{"id":9669,"date":"2021-11-21T17:49:43","date_gmt":"2021-11-21T10:49:43","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=9669"},"modified":"2021-11-21T18:36:23","modified_gmt":"2021-11-21T11:36:23","slug":"tai-sao-cung-mot-loai-cay-o-noi-kho-han-thi-bat-re-sau-con-o-noi-am-uot-thi-bat-re-nong","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-cung-mot-loai-cay-o-noi-kho-han-thi-bat-re-sau-con-o-noi-am-uot-thi-bat-re-nong\/","title":{"rendered":"T\u1ea1i sao c\u00f9ng m\u1ed9t lo\u00e0i c\u00e2y \u1edf n\u01a1i kh\u00f4 h\u1ea1n th\u00ec b\u1eaft r\u1ec5 s\u00e2u, c\u00f2n \u1edf n\u01a1i \u1ea9m \u01b0\u1edbt th\u00ec b\u1eaft r\u1ec5 n\u00f4ng?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Con ng\u01b0\u1eddi kh\u00f4ng u\u1ed1ng n\u01b0\u1edbc s\u1ebd c\u1ea3m th\u1ea5y kh\u00f3 ch\u1ecbu, c\u00e2y c\u0169ng nh\u01b0 v\u1eady, trong qu\u00e1 tr\u00ecnh sinh tr\u01b0\u1edfng c\u1ea7n r\u1ea5t nhi\u1ec1u n\u01b0\u1edbc. C\u00f3 ng\u01b0\u1eddi t\u00ednh m\u1ed9t c\u00e2y ng\u00f4 trong th\u1eddi k\u00ec sinh tr\u01b0\u1edfng c\u1ea7n t\u1ea5t c\u1ea3 200 kg n\u01b0\u1edbc, n\u1ebfu tr\u1ed3ng 3.000 c\u00e2y trong m\u1ed9t th\u1eeda ru\u1ed9ng th\u00ec c\u1ea7n t\u1edbi 600.000 kg n\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c v\u1eadt l\u1ea5y n\u01b0\u1edbc ch\u1ee7 y\u1ebfu nh\u1edd v\u00e0o b\u1ed9 r\u1ec5 h\u1ea5p th\u1ee5 t\u1eeb trong \u0111\u1ea5t, v\u00ec v\u1eady c\u00e2y t\u1eeb khi n\u1ea3y m\u1ea7m cho \u0111\u1ebfn khi sinh tr\u01b0\u1edfng, ph\u00e1t d\u1ee5c v\u00e0 th\u1eadm ch\u00ed \u0111\u1ebfn tr\u01b0\u1edbc khi ch\u1ebft \u0111\u1ec1u ph\u1ea3i t\u1eadn l\u1ef1c l\u1ea5y n\u01b0\u1edbc trong \u0111\u1ea5t. \u0110\u1ec3 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng, n\u01b0\u1edbc nhi\u1ec1u nh\u01b0 v\u1eady th\u1ef1c v\u1eadt ph\u1ea3i c\u1ed1 g\u1eafng m\u1edf r\u1ed9ng b\u1ed9 r\u1ec5 xuy\u00ean s\u00e2u v\u00e0o trong \u0111\u1ea5t, ph\u00e1t tri\u1ec3n r\u1ed9ng kh\u1eafp t\u1ea1o ra m\u1ed9t b\u1ed9 r\u1ec5 kh\u1ed5ng l\u1ed3 d\u00e0y \u0111\u1eb7c, xuy\u00ean s\u00e2u, len l\u1ecfi v\u00e0o t\u1eebng ng\u00f3c ng\u00e1ch, k\u1ebd n\u1ee9t nh\u1ecf trong l\u00f2ng \u0111\u1ea5t \u0111\u1ec3 l\u1ea5y n\u01b0\u1edbc nu\u00f4i s\u1ed1ng m\u00ecnh. Nh\u01b0 v\u1eady, c\u00e2y s\u1ed1ng \u1edf v\u00f9ng kh\u00f4 h\u1ea1n th\u00ec b\u1ed9 r\u1ec5 c\u1ee7a ch\u00fang c\u00e0ng ph\u1ea3i t\u1eadn l\u1ef1c \u0111\u00e2m s\u00e2u h\u01a1n. C\u00f2n v\u00f9ng \u0111\u1ea5t \u1ea9m \u01b0\u1edbt, n\u01b0\u1edbc nhi\u1ec1u, r\u1ec5 kh\u00f4ng c\u1ea7n \u0111\u00e2m s\u00e2u v\u00e0o \u0111\u1ea5t m\u00e0 ch\u1ec9 c\u1ea7n c\u00f3 nh\u1eefng r\u1ec5 nh\u00e1nh r\u1ea5t d\u00e0i ph\u00e2n b\u1ed1 tr\u00ean m\u1eb7t \u0111\u1ea5t l\u00e0 \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lo\u00e0i c\u1ecf linh l\u0103ng s\u1ed1ng tr\u00ean sa m\u1ea1c m\u1eb7c d\u00f9 ph\u1ea7n th\u00e2n tr\u00ean m\u1eb7t \u0111\u1ea5t r\u1ea5t th\u1ea5p, nh\u01b0ng ph\u1ea7n r\u1ec5 c\u00f3 th\u1ec3 d\u00e0i tr\u00ean 7 m, n\u1ebfu \u0111em lo\u00e0i c\u1ecf linh l\u0103ng n\u00e0y tr\u1ed3ng \u1edf v\u00f9ng \u0111\u1ea5t \u1ea9m th\u00ec r\u1ec5 c\u00e1i c\u1ee7a n\u00f3 s\u1ebd d\u00e0i tr\u00ean d\u01b0\u1edbi 1 m. C\u00f2n nh\u01b0 c\u00e2y li\u1ec5u ta v\u1eabn th\u01b0\u1eddng g\u1eb7p x\u01b0a nay \u0111\u1ec1u tr\u1ed3ng \u1edf nh\u1eefng n\u01a1i g\u1ea7n n\u01b0\u1edbc, cho n\u00ean b\u1ed9 r\u1ec5 c\u1ee7a n\u00f3 ph\u00e1t tri\u1ec3n t\u01b0\u01a1ng \u0111\u1ed1i n\u00f4ng, n\u1ebfu \u0111em n\u00f3 chuy\u1ec3n \u0111\u1ebfn v\u00f9ng kh\u00f4 th\u00ec b\u1ed9 r\u1ec5 s\u1ebd thay \u0111\u1ed5i h\u00ecnh d\u00e1ng ban \u0111\u1ea7u, tr\u1edf th\u00e0nh b\u1ed9 r\u1ec5 t\u01b0\u01a1ng \u0111\u1ed1i s\u00e2u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec v\u1eady c\u00f3 th\u1ec3 n\u00f3i s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a r\u1ec5 c\u00e2y tr\u1ed3ng c\u00f3 quan h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi m\u00f4i tr\u01b0\u1eddng chung quanh \u0111\u1ea5t \u0111ai, b\u1ed9 r\u1ec5 \u1edf m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau th\u00ec s\u1ef1 ph\u00e1t tri\u1ec3n c\u0169ng kh\u00e1c nhau. Song r\u1ec5 kh\u00f4ng ch\u1ec9 thay \u0111\u1ed5i theo s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a th\u00e0nh ph\u1ea7n n\u01b0\u1edbc trong \u0111\u1ea5t, m\u00e0 c\u00f2n ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c c\u00f3 trong \u0111\u1ea5t, nh\u01b0 l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed c\u00f3 trong \u0111\u1ea5t l\u00e0 bao nhi\u00eau, h\u00e0m l\u01b0\u1ee3ng ph\u00e2n b\u00f3n nh\u01b0 th\u1ebf n\u00e0o v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111\u1ea5t\u2026 \u0111\u1ec1u c\u00f3 m\u1ed1i li\u00ean h\u1ec7 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3i chung, c\u00f9ng m\u1ed9t lo\u00e0i c\u00e2y sinh tr\u01b0\u1edfng \u1edf v\u00f9ng kh\u00f4 h\u1ea1n th\u00ec r\u1ec5 s\u1ebd \u0111\u00e2m s\u00e2u h\u01a1n sinh tr\u01b0\u1edfng \u1edf v\u00f9ng \u0111\u1ea5t \u1ea9m \u01b0\u1edbt, nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu l\u00e0 do l\u01b0\u1ee3ng n\u01b0\u1edbc nhi\u1ec1u hay \u00edt. \u0110\u00f3 c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng bi\u1ec7n ph\u00e1p t\u00e0i t\u00ecnh kh\u00e9o l\u00e9o c\u1ee7a th\u1ef1c v\u1eadt \u0111\u1ec3 \u0111\u1ea5u tranh v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u00f4 h\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Con ng\u01b0\u1eddi kh\u00f4ng u\u1ed1ng n\u01b0\u1edbc s\u1ebd c\u1ea3m th\u1ea5y kh\u00f3 ch\u1ecbu, c\u00e2y c\u0169ng nh\u01b0 v\u1eady, trong qu\u00e1 tr\u00ecnh sinh tr\u01b0\u1edfng c\u1ea7n r\u1ea5t nhi\u1ec1u n\u01b0\u1edbc. C\u00f3 ng\u01b0\u1eddi t\u00ednh m\u1ed9t c\u00e2y ng\u00f4 trong th\u1eddi k\u00ec sinh tr\u01b0\u1edfng c\u1ea7n t\u1ea5t c\u1ea3 200 kg n\u01b0\u1edbc, n\u1ebfu tr\u1ed3ng 3.000 c\u00e2y trong m\u1ed9t th\u1eeda ru\u1ed9ng th\u00ec c\u1ea7n t\u1edbi 600.000 kg n\u01b0\u1edbc. Th\u1ef1c [&hellip;]<\/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-9669","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\/9669","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=9669"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9669\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}