed3ng l\u00e0 2.919.538ha (B\u1ed9 N\u00f4ng nghi\u1ec7p v\u00e0 ph\u00e1t tri\u1ec3n n\u00f4ng th\u00f4n, 2010). <\/p>\n

Trong ch\u01b0\u01a1ng tr\u00ecnh tr\u1ed3ng m\u1edbi 5 tri\u1ec7u ha r\u1eebng, vi\u1ec7c ph\u1ee5c h\u1ed3i r\u1eebng b\u1eb1ng tr\u1ed3ng c\u00e2y l\u00e1 r\u1ed9ng b\u1ea3n \u0111\u1ecba \u0111\u01b0\u1ee3c \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd. Vi\u1ec7c tr\u1ed3ng r\u1eebng thu\u1ea7n lo\u00e0i c\u0169ng c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m nh\u01b0 cho s\u1ea3n ph\u1ea9m nhanh v\u00e0 \u0111\u1ed3ng nh\u1ea5t v\u1ec1 quy c\u00e1ch, ph\u1ee5c v\u1ee5 t\u1ed1t cho ch\u1ebf bi\u1ebfn g\u1ed7 c\u00f4ng nghi\u1ec7p,… B\u00ean c\u1ea1nh \u0111\u00f3 r\u1eebng tr\u1ed3ng thu\u1ea7n lo\u00e0i c\u0169ng b\u1ecdc l\u1ed9 kh\u00f4ng \u00edt nh\u01b0\u1ee3c \u0111i\u1ec3m nh\u01b0 kh\u00f4ng b\u1ec1n v\u1eefng, nhi\u1ec1u s\u00e2u b\u1ec7nh h\u1ea1i, kh\u1ea3 n\u0103ng ph\u00f2ng h\u1ed9 m\u00f4i tr\u01b0\u1eddng k\u00e9m,… \u0110\u1eb7c bi\u1ec7t hi\u1ec7n t\u01b0\u1ee3ng s\u00e2u b\u1ec7nh h\u00e0ng lo\u1ea1t \u0111\u00e3 xu\u1ea5t hi\u1ec7n \u1edf c\u00e1c di\u1ec7n t\u00edch tr\u1ed3ng r\u1eebng thu\u1ea7n lo\u00e0i nh\u01b0 Th\u00f4ng, Keo, B\u1ea1ch \u0111\u00e0n (s\u00e2u r\u00f3m \u1edf Th\u00f4ng, b\u1ec7nh \u0111\u1ed1m l\u00e1 v\u00e0 ch\u00e1y l\u00e1 \u1edf B\u1ea1ch \u0111\u00e0n, ph\u1ea5n h\u1ed3ng v\u00e0 r\u1ed7ng ru\u1ed9t \u1edf Keo,…). Theo s\u1ed1 li\u1ec7u b\u00e1o c\u00e1o t\u1ed5ng k\u1ebft c\u00f4ng tr\u00ecnh \u0111i\u1ec1u tra th\u1ef1c \u0111\u1ecba n\u0103m 2008, di\u1ec7n t\u00edch r\u1eebng tr\u1ed3ng th\u00f4ng thu\u1ea7n lo\u00e0i l\u00e0 327.212,1 ha chi\u1ebfm 14,08%.Nh\u1eb1m ph\u00e1t tri\u1ec3n r\u1eebng theo h\u01b0\u1edbng b\u1ec1n v\u1eefng, r\u00fat ng\u1eafn chu k\u1ef3 kinh doanh, \u0111a d\u1ea1ng ngu\u1ed3n s\u1ea3n ph\u1ea9m t\u1eeb g\u1ed7 do vi\u1ec7c tr\u1ed3ng nhi\u1ec1u lo\u00e0i c\u00e2y g\u1ed7 c\u00f3 gi\u00e1 tr\u1ecb kh\u00e1c nhau, l\u00e0m gi\u1ea3m nguy c\u01a1 ch\u00e1y r\u1eebng; h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e1 h\u1ea1i c\u1ee7a c\u00f4n tr\u00f9ng v\u00e0 s\u1ef1 l\u00e2y lan c\u1ee7a c\u00e1c m\u1ea7m b\u1ec7nh so v\u1edbi ki\u1ec3u tr\u1ed3ng thu\u1ea7n lo\u00e0i, c\u1ea3i thi\u1ec7n m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i, t\u0103ng kh\u1ea3 n\u0103ng ph\u00f2ng h\u1ed9 c\u1ee7a r\u1eebng, ti\u1ec7m c\u1eadn g\u1ea7n v\u1edbi r\u1eebng t\u1ef1 nhi\u00ean trong t\u01b0\u01a1ng lai b\u1eb1ng vi\u1ec7c g\u00e2y tr\u1ed3ng c\u00e1c lo\u00e0i c\u00e2y l\u00e1 r\u1ed9ng b\u1ea3n \u0111\u1ecba d\u01b0\u1edbi t\u00e1n r\u1eebng th\u00f4ng l\u00e0 vi\u1ec7c l\u00e0m r\u1ea5t c\u1ea7n thi\u1ebft. <\/p>\n

B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 \u0111\u00e1nh gi\u00e1 sinh tr\u01b0\u1edfng c\u1ee7a 4 lo\u00e0i c\u00e2y Lim xanh, Gi\u1ed5i xanh, Sao \u0111en v\u00e0 Re h\u01b0\u01a1ng tr\u1ed3ng d\u01b0\u1edbi t\u00e1n r\u1eebng Th\u00f4ng m\u00e3 v\u0129 v\u00e0 Th\u00f4ng nh\u1ef1a t\u1eeb \u0111\u00f3 \u0111\u1ec1 xu\u1ea5t c\u00e1c ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e2m sinh ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u00e0i c\u00e2y n\u00e0y. \u0110\u00e2y l\u00e0 m\u1ed9t n\u1ed9i dung nghi\u00ean c\u1ee9u c\u1ee7a \u0111\u1ec1 t\u00e0i: “Nghi\u00ean c\u1ee9u c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y l\u00e1 r\u1ed9ng b\u1ea3n \u0111\u1ecba d\u01b0\u1edbi t\u00e1n r\u1eebng th\u00f4ng<\/em><\/strong>“. <\/p>\n

(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 287-296)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"

<\/p>\n

\nM\u1ee5c tiêu c\u1ee7a nghiên c\u1ee9u nh\u1eb1m xác \u0111\u1ecbnh ph\u01b0\u01a1ng
\nth\u1ee9c k\u1ef9 thu\u1eadt gây tr\u1ed3ng, ch\u0103m sóc r\u1eebng phù h\u1ee3p cho các loài cây lá r\u1ed9ng b\u1ea3n \u0111\u1ecba
\nt\u1ea1i \u0110\u1ea1i L\u1ea3i – V\u0129nh Phúc. Nghiên c\u1ee9u \u0111\u01b0\u1ee3c ti\u1ebfn hành v\u1edbi các loài cây lá r\u1ed9ng b\u1ea3n
\n\u0111\u1ecba: Lim xanh, Lim x\u1eb9t, Gi\u1ed5i xanh, Re h\u01b0\u01a1ng, Sao \u0111en tr\u1ed3ng d\u01b0\u1edbi tán r\u1eebng Thông mã
\nv\u0129 và Thông nh\u1ef1a t\u1ea1i V\u0129nh Phúc. K\u1ebft qu\u1ea3 nghiên c\u1ee9u b\u01b0\u1edbc \u0111\u1ea7u cho th\u1ea5y sinh
\ntr\u01b0\u1edfng c\u1ee7a các loài cây b\u1ea3n \u0111\u1ecba phát tri\u1ec3n t\u1ed1t nh\u1ea5t \u1edf ph\u01b0\u01a1ng th\u1ee9c tr\u1ed3ng theo
\nhàng. <\/span>\n<\/div>\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\/9803"}],"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=9803"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9803\/revisions"}],"predecessor-version":[{"id":11254,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9803\/revisions\/11254"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}