{"id":9606,"date":"2011-06-15T04:03:39","date_gmt":"2011-06-14T21:03:39","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2011\/06\/ket-qua-nghien-cuu-gay-trong-thuc-quy-chieu-lieu-nuoc-va-thui-o-vung-dong-nam-bo\/"},"modified":"2013-10-06T09:02:20","modified_gmt":"2013-10-06T02:02:20","slug":"ket-qua-nghien-cuu-gay-trong-thuc-quy-chieu-lieu-nuoc-va-thui-o-vung-dong-nam-bo","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-nghien-cuu-gay-trong-thuc-quy-chieu-lieu-nuoc-va-thui-o-vung-dong-nam-bo\/","title":{"rendered":"K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u g\u00e2y tr\u1ed3ng Th\u1ee5c qu\u1ef3, Chi\u00eau li\u00eau n\u01b0\u1edbc v\u00e0 Th\u00fai \u1edf v\u00f9ng \u0110\u00f4ng Nam b\u1ed9"},"content":{"rendered":"<\/p>\n

Nguy\u1ec5n Thanh Minh<\/strong> <\/p>\n

Trung t\u00e2m KHSXLN \u0110\u00f4ng Nam B\u1ed9<\/em> <\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/strong> <\/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 c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt g\u00e2y tr\u1ed3ng cho c\u00e1c lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba m\u1ecdc nhanh Th\u1ee5c qu\u1ef3, Chi\u00eau li\u00eau n\u01b0\u1edbc v\u00e0 Th\u00fai \u0111\u1ec3 ph\u00e1t tri\u1ec3n ngu\u1ed3n nguy\u00ean li\u1ec7u cung c\u1ea5p g\u1ed7 l\u1edbn t\u1ea1i v\u00f9ng \u0110\u00f4ng Nam B\u1ed9. Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb kh\u00e2u gieo \u01b0\u01a1m \u0111\u1ebfn c\u00e1c bi\u1ec7n ph\u00e1p g\u00e2y tr\u1ed3ng t\u1ea1i hai lo\u1ea1i \u0111\u1ea5t ch\u00ednh trong v\u00f9ng l\u00e0 \u0111\u1ea5t c\u00e1t x\u00e1m \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh tr\u00ean t\u00e0n t\u00edch ph\u00f9 sa c\u1ed5, t\u1ea1i B\u00e0u B\u00e0ng – B\u00ecnh D\u01b0\u01a1ng v\u00e0 \u0111\u1ea5t Feralit \u0111\u1ecf v\u00e0ng ph\u00e1t tri\u1ec3n tr\u00ean sa phi\u1ebfn th\u1ea1ch t\u1ea1i M\u00e3 \u0110\u00e0 \u2013 \u0110\u1ed3ng Nai. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u1ec1 th\u00e0nh ph\u1ea7n ru\u1ed9t b\u1ea7u \u1edf giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m cho th\u1ea5y c\u1ea3 3 lo\u00e0i \u0111i\u1ec1u sinh tr\u01b0\u1edfng t\u1ed1t \u1edf t\u1ef7 l\u1ec7 x\u01a1 d\u1eeba t\u1eeb 25% \u0111\u1ebfn 50%. \u0110\u1ed1i v\u1edbi lo\u00e0i Th\u1ee5c qu\u1ef3 nh\u1ea5t thi\u1ebft ph\u1ea3i che s\u00e1ng t\u1eeb 50% \u0111\u1ebfn 75% trong 3 th\u00e1ng \u0111\u1ea7u t\u1ea1i v\u01b0\u1eddn \u01b0\u01a1m. Th\u1ee5c qu\u1ef3 l\u00e0 lo\u00e0i sinh tr\u01b0\u1edfng nhanh, \u1edf 2,5 tu\u1ed5i, l\u01b0\u1ee3ng t\u0103ng tr\u01b0\u1edfng h\u00e0ng n\u0103m \u0111\u1ea1t 3,50 cm\/n\u0103m v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c v\u00e0 2,27 m\/n\u0103m v\u1ec1 chi\u1ec1u cao. C\u0169ng \u1edf tu\u1ed5i n\u00e0y m\u1eadt \u0111\u1ed9 tr\u1ed3ng b\u1eaft \u0111\u1ea7u \u1ea3nh h\u01b0\u1edfng t\u0103ng tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u1ec1 li\u1ec1u l\u01b0\u1ee3ng ph\u00e2n b\u00f3n cho th\u1ea5y ph\u00e2n b\u00f3n c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a lo\u00e0i Th\u00fai. Li\u1ec1u l\u01b0\u1ee3ng b\u00f3n l\u00f3t kho\u1ea3ng 150g NPK 16:16:8 v\u00e0 500g ph\u00e2n l\u00e2n vi sinh cho c\u00e2y sinh tr\u01b0\u1edfng t\u1ed1t. Nghi\u00ean c\u1ee9u tr\u1ed3ng h\u1ed7n giao gi\u1eefa c\u00e1c lo\u00e0i Th\u00fai, Th\u1ee5c qu\u1ef3, Chi\u00eau li\u00eau n\u01b0\u1edbc cho t\u1ef7 l\u1ec7 s\u1ed1ng kh\u00e1 cao tr\u00ean 93%. T\u0103ng tr\u01b0\u1edfng b\u00ecnh qu\u00e2n c\u1ee7a c\u00e1c lo\u00e0i t\u1eeb 2,25 cm\/n\u0103m \u0111\u1ebfn 3,21 cm\/n\u0103m v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c v\u00e0 t\u1eeb 1,62 m\/n\u0103m \u0111\u1ebfn 2,73 m\/n\u0103m v\u1ec1 chi\u1ec1ucao v\u00fat ng\u1ecdn. C\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u g\u00f3p ph\u1ea7n b\u1ed5 sung c\u01a1 s\u01a1 khoa h\u1ecdc cho tr\u1ed3ng r\u1eebng l\u1ea5y g\u1ed7 ba lo\u00e0i c\u00e2y n\u00e0y. <\/p>\n

T\u1eeb kh\u00f3a<\/strong>: Th\u1ee5c qu\u1ef3, Chi\u00eau li\u00eau n\u01b0\u1edbc, Th\u00fai <\/p>\n

I.<\/strong> \u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n

\u0110\u00f4ng Nam B\u1ed9 l\u00e0 m\u1ed9t trong b\u1ea3y v\u00f9ng kinh t\u1ebf tr\u1ecdng \u0111i\u1ec3m c\u1ee7a c\u1ea3 n\u01b0\u1edbc, v\u1edbi di\u1ec7n t\u00edch \u0111\u1ea5t t\u1ef1 nhi\u00ean 3,74 tri\u1ec7u ha chi\u1ebfm 10,5% di\u1ec7n t\u00edch c\u1ea3 n\u01b0\u1edbc. \u0110\u00e2y l\u00e0 v\u00f9ng c\u00f3 \u01b0u th\u1ebf v\u1ec1 v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd v\u00e0 \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean, kh\u00ed h\u1eadu \u00f4n ho\u00e0, \u0111\u1ea5t \u0111ai \u0111a d\u1ea1ng v\u00e0 ph\u00e2n b\u1ed1 th\u00e0nh nh\u1eefng v\u00f9ng r\u1ed9ng l\u1edbn th\u00edch h\u1ee3p cho ph\u00e1t tri\u1ec3n v\u00f9ng nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p. T\u1ed5ng di\u1ec7n t\u00edch r\u1eebng hi\u1ec7n c\u00f3 kho\u1ea3ng 960 ng\u00e0n ha, chi\u1ebfm 27,7% di\u1ec7n t\u00edch \u0111\u1ea5t t\u1ef1 nhi\u00ean c\u1ee7a khu v\u1ef1c trong \u0111\u00f3 r\u1eebng t\u1ef1 nhi\u00ean g\u1ea7n 850 ng\u00e0n ha. Tuy nhi\u00ean, di\u1ec7n t\u00edch r\u1eebng t\u1ef1 nhi\u00ean ng\u00e0y c\u00e0ng suy gi\u1ea3m c\u1ea3 v\u1ec1 di\u1ec7n t\u00edch l\u1eabn ch\u1ea5t l\u01b0\u1ee3ng do t\u00ecnh tr\u1ea1ng khai th\u00e1c qu\u00e1 m\u1ee9c v\u00e0 vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i \u0111\u1ea5t r\u1eebng sang canh t\u00e1c n\u00f4ng nghi\u1ec7p ho\u1eb7c d\u00f9ng v\u00e0o m\u1ee5c \u0111\u00edch kh\u00e1c. Nhi\u1ec1u di\u1ec7n t\u00edch tr\u1ed3ng m\u1edbi b\u1eb1ng c\u00e1c lo\u00e0i c\u00e2y m\u1ecdc nhanh ch\u1ee7 y\u1ebfu cung c\u1ea5p nguy\u00ean li\u1ec7u cho ng\u00e0nh ch\u1ebf bi\u1ebfn gi\u1ea5y v\u00e0 v\u00e1n d\u0103m \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn kh\u1ea3 n\u0103ng cung c\u1ea5p g\u1ed7 nguy\u00ean li\u1ec7u cho ng\u00e0nh ch\u1ebf bi\u1ebfn. <\/p>\n

(K\u1ef7 y\u1ebfu H\u1ed9i ngh\u1ecb Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p v\u1edbi ph\u00e1t tri\u1ec3n r\u1eebng b\u1ec1n v\u1eefng v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, trang 248-256)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"

\n\u0110ông Nam B\u1ed9 là m\u1ed9t trong b\u1ea3y vùng kinh t\u1ebf tr\u1ecdng \u0111i\u1ec3m c\u1ee7a c\u1ea3 n\u01b0\u1edbc, v\u1edbi di\u1ec7n tích \u0111\u1ea5t t\u1ef1 nhiên 3,74 tri\u1ec7u ha chi\u1ebfm 10,5% di\u1ec7n tích c\u1ea3 n\u01b0\u1edbc. \u0110ây là vùng có \u01b0u th\u1ebf v\u1ec1 v\u1ecb trí \u0111\u1ecba lý và \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhiên, khí h\u1eadu ôn hoà, \u0111\u1ea5t \u0111ai \u0111a d\u1ea1ng và phân b\u1ed1 thành nh\u1eefng vùng r\u1ed9ng l\u1edbn thích h\u1ee3p cho phát tri\u1ec3n vùng nguyên li\u1ec7u cho công nghi\u1ec7p. T\u1ed5ng di\u1ec7n tích r\u1eebng hi\u1ec7n có kho\u1ea3ng 960 ngàn ha, chi\u1ebfm 27,7% di\u1ec7n tích \u0111\u1ea5t t\u1ef1 nhiên c\u1ee7a khu v\u1ef1c trong \u0111ó r\u1eebng t\u1ef1 nhiên g\u1ea7n 850 ngàn ha.<\/span><\/font><\/p>\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\/9606"}],"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=9606"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9606\/revisions"}],"predecessor-version":[{"id":11060,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9606\/revisions\/11060"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}