\u1ede v\u00f9ng T\u00e2n C\u01b0\u01a1ng c\u00f3 m\u1ed9t con s\u00f4ng n\u1ed9i \u0111\u1ecba l\u1edbn nh\u1ea5t n\u01b0\u1edbc t\u00ean l\u00e0 s\u00f4ng Th\u00e1p L\u00ed M\u1ee5c, hai b\u00ean d\u00f2ng s\u00f4ng ph\u1ea7n l\u1edbn l\u00e0 hoang vu, th\u1ef1c v\u1eadt hi\u1ebfm hoi, c\u00e2y c\u1ef1c \u00edt, c\u00e2y h\u1ed3 d\u01b0\u01a1ng l\u00e0 c\u00e2y g\u1ed7 l\u1edbn duy nh\u1ea5t s\u1ed1ng \u0111\u01b0\u1ee3c \u1edf \u0111\u00f3.<\/p>\n\n\n\n
H\u1ed3 d\u01b0\u01a1ng l\u00e0 m\u1ed9t lo\u00e0i d\u01b0\u01a1ng li\u1ec5u, c\u00f2n g\u1ecdi l\u00e0 d\u1ecb di\u1ec7p d\u01b0\u01a1ng, tr\u00ean c\u00f9ng m\u1ed9t th\u00e2n c\u00e2y c\u00f3 th\u1ec3 ra hai lo\u1ea1i l\u00e1 c\u00f3 h\u00ecnh d\u1ea1ng kh\u00e1c nhau. M\u1ed9t lo\u1ea1i l\u00e1 r\u1ed9ng b\u1ea3n nh\u01b0 l\u00e1 c\u00e2y d\u01b0\u01a1ng; m\u1ed9t lo\u1ea1i l\u00e1 h\u1eb9p nh\u01b0 l\u00e1 c\u00e2y li\u1ec5u. \u0110i\u1ec1u th\u00fa v\u1ecb l\u00e0 ngo\u00e0i hai lo\u1ea1i k\u1ec3 tr\u00ean c\u00f2n c\u00f3 m\u1ed9t lo\u1ea1i l\u00e1 \u1edf ranh gi\u1edbi gi\u1eefa hai lo\u1ea1i tr\u00ean t\u1ee9c l\u00e0 v\u1eeba gi\u1ed1ng l\u00e1 c\u00e2y d\u01b0\u01a1ng v\u1eeba gi\u1ed1ng l\u00e1 c\u00e2y li\u1ec5u. H\u00ecnh d\u00e1ng k\u00ec l\u1ea1 c\u1ee7a l\u00e1 c\u00e2y h\u1ed3 d\u01b0\u01a1ng r\u1ea5t hi\u1ebfm g\u1eb7p.<\/p>\n\n\n\n
Ng\u01b0\u1eddi ta c\u00f2n n\u00f3i, s\u1ef1 k\u00ec l\u1ea1 c\u1ee7a c\u00e2y h\u1ed3 d\u01b0\u01a1ng c\u00f2n kh\u00f4ng ph\u1ea3i l\u00e0 l\u00e1, m\u00e0 l\u00e0 s\u1ee9c s\u1ed1ng c\u1ef1c k\u00ec ngoan c\u01b0\u1eddng c\u1ee7a n\u00f3. N\u00f3 kh\u00f4ng s\u1ee3 sa m\u1ea1c, s\u1ee9c ch\u1ed1ng h\u1ea1n m\u1ea1nh, m\u1ed9t s\u1ed1 r\u1ec5 c\u00e2y gi\u00e0 c\u00f3 th\u1ec3 v\u01b0\u01a1n xa m\u1ea5y ch\u1ee5c m\u00e9t, tr\u00ean m\u1ed7i chi\u1ebfc r\u1ec5 \u0111\u1ec1u c\u00f3 th\u1ec3 n\u1ea3y m\u1ea7m l\u1edbn th\u00e0nh c\u00e2y con m\u1edbi, c\u00e0nh l\u00e1 \u0111an chen kh\u00f3 g\u1ee1, c\u00f3 th\u1ec3 \u201ctr\u1ee3 gi\u00fap\u201d ch\u1ed1ng \u0111\u1ea5t c\u00e1t c\u1ee9ng. Ch\u00ednh v\u00ec v\u1eady c\u00e2y h\u1ed3 d\u01b0\u01a1ng l\u00e0 m\u1ed9t lo\u1ea1i c\u00e2y t\u1ed1t ng\u0103n c\u1ea3n sa m\u1ea1c m\u1edf r\u1ed9ng. H\u1ea1t gi\u1ed1ng c\u1ee7a c\u00e2y h\u1ed3 d\u01b0\u01a1ng c\u0169ng c\u00f3 th\u1ec3 n\u1ea3y m\u1ea7m sinh s\u00f4i, h\u1ea1t c\u00f3 c\u00e1nh, nh\u1edd s\u1ee9c gi\u00f3 bay \u0111i b\u1ed1n b\u1ec1. N\u1ebfu h\u1ea1t r\u01a1i xu\u1ed1ng h\u1ed3 s\u1ebd c\u00f9ng d\u00f2ng n\u01b0\u1edbc tr\u00f4i theo t\u1edbi nh\u1eefng n\u01a1i xa sinh s\u1ed1ng. Khi n\u00f3 d\u1ea1t v\u00e0o ven b\u1edd, \u0111\u01b0\u1ee3c \u0111\u1ea5t b\u1ed3i \u0111\u1eafp, trong 2 – 3 ng\u00e0y l\u00e0 n\u1ea3y m\u1ea7m, ra r\u1ec5, cu\u1ed1i c\u00f9ng m\u1ed9t c\u00e2y con m\u1edbi ra \u0111\u1eddi. Trong lo\u1ea1i c\u00e2y d\u01b0\u01a1ng n\u00f3 l\u00e0 \u0111\u1ed9c nh\u1ea5t v\u00f4 nh\u1ecb.<\/p>\n\n\n\n
C\u00f3 l\u1ebd b\u1ea1n s\u1ebd c\u1ea3m th\u1ea5y k\u00ec l\u1ea1: v\u00f9ng \u0111\u1ea5t hoang vu, gi\u00f3 c\u00e1t m\u1ea1nh, n\u01b0\u1edbc \u00edt, h\u1ed3 d\u01b0\u01a1ng l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ed1ng kh\u00f4 h\u1ea1n v\u00e0 l\u1edbn th\u00e0nh c\u00e2y? C\u00e1c nh\u00e0 khoa h\u1ecdc nghi\u00ean c\u1ee9u, c\u00e2y h\u1ed3 d\u01b0\u01a1ng kh\u00f4ng ch\u1ec9 c\u00f3 \u0111\u1eb7c t\u00ednh k\u1ec3 tr\u00ean m\u00e0 c\u00f2n c\u00f3 m\u1ed9t b\u1ea3n l\u0129nh \u0111\u00f3 l\u00e0 khi c\u00f3 n\u01b0\u1edbc s\u1ebd c\u1ed1 g\u1eafng t\u1eadn d\u1ee5ng t\u00edch tr\u1eef n\u01b0\u1edbc \u0111\u1ec3 chu\u1ea9n b\u1ecb d\u00f9ng khi kh\u00f4 h\u1ea1n. N\u1ebfu tr\u00ean th\u00e2n c\u00e2y h\u1ed3 d\u01b0\u01a1ng kho\u00e9t ngang m\u1ed9t l\u1ed7 th\u1ee7ng, th\u01b0\u1eddng t\u1eeb l\u1ed7 \u0111\u00f3 s\u1ebd b\u1eafn ra m\u1ed9t tia n\u01b0\u1edbc nh\u01b0 m\u1edf v\u00f2i n\u01b0\u1edbc, tia n\u01b0\u1edbc c\u00f3 th\u1ec3 b\u1eafn ngang xa h\u01a1n 1 m. C\u00f3 ng\u01b0\u1eddi \u0111\u00e3 t\u00ednh, cho d\u00f9 l\u01b0\u1ee3ng n\u01b0\u1edbc m\u01b0a h\u00e0ng n\u0103m gi\u1ea3m \u0111\u1ebfn 100 – 200 mm n\u00f3 v\u1eabn c\u00f3 th\u1ec3 s\u1ed1ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
C\u00e2y h\u1ed3 d\u01b0\u01a1ng c\u00f2n c\u00f3 m\u1ed9t \u201ctuy\u1ec7t k\u0129\u201d, l\u00e0 kh\u00f4ng s\u1ee3 nguy h\u1ea1i c\u1ee7a \u0111\u1ea5t ph\u00e8n. B\u1ea1n nh\u00ecn k\u0129 th\u00e2n c\u00e2y h\u1ed3 d\u01b0\u01a1ng gi\u00e0. T\u1ea1i m\u1ed9t v\u00e0i n\u01a1i nh\u1ea5p nh\u00f4, c\u00f3 th\u1ec3 th\u1ea5y ch\u1ea5t ki\u1ec1m tr\u1eafng, \u0111\u00e2y ch\u00ednh l\u00e0 ki\u1ec1m h\u1ed3 d\u01b0\u01a1ng. H\u00f3a ra h\u1ed3 d\u01b0\u01a1ng sinh tr\u01b0\u1edfng \u1edf nh\u1eefng v\u00f9ng c\u00f3 \u0111\u1ea5t ph\u00e8n n\u00ean kh\u00f4ng tr\u00e1nh n\u1ed5i vi\u1ec7c h\u1ea5p th\u1ee5 l\u01b0\u1ee3ng ph\u00e8n qu\u00e1 nhi\u1ec1u, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 qua th\u00e2n v\u00e0 l\u00e1 c\u00e2y b\u00e0i ti\u1ebft l\u01b0\u1ee3ng ph\u00e8n th\u1eeba ra ngo\u00e0i, tr\u00e1nh b\u1ecb h\u1ea1i. C\u00f3 khi l\u01b0\u1ee3ng ph\u00e8n b\u00e0i ti\u1ebft ra ngo\u00e0i nhi\u1ec1u c\u00f2n nh\u1ecf gi\u1ecdt xu\u1ed1ng, \u0111\u00f3 ch\u00ednh l\u00e0 \u201cn\u01b0\u1edbc m\u1eaft h\u1ed3 d\u01b0\u01a1ng\u201d m\u00e0 ng\u01b0\u1eddi ta th\u01b0\u1eddng n\u00f3i t\u1edbi.<\/p>\n\n\n\n
C\u00e2y h\u1ed3 d\u01b0\u01a1ng sinh s\u1ed1ng \u1edf v\u00f9ng hoang vu c\u00f2n g\u1eb7p m\u1ed9t s\u1ef1 \u0111e d\u1ecda n\u1eefa l\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 l\u1edbn \u1edf v\u00f9ng sa m\u1ea1c, ban ng\u00e0y khi M\u1eb7t Tr\u1eddi chi\u1ebfu th\u1eb3ng, nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi h\u01a1n 41 oC, c\u00f2n \u0111\u00eam xu\u1ed1ng th\u00ec nhi\u1ec7t \u0111\u1ed9 l\u1ea1i h\u1ea1 th\u1ea5p xu\u1ed1ng d\u01b0\u1edbi -39 oC. Tuy nhi\u00ean, n\u00f3 \u0111\u00e3 ch\u1ed1ng \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao l\u1ea1i ch\u1ed1ng \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, nh\u01b0 v\u1eady sinh tr\u01b0\u1edfng an to\u00e0n.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u1ede v\u00f9ng T\u00e2n C\u01b0\u01a1ng c\u00f3 m\u1ed9t con s\u00f4ng n\u1ed9i \u0111\u1ecba l\u1edbn nh\u1ea5t n\u01b0\u1edbc t\u00ean l\u00e0 s\u00f4ng Th\u00e1p L\u00ed M\u1ee5c, hai b\u00ean d\u00f2ng s\u00f4ng ph\u1ea7n l\u1edbn l\u00e0 hoang vu, th\u1ef1c v\u1eadt hi\u1ebfm hoi, c\u00e2y c\u1ef1c \u00edt, c\u00e2y h\u1ed3 d\u01b0\u01a1ng l\u00e0 c\u00e2y g\u1ed7 l\u1edbn duy nh\u1ea5t s\u1ed1ng \u0111\u01b0\u1ee3c \u1edf \u0111\u00f3. H\u1ed3 d\u01b0\u01a1ng l\u00e0 m\u1ed9t lo\u00e0i d\u01b0\u01a1ng li\u1ec5u, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,19],"tags":[],"class_list":["post-9722","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tu-nhien"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9722","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9722"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9722\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}