{"id":9816,"date":"2021-11-21T18:30:22","date_gmt":"2021-11-21T11:30:22","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=9816"},"modified":"2021-11-21T18:36:12","modified_gmt":"2021-11-21T11:36:12","slug":"tai-sao-cay-day-lai-co-san-luong-cao-khi-trong-o-phia-bac","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-cay-day-lai-co-san-luong-cao-khi-trong-o-phia-bac\/","title":{"rendered":"T\u1ea1i sao c\u00e2y \u0111ay l\u1ea1i c\u00f3 s\u1ea3n l\u01b0\u1ee3ng cao khi tr\u1ed3ng \u1edf ph\u00eda B\u1eafc?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">C\u00e2y \u0111ay th\u00e2n cao 2 &#8211; 5 m, c\u00f3 b\u1ed9 ph\u1eadn nh\u1eabn b\u00ec ph\u00e1t tri\u1ec3n, c\u00f3 th\u1ec3 \u0111an l\u00e0m t\u00fai \u0111ay. C\u00e2y \u0111ay v\u1ed1n sinh tr\u01b0\u1edfng \u1edf v\u00f9ng nhi\u1ec7t \u0111\u1edbi v\u00e0 \u00e1 nhi\u1ec7t \u0111\u1edbi c\u1ee7a \u0110\u00f4ng Nam \u00c1, c\u00e2y \u0111ay \u1edf Pakistan l\u00e0 n\u1ed5i ti\u1ebfng nh\u1ea5t. \u1ede ph\u00eda Nam Trung Qu\u1ed1c c\u0169ng c\u00f3. Ng\u01b0\u1eddi tr\u1ed3ng \u0111ay \u0111\u00f2i h\u1ecfi c\u00e2y \u0111ay s\u1ee3i nhi\u1ec1u, n\u1ebfu m\u1ecdc cao, \u0111\u1ed9 d\u00e0i c\u1ee7a th\u00e2n t\u0103ng, v\u1eady s\u1ebd t\u0103ng s\u1ea3n l\u01b0\u1ee3ng s\u1ee3i. Sau n\u00e0y, con ng\u01b0\u1eddi ph\u00e1t hi\u1ec7n ra m\u1ed9t quy lu\u1eadt, chuy\u1ec3n c\u00e2y \u0111ay sang tr\u1ed3ng \u1edf v\u00f9ng \u00f4n \u0111\u1edbi, th\u00e2n c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 m\u1ecdc cao h\u01a1n, h\u01a1n n\u1eefa s\u1ebd kh\u00f4ng n\u1edf hoa. \u0110i\u1ec1u n\u00e0y c\u00f3 l\u1ee3i cho vi\u1ec7c t\u0103ng s\u1ea3n l\u01b0\u1ee3ng s\u1ee3i \u0111ay. T\u1ea1i sao c\u00e2y \u0111ay chuy\u1ec3n sang ph\u00eda B\u1eafc kh\u00f4ng ra hoa m\u00e0 ch\u1ec9 cao th\u00e2n. C\u00e2y \u0111ay v\u1ed1n l\u00e0 th\u1ef1c v\u1eadt nhi\u1ec7t \u0111\u1edbi, do k\u1ebft qu\u1ea3 th\u00edch \u1ee9ng l\u00e2u d\u00e0i, n\u00f3 quen v\u1edbi cu\u1ed9c s\u1ed1ng c\u00f3 s\u1ed1 ng\u00e0y chi\u1ebfu s\u00e1ng ng\u1eafn, t\u1ee9c l\u00e0 m\u1ed7i ng\u00e0y th\u1eddi gian M\u1eb7t Tr\u1eddi chi\u1ebfu s\u00e1ng kh\u00f4ng qu\u00e1 12 gi\u1edd, n\u00f3 c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh m\u1ed9t c\u00e1ch thu\u1eadn l\u1ee3i c\u00e1c giai \u0111o\u1ea1n ph\u00e1t d\u1ee5c, k\u1ebft qu\u1ea3 ra hoa. N\u1ebfu th\u1eddi gian chi\u1ebfu s\u00e1ng qu\u00e1 12 gi\u1edd, s\u1ebd l\u1edbn m\u1ea1nh m\u00e0 kh\u00f4ng ra hoa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eady v\u00f9ng \u00f4n \u0111\u1eddi ph\u00eda B\u1eafc tr\u1ed3ng \u0111ay t\u1ed1t hay kh\u00f4ng?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Con ng\u01b0\u1eddi c\u0103n c\u1ee9 v\u00e0o \u0111\u1eb7c t\u00ednh sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y \u0111ay, m\u1ea1nh d\u1ea1n chuy\u1ec3n n\u00f3 sang ph\u00eda B\u1eafc, tr\u1ed3ng \u1edf n\u01a1i cao h\u01a1n v\u0129 \u0111\u1ed9 c\u1ee7a Pakistan. \u1ede Trung Qu\u1ed1c, v\u00f9ng n\u00fai H\u1ed3 Nam, H\u1ed3 B\u1eafc, th\u1eadm ch\u00ed c\u1ea3 S\u01a1n \u0110\u00f4ng c\u0169ng c\u00f3 c\u00e2y \u0111ay. Qu\u1ea3 nhi\u00ean, c\u00e2y \u0111ay \u1edf nh\u1eefng v\u00f9ng n\u00e0y, trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi gian chi\u1ebfu s\u00e1ng h\u01a1n 12 gi\u1edd th\u00ec ch\u1ec9 m\u1ecdc th\u00e2n, l\u00e1 m\u00e0 kh\u00f4ng ra hoa, k\u1ebft qu\u1ea3, s\u1ea3n l\u01b0\u1ee3ng t\u0103ng cao. Th\u00f4ng qua th\u1ef1c ti\u1ec5n, c\u00e2y \u0111ay chuy\u1ec3n sang ph\u00eda B\u1eafc c\u00f3 th\u1ec3 t\u0103ng s\u1ea3n \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2y \u0111ay chuy\u1ec3n sang ph\u00eda B\u1eafc t\u0103ng s\u1ea3n khi\u1ebfn cho ng\u01b0\u1eddi tr\u1ed3ng \u0111ay c\u1ea3m th\u1ea5y ph\u1ea5n kh\u1edfi. Nh\u01b0ng c\u0169ng mang l\u1ea1i m\u1ed9t v\u1ea5n \u0111\u1ec1, n\u00f3 kh\u00f4ng ra hoa k\u1ebft qu\u1ea3, sau khi tr\u1ed3ng m\u1ed9t n\u0103m s\u1ebd kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 sinh s\u00f4i ti\u1ebfp, n\u0103m t\u1edbi l\u1ea1i ph\u1ea3i t\u00ecm nh\u1eefng c\u00e2y \u0111ay t\u1eeb v\u00f9ng nhi\u1ec7t \u0111\u1edbi ph\u00eda Nam, nh\u01b0 v\u1eady kh\u00f4ng ch\u1ec9 hao ph\u00ed nh\u00e2n l\u1ef1c, t\u00e0i l\u1ef1c m\u00e0 c\u0169ng kh\u00f4ng c\u00f3 l\u1ee3i. Th\u1ebf l\u00e0 con ng\u01b0\u1eddi l\u1ea1i ti\u1ebfp t\u1ee5c t\u00ecm t\u00f2i, n\u1ebfu d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p nh\u00e2n t\u1ea1o khi\u1ebfn cho c\u00e2y \u0111ay \u1edf ph\u00eda B\u1eafc c\u00f3 s\u1ed1 th\u1eddi gian chi\u1ebfu n\u1eafng ng\u1eafn (m\u1ed7i ng\u00e0y d\u01b0\u1edbi 12 gi\u1edd) c\u00f3 \u0111\u01b0\u1ee3c kh\u00f4ng? Qua th\u00ed nghi\u1ec7m ch\u1ee9ng minh, ch\u1ec9 c\u1ea7n ch\u1ecdn m\u1ed9t m\u1ea3nh \u0111\u1ea5t tr\u1ed3ng gi\u1ed1ng, d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p nh\u00e2n t\u1ea1o che s\u00e1ng, \u0111\u1ec3 ch\u00fang m\u1ed7i ng\u00e0y \u0111\u01b0\u1ee3c chi\u1ebfu n\u1eafng kh\u00f4ng qu\u00e1 12 gi\u1edd, c\u00e2y \u0111ay \u1edf m\u1ea3nh \u0111\u1ea5t n\u00e0y c\u00f3 th\u1ec3 ra hoa k\u1ebft qu\u1ea3. V\u1ea5n \u0111\u1ec1 gi\u1eef gi\u1ed1ng c\u00e2y \u0111ay \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e2y \u0111ay th\u00e2n cao 2 &#8211; 5 m, c\u00f3 b\u1ed9 ph\u1eadn nh\u1eabn b\u00ec ph\u00e1t tri\u1ec3n, c\u00f3 th\u1ec3 \u0111an l\u00e0m t\u00fai \u0111ay. C\u00e2y \u0111ay v\u1ed1n sinh tr\u01b0\u1edfng \u1edf v\u00f9ng nhi\u1ec7t \u0111\u1edbi v\u00e0 \u00e1 nhi\u1ec7t \u0111\u1edbi c\u1ee7a \u0110\u00f4ng Nam \u00c1, c\u00e2y \u0111ay \u1edf Pakistan l\u00e0 n\u1ed5i ti\u1ebfng nh\u1ea5t. \u1ede ph\u00eda Nam Trung Qu\u1ed1c c\u0169ng c\u00f3. Ng\u01b0\u1eddi tr\u1ed3ng [&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-9816","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\/9816","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=9816"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9816\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}