{"id":9083,"date":"2009-04-20T08:32:36","date_gmt":"2009-04-20T01:32:36","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/ket-qua-xay-dung-mo-hinh-thi-nghiem-xuc-tien-tai-sinh-tai-lau-bai-hoa-binh\/"},"modified":"2013-10-06T09:01:18","modified_gmt":"2013-10-06T02:01:18","slug":"ket-qua-xay-dung-mo-hinh-thi-nghiem-xuc-tien-tai-sinh-tai-lau-bai-hoa-binh","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-xay-dung-mo-hinh-thi-nghiem-xuc-tien-tai-sinh-tai-lau-bai-hoa-binh\/","title":{"rendered":"K\u1ebft qu\u1ea3 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m x\u00fac ti\u1ebfn t\u00e1i sinh t\u1ea1i Lau Bai, Ho\u00e0 B\u00ecnh"},"content":{"rendered":"\n

Nguy\u1ec5n Quang Kh\u1ea3i<\/strong> <\/p>\n

Ph\u00f2ng Nghi\u00ean c\u1ee9u K\u1ef9 thu\u1eadt L\u00e2m sinh<\/em> <\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/em> <\/p>\n

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

D\u1ef1 \u00e1n ph\u1ee5c h\u1ed3i r\u1eebng t\u1ef1 nhi\u00ean v\u00f9ng \u0111\u1ea7u ngu\u1ed3n b\u1ecb suy tho\u00e1i t\u1ea1i mi\u1ec1n B\u1eafc Vi\u1ec7t Nam (RENFODA \u2013 JICA) \u0111\u01b0\u1ee3c tri\u1ec3n khai tr\u00ean ph\u1ea1m vi 20 x\u00e3 v\u00f9ng h\u1ed3 Ho\u00e0 B\u00ecnh. M\u1ee5c ti\u00eau c\u1ee7a d\u1ef1 \u00e1n nh\u1eb1m x\u00e1c \u0111\u1ecbnh c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt \u0111\u1ec3 ph\u1ee5c h\u1ed3i r\u1eebng t\u1ef1 nhi\u00ean b\u1ecb suy tho\u00e1i. Bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e2m sinh \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng l\u00e0 t\u1ea1o r\u1ea1ch v\u00e0 \u0111\u00e1m tr\u1ed1ng, c\u00f3 gieo h\u1ea1t b\u1ed5 sung c\u00e1c lo\u00e0i c\u00e2y l\u00e1 r\u1ed9ng b\u1ea3n \u0111\u1ecba d\u01b0\u1edbi r\u1eebng th\u1ee9 sinh ki\u1ec7t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng Lau Bai, t\u1ec9nh H\u00f2a B\u00ecnh. K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m sau 4 n\u0103m \u0111\u00e3 cho th\u1ea5y: C\u00f3 th\u1ec3 \u00e1p d\u1ee5ng bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt t\u1ea1o r\u1ea1ch ho\u1eb7c \u0111\u00e1m tr\u1ed1ng \u0111\u1ec3 x\u00fac ti\u1ebfn t\u00e1i sinh, k\u1ebft h\u1ee3p gieo h\u1ea1t b\u1ed5 sung lo\u00e0i Lim xanh (Erythrophloeum fordii<\/em>), Lim x\u1eb9t (Peltophorum pterocarpum<\/em>), v\u00e0 R\u00e0ng r\u00e0ng m\u00edt (Ormosia balansae<\/em>). B\u01b0\u1edbc \u0111\u1ea7u c\u1ea3 3 lo\u1ea1i h\u1ea1t khi gieo \u0111\u1ec1u c\u00f3 t\u1ef7 l\u1ec7 n\u1ea3y m\u1ea7m cao, c\u00e2y con sinh tr\u01b0\u1edfng t\u1ed1t, trong \u0111\u00f3 Lim xanh l\u00e0 lo\u00e0i c\u00f3 tri\u1ec3n v\u1ecdng nh\u1ea5t, sau \u0111\u1ebfn R\u00e0ng r\u00e0ng m\u00edt. Ri\u00eang Lim x\u1eb9t c\u1ea7n nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n v\u1ec1 k\u1ef9 thu\u1eadt ch\u0103m s\u00f3c, \u0111i\u1ec1u ch\u1ec9nh t\u00e1n c\u00e2y trong c\u00e1c r\u1ea1ch gieo \u0111\u1ec3 c\u00e2y con c\u00f3 \u0111\u1ee7 \u00e1nh s\u00e1ng th\u00edch h\u1ee3p cho sinh tr\u01b0\u1edfng v\u00e0 duy tr\u00ec t\u1ef7 l\u1ec7 s\u1ed1ng cao. Ngo\u00e0i ra, vi\u1ec7c ch\u0103m s\u00f3c nu\u00f4i d\u01b0\u1ee1ng nh\u1eefng lo\u00e0i c\u00e2y t\u00e1i sinh s\u1eb5n c\u00f3 tr\u00ean c\u00e1c r\u1ea1ch hay \u0111\u00e1m tr\u1ed1ng nh\u1eb1m \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh ph\u1ee5c h\u1ed3i r\u1eebng th\u1ee9 sinh ki\u1ec7t b\u1ecb tho\u00e1i h\u00f3a \u1edf r\u1eebng ph\u00f2ng h\u1ed9 h\u1ed3 H\u00f2a B\u00ecnh l\u00e0 h\u1ebft s\u1ee9c c\u1ea7n thi\u1ebft. <\/p>\n

T\u1eeb kh\u00f3a:<\/strong> Lau Bai, l\u1ed7 tr\u1ed1ng, r\u1ea1ch, x\u00fac ti\u1ebfn t\u00e1i sinh <\/p>\n

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

Nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e2m sinh trong vi\u1ec7c ph\u1ee5c h\u1ed3i r\u1eebng th\u1ee9 sinh ngh\u00e8o ki\u1ec7t, tho\u00e1i h\u00f3a nh\u1eb1m g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c ph\u1ee5c h\u1ed3i r\u1eebng ph\u00f2ng h\u1ed9 \u0111\u1ea7u ngu\u1ed3n l\u00e0 v\u1ea5n \u0111\u1ec1 c\u00f3 \u00fd ngh\u0129a th\u1ef1c t\u1ebf v\u00e0 chi\u1ebfn l\u01b0\u1ee3c quan tr\u1ecdng cho v\u00f9ng ph\u00f2ng h\u1ed9 s\u00f4ng \u0110\u00e0 n\u00f3i chung v\u00e0 cho v\u00f9ng h\u1ed3 th\u1ee7y \u0111i\u1ec7n H\u00f2a B\u00ecnh n\u00f3i ri\u00eang.Trong khu\u00f4n kh\u1ed5 h\u1ee3p t\u00e1c k\u1ef9 thu\u1eadt gi\u1eefa Ch\u00ednh ph\u1ee7 Vi\u1ec7t Nam v\u00e0 Nh\u1eadt B\u1ea3n, d\u1ef1 \u00e1n ph\u1ee5c h\u1ed3i r\u1eebng t\u1ef1 nhi\u00ean v\u00f9ng \u0111\u1ea7u ngu\u1ed3n b\u1ecb suy tho\u00e1i t\u1ea1i mi\u1ec1n B\u1eafc Vi\u1ec7t Nam (RENFODA \u2013 JICA) \u0111\u01b0\u1ee3c tri\u1ec3n khai tr\u00ean ph\u1ea1m vi 20 x\u00e3 v\u00f9ng ph\u00f2ng h\u1ed9 xung y\u1ebfu ven h\u1ed3 Ho\u00e0 B\u00ecnh. M\u1ee5c ti\u00eau c\u1ee7a d\u1ef1 \u00e1n nh\u1eb1m x\u00e1c \u0111\u1ecbnh c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt v\u00e0 kinh t\u1ebf x\u00e3 h\u1ed9i ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u1ee5c h\u1ed3i r\u1eebng tho\u00e1i ho\u00e1 g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c qu\u1ea3n l\u00fd b\u1ec1n v\u1eefng r\u1eebng ph\u00f2ng h\u1ed9 v\u00f9ng l\u00f2ng h\u1ed3 s\u00f4ng \u0110\u00e0. \u0110\u1ec3 c\u00f3 c\u01a1 s\u1edf khoa h\u1ecdc cho vi\u1ec7c ph\u1ee5c h\u1ed3i r\u1eebng t\u1ef1 nhi\u00ean b\u1ecb tho\u00e1i h\u00f3a, b\u1eb1ng nhi\u1ec1u bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e2m sinh trong \u0111\u00f3 vi\u1ec7c nghi\u00ean c\u1ee9u x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m khoanh nu\u00f4i x\u00fac ti\u1ebfn t\u00e1i sinh \u0111\u00e3 \u0111\u01b0\u1ee3c tri\u1ec3n khai th\u1ef1c hi\u1ec7n t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng nghi\u00ean c\u1ee9u c\u1ee7a d\u1ef1 \u00e1n. <\/p>\n

C\u1eadp nh\u1eadt t\u1ea1i \u0111\u00e2y<\/a><\/strong> <\/p>\n","protected":false},"excerpt":{"rendered":"

\n \n<\/p>\n

\nD\u1ef1 án ph\u1ee5c h\u1ed3i r\u1eebng t\u1ef1 nhiên vùng \u0111\u1ea7u ngu\u1ed3n b\u1ecb suy thoái t\u1ea1i mi\u1ec1n B\u1eafc Vi\u1ec7t Nam (RENFODA – JICA) \u0111\u01b0\u1ee3c tri\u1ec3n khai trên ph\u1ea1m vi 20 xã vùng h\u1ed3 Hoà Bình. M\u1ee5c tiêu c\u1ee7a d\u1ef1 án nh\u1eb1m xác \u0111\u1ecbnh các bi\u1ec7n pháp k\u1ef9 thu\u1eadt \u0111\u1ec3 ph\u1ee5c h\u1ed3i r\u1eebng t\u1ef1 nhiên b\u1ecb suy thoái. Bi\u1ec7n pháp k\u1ef9 thu\u1eadt lâm sinh  <\/span>\u0111\u01b0\u1ee3c áp d\u1ee5ng là t\u1ea1o r\u1ea1ch và \u0111ám tr\u1ed1ng, có gieo h\u1ea1t b\u1ed5 sung các loài cây lá r\u1ed9ng b\u1ea3n \u0111\u1ecba d\u01b0\u1edbi r\u1eebng th\u1ee9 sinh ki\u1ec7t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng Lau Bai, t\u1ec9nh Hòa Bình. K\u1ebft qu\u1ea3 thí nghi\u1ec7m sau 4 n\u0103m \u0111ã cho th\u1ea5y: Có th\u1ec3 áp d\u1ee5ng bi\u1ec7n pháp k\u1ef9 thu\u1eadt t\u1ea1o r\u1ea1ch ho\u1eb7c \u0111ám tr\u1ed1ng \u0111\u1ec3 xúc ti\u1ebfn tái sinh, k\u1ebft h\u1ee3p gieo h\u1ea1t b\u1ed5 sung loài Lim xanh (Erythrophloeum fordii<\/em>), Lim x\u1eb9t (Peltophorum pterocarpum<\/em>), và Ràng ràng mít (Ormosia balansae<\/em>). B\u01b0\u1edbc \u0111\u1ea7u c\u1ea3 3 lo\u1ea1i h\u1ea1t khi gieo \u0111\u1ec1u có t\u1ef7 l\u1ec7 n\u1ea3y m\u1ea7m cao, cây con sinh tr\u01b0\u1edfng t\u1ed1t, trong \u0111ó Lim xanh là loài có tri\u1ec3n v\u1ecdng nh\u1ea5t, sau \u0111\u1ebfn Ràng ràng mít. Riêng Lim x\u1eb9t c\u1ea7n nghiên c\u1ee9u sâu h\u01a1n v\u1ec1 k\u1ef9 thu\u1eadt ch\u0103m sóc, \u0111i\u1ec1u ch\u1ec9nh tán cây trong các r\u1ea1ch gieo \u0111\u1ec3 cây con có \u0111\u1ee7 ánh sáng thích h\u1ee3p cho sinh tr\u01b0\u1edfng và duy trì t\u1ef7 l\u1ec7 s\u1ed1ng cao. Ngoài ra, vi\u1ec7c ch\u0103m sóc nuôi d\u01b0\u1ee1ng nh\u1eefng loài cây tái sinh s\u1eb5n có trên các r\u1ea1ch hay \u0111ám tr\u1ed1ng nh\u1eb1m \u0111\u1ea9y nhanh quá trình ph\u1ee5c h\u1ed3i r\u1eebng th\u1ee9 sinh ki\u1ec7t b\u1ecb thoái hóa \u1edf r\u1eebng phòng h\u1ed9 h\u1ed3 Hòa Bình là h\u1ebft s\u1ee9c c\u1ea7n thi\u1ebft. <\/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\/9083"}],"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=9083"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9083\/revisions"}],"predecessor-version":[{"id":10537,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9083\/revisions\/10537"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}