C\u00e1c c\u1ea7u b\u1eafc qua s\u00f4ng \u0111\u01b0\u1ee3c ch\u1ed1ng \u0111\u1ee1 b\u1eb1ng tr\u1ee5 c\u1ea7u, chi\u1ec1u d\u00e0i c\u1ee7a g\u1ea7m c\u1ea7u gi\u1eefa c\u00e1c tr\u1ee5 c\u1ea7u g\u1ecdi l\u00e0 “kh\u1ea9u \u0111\u1ed9” c\u1ee7a c\u1ea7u. R\u00f5 r\u00e0ng l\u00e0, kh\u1ea9u \u0111\u1ed9 c\u00e0ng l\u1edbn, th\u00ec m\u1eb7t c\u1ea7u ch\u1ecbu t\u1ea3i c\u00e0ng nhi\u1ec1u, “c\u01b0\u1eddng \u0111\u1ed9” c\u1ea7n thi\u1ebft cho c\u1ea7u c\u0169ng c\u00e0ng cao. C\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a c\u1ea7u ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u l\u00e0m c\u1ea7u v\u00e0 ki\u1ec3u d\u00e1ng c\u1ea5u th\u00e0nh v\u1eadt li\u1ec7u, tuy nhi\u00ean d\u00f9 l\u00e0 v\u1eadt li\u1ec7u g\u00ec ho\u1eb7c ki\u1ec3u d\u00e1ng n\u00e0o, th\u00ec c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a c\u1ea7u \u0111\u1ec1u c\u00f3 m\u1ed9t gi\u1edbi h\u1ea1n nh\u1ea5t \u0111\u1ecbnh, \u0111i\u1ec1u \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh kh\u1ea9u \u0111\u1ed9 l\u1edbn nh\u1ea5t c\u1ee7a c\u1ea7u. N\u1ebfu chi\u1ec1u r\u1ed9ng c\u1ee7a d\u00f2ng s\u00f4ng \u1edf d\u01b0\u1edbi c\u1ea7u v\u01b0\u1ee3t qu\u00e1 kh\u1ea9u \u0111\u1ed9 l\u1edbn nh\u1ea5t \u0111\u00f3, c\u0169ng c\u00f3 ngh\u0129a l\u00e0 v\u01b0\u1ee3t qu\u00e1 chi\u1ec1u d\u00e0i l\u1edbn nh\u1ea5t c\u1ee7a m\u1ed9t g\u1ea7m c\u1ea7u, th\u00ec c\u00e2y c\u1ea7u \u0111\u00f3 ph\u1ea3i c\u00f3 m\u1ea5y g\u1ea7m c\u1ea7u.<\/p>\n\n\n\n
\u0110\u1ed3ng th\u1eddi, c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a tr\u1ee5 c\u1ea7u c\u0169ng l\u00e0 m\u1ed9t nh\u00e2n t\u1ed1 quy\u1ebft \u0111\u1ecbnh kh\u1ea9u \u0111\u1ed9 l\u1edbn nh\u1ea5t c\u1ee7a c\u1ea7u, v\u00ec ph\u1ee5 t\u1ea3i \u1edf tr\u00ean c\u1ea7u t\u0103ng l\u00ean \u0111i \u0111\u00f4i v\u1edbi s\u1ef1 t\u0103ng l\u00ean c\u1ee7a kh\u1ea9u \u0111\u1ed9, m\u00e0 ph\u1ee5 t\u1ea3i t\u0103ng l\u00ean \u0111\u00f3 l\u1ea1i do tr\u1ee5 c\u1ea7u g\u00e1nh ch\u1ecbu, \u0111i\u1ec1u \u0111\u00f3 \u0111\u00f2i h\u1ecfi c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a tr\u1ee5 c\u1ea7u c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u v\u00e0 ki\u1ec3u d\u00e1ng c\u1ee7a n\u00f3, nh\u01b0ng n\u00f3 kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n \u0111\u1ed9 b\u1ec1n nh\u01b0 c\u1ea7u, v\u00ec tr\u1ee5 c\u1ea7u x\u00e2y tr\u00ean n\u1ec1n \u0111\u1ea5t \u0111\u00e1, c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 t\u0103ng l\u00ean b\u1eb1ng c\u00e1ch t\u0103ng chi\u1ec1u r\u1ed9ng (nh\u01b0 tr\u1ee5 h\u00ecnh ch\u1eef nh\u1eadt ch\u1eb3ng h\u1ea1n).<\/p>\n\n\n\n
R\u00f5 r\u00e0ng l\u00e0 nh\u1eefng c\u00e2y c\u1ea7u b\u1eafc qua c\u00f9ng m\u1ed9t d\u00f2ng s\u00f4ng nh\u01b0 nhau, n\u1ebfu g\u1ea7m c\u1ea7u \u00edt, th\u00ec kh\u1ea9u \u0111\u1ed9 c\u1ee7a c\u1ea7u l\u1edbn, s\u1ed1 tr\u1ee5 c\u1ea7u s\u1ebd \u00edt, n\u1ebfu g\u1ea7m c\u1ea7u nhi\u1ec1u, th\u00ec kh\u1ea9u \u0111\u1ed9 c\u1ee7a c\u1ea7u s\u1ebd nh\u1ecf v\u00e0 s\u1ed1 tr\u1ee5 c\u1ea7u s\u1ebd nhi\u1ec1u. N\u00f3i chung, gi\u00e1 th\u00e0nh c\u1ee7a c\u1ea7u t\u0103ng l\u00ean theo t\u1ef7 l\u1ec7 b\u00ecnh ph\u01b0\u01a1ng c\u1ee7a kh\u1ea9u \u0111\u1ed9, c\u00f2n gi\u00e1 th\u00e0nh c\u1ee7a tr\u1ee5 c\u1ea7u l\u1ea1i t\u0103ng l\u00ean theo s\u1ed1 l\u01b0\u1ee3ng tr\u1ee5 c\u1ea7u v\u00e0 th\u1ec3 t\u00edch c\u1ee7a m\u1ed7i tr\u1ee5 c\u1ea7u. Do \u0111\u00f3, s\u1ed1 l\u01b0\u1ee3ng g\u1ea7m c\u1ea7u h\u1ee3p l\u00fd nh\u1ea5t c\u1ee7a m\u1ed9t c\u00e2y c\u1ea7u, l\u00e0 l\u00e0m sao cho gi\u00e1 th\u00e0nh c\u1ee7a c\u1ea3 c\u00e2y c\u1ea7u b\u1eb1ng gi\u00e1 th\u00e0nh c\u1ee7a to\u00e0n b\u1ed9 c\u00e1c tr\u1ee5 c\u1ea7u.<\/p>\n\n\n\n
C\u00f2n c\u00f3 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t n\u1eefa, n\u00f3 l\u00e0 m\u1ea5u ch\u1ed1t \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh c\u00f3 bao nhi\u00eau g\u1ea7m c\u1ea7u, \u0111\u00f3 l\u00e0 tr\u00ean nh\u1eefng d\u00f2ng s\u00f4ng n\u01b0\u1edbc ch\u1ea3y xi\u1ebft, s\u1ed1 l\u01b0\u1ee3ng tr\u1ee5 c\u1ea7u c\u00e0ng \u00edt c\u00e0ng t\u1ed1t.<\/p>\n\n\n\n
Ngo\u00e0i ra, s\u1ed1 l\u01b0\u1ee3ng g\u1ea7m c\u1ea7u nhi\u1ec1u hay \u00edt c\u0169ng li\u00ean quan \u0111\u1ebfn v\u1ebb \u0111\u1eb9p c\u1ee7a c\u00e2y c\u1ea7u. B\u1edfi v\u00ec s\u1ed1 g\u1ea7m c\u1ea7u nhi\u1ec1u hay \u00edt ph\u1ee5 thu\u1ed9c v\u00e0o ki\u1ec3u d\u00e1ng c\u1ee7a c\u1ea3 c\u00e2y c\u1ea7u, m\u00e0 ki\u1ec3u d\u00e1ng c\u00e2y c\u1ea7u l\u1ea1i ph\u1ea3i ph\u1ed1i h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng chung quanh c\u1ea7u.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: C\u1ea7u; G\u1ea7m c\u1ea7u; Tr\u1ee5 c\u1ea7u.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1c c\u1ea7u b\u1eafc qua s\u00f4ng \u0111\u01b0\u1ee3c ch\u1ed1ng \u0111\u1ee1 b\u1eb1ng tr\u1ee5 c\u1ea7u, chi\u1ec1u d\u00e0i c\u1ee7a g\u1ea7m c\u1ea7u gi\u1eefa c\u00e1c tr\u1ee5 c\u1ea7u g\u1ecdi l\u00e0 “kh\u1ea9u \u0111\u1ed9” c\u1ee7a c\u1ea7u. R\u00f5 r\u00e0ng l\u00e0, kh\u1ea9u \u0111\u1ed9 c\u00e0ng l\u1edbn, th\u00ec m\u1eb7t c\u1ea7u ch\u1ecbu t\u1ea3i c\u00e0ng nhi\u1ec1u, “c\u01b0\u1eddng \u0111\u1ed9” c\u1ea7n thi\u1ebft cho c\u1ea7u c\u0169ng c\u00e0ng cao. C\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a c\u1ea7u ph\u1ee5 thu\u1ed9c […]<\/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":[15,16],"tags":[],"class_list":["post-9123","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9123","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=9123"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9123\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}