{"id":8984,"date":"2009-04-20T08:12:09","date_gmt":"2009-04-20T01:12:09","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/ket-qua-chuan-doan-dinh-duong-qua-hinh-thai-cua-cay-cho-chi\/"},"modified":"2013-10-06T09:01:01","modified_gmt":"2013-10-06T02:01:01","slug":"ket-qua-chuan-doan-dinh-duong-qua-hinh-thai-cua-cay-cho-chi","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-chuan-doan-dinh-duong-qua-hinh-thai-cua-cay-cho-chi\/","title":{"rendered":"K\u1ebft qu\u1ea3 chu\u1ea9n \u0111o\u00e1n dinh d\u01b0\u1ee1ng qua h\u00ecnh th\u00e1i c\u1ee7a c\u00e2y Ch\u00f2 ch\u1ec9"},"content":{"rendered":"

\u0110o\u00e0n \u0110\u00ecnh Tam<\/strong> <\/p>\n

Trung t\u00e2m Nghi\u00ean c\u1ee9u Sinh th\u00e1i v\u00e0 M\u00f4i tr\u01b0\u1eddng r\u1eebng<\/em> <\/p>\n

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

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

Ch\u1ebf \u0111\u1ed9 dinh d\u01b0\u1ee1ng (N, P, K) \u1edf giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m c\u00f3 \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn t\u1edbi h\u00ecnh th\u00e1i v\u00e0 sinh tr\u01b0\u1edfng, ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y Ch\u00f2 ch\u1ec9. Thi\u1ebfu N l\u00e0m cho c\u00e2y sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n ch\u1eadm, l\u00e1 non kh\u00f4, c\u1ee9ng c\u00f3 m\u00e0u xanh v\u00e0ng t\u1eeb \u0111\u1ec9nh l\u00e1 v\u00e0 t\u1eeb ngo\u00e0i v\u00e0o trong sau \u0111\u00f3 b\u1ecb r\u1ee5ng. Thi\u1ebfu P, l\u00e1 non m\u00e0u xanh v\u00e0ng, c\u1ee9ng, phi\u1ebfn l\u00e1 nh\u0103n, l\u00e1 gi\u00e0 c\u00f3 tri\u1ec7u ch\u1ee9ng xo\u0103n kh\u00f4 t\u1eeb m\u00e9p v\u00e0o trong. M\u1eb7t c\u1ee7a phi\u1ebfn l\u00e1 xu\u1ea5t hi\u1ec7n c\u00e1c \u0111\u1ed1m v\u00e0ng to d\u1ea7n l\u00ean. Thi\u1ebfu K, l\u00e1 b\u1ecb \u00faa v\u00e0ng d\u1ecdc m\u00e9p l\u00e1 v\u00e0o trong, c\u00e1c \u0111\u1ec9nh l\u00e1 gi\u00e0 b\u1ecb x\u00e9m v\u00e0 c\u00f3 m\u00e0u n\u00e2u. <\/p>\n

T\u1eeb kho\u00e1: <\/strong>Ch\u00f2 ch\u1ec9, nhu c\u1ea7u dinh d\u01b0\u1ee1ng, h\u00ecnh th\u00e1i<\/strong> <\/p>\n

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

C\u00e2y Ch\u00f2 ch\u1ec9 (Parashorea chinensis<\/em> Wang Hsie)<\/strong> thu\u1ed9c h\u1ecd D\u1ea7u (Dipterocarpaceae) ng\u00e0nh M\u1ed9c lan ( Mag noliophyta), h\u1ea1t k\u00edn (Angiospermae) l\u00e0 lo\u00e0i c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao thu\u1ed9c ph\u00e2n nh\u00f3m ch\u00ednh nh\u00f3m ba, l\u00e0 lo\u00e0i c\u00e2y g\u1ed7 l\u1edbn, sinh tr\u01b0\u1edfng nhanh, th\u00e2n th\u1eb3ng, ph\u00e2n c\u00e0nh cao.Hi\u1ec7n nay vi\u1ec7c g\u00e2y tr\u1ed3ng v\u00e0 b\u1ea3o t\u1ed3n lo\u00e0i Ch\u00f2 ch\u1ec9 \u0111ang g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n v\u00ec thi\u1ebfu nh\u1eefng c\u01a1 s\u1edf khoa h\u1ecdc c\u1ea7n thi\u1ebft trong \u0111\u00f3 c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 x\u00e1c \u0111\u1ecbnh, chu\u1ea9n \u0111o\u00e1n nhu c\u1ea7u dinh d\u01b0\u1ee1ng c\u1ee7a Ch\u00f2 ch\u1ec9 \u1edf giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m v\u00e0 khi tr\u1ed3ng r\u1eebng v\u00e0 vi\u1ec7c cung c\u1ea5p cho c\u00e2y nh\u1eefng y\u1ebfu t\u1ed1 dinh d\u01b0\u1ee1ng n\u00e0o, li\u1ec1u l\u01b0\u1ee3ng ra sao v\u00e0 t\u00e1c d\u1ee5ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ebfn \u0111\u00e2u l\u00e0 r\u1ea5t c\u00f3 \u00fd ngh\u0129a c\u1ea3 v\u1ec1 m\u1eb7t khoa h\u1ecdc v\u00e0 th\u1ef1c ti\u1ec5n. Ch\u00ednh v\u00ec v\u1eady, vi\u1ec7c nghi\u00ean c\u1ee9u chu\u1ea9n \u0111o\u00e1n nhu c\u1ea7u dinh d\u01b0\u1ee1ng qua h\u00ecnh th\u00e1i c\u1ee7a Ch\u00f2 ch\u1ec9 \u1edf giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m s\u1ebd g\u00f3p ph\u1ea7n gi\u1ea3i quy\u1ebft c\u00e1c kh\u00f3 kh\u0103n \u0111\u00f3 v\u00e0 l\u00e0m c\u01a1 s\u1edf khoa h\u1ecdc cho nh\u1eefng nghi\u00ean c\u1ee9u sau n\u00e0y. <\/p>\n

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

\nCh\u1ebf \u0111\u1ed9 dinh d\u01b0\u1ee1ng (N, P, K) \u1edf giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m có \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn t\u1edbi hình thái và sinh tr\u01b0\u1edfng, phát tri\u1ec3n c\u1ee7a cây Chò ch\u1ec9. Thi\u1ebfu N làm cho cây sinh tr\u01b0\u1edfng và phát tri\u1ec3n ch\u1eadm, lá non khô, c\u1ee9ng có màu xanh vàng t\u1eeb \u0111\u1ec9nh lá và t\u1eeb ngoài vào trong sau \u0111ó b\u1ecb r\u1ee5ng. Thi\u1ebfu P, lá non màu xanh vàng, c\u1ee9ng, phi\u1ebfn lá nh\u0103n, lá già có tri\u1ec7u ch\u1ee9ng xo\u0103n khô t\u1eeb mép vào trong. M\u1eb7t c\u1ee7a phi\u1ebfn lá xu\u1ea5t hi\u1ec7n các \u0111\u1ed1m vàng to d\u1ea7n lên. Thi\u1ebfu K, lá b\u1ecb úa vàng d\u1ecdc mép lá vào trong, các \u0111\u1ec9nh lá già b\u1ecb xém và có màu nâu.<\/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\/8984"}],"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=8984"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8984\/revisions"}],"predecessor-version":[{"id":10440,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8984\/revisions\/10440"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}