Ch\u00fang ta th\u01b0\u1eddng th\u1ea5y c\u00f3 m\u1ed9t s\u1ed1 c\u00e2y gi\u00e0 l\u00e2u n\u0103m, m\u1eb7c d\u00f9 th\u00e2n r\u1ed7ng nh\u01b0ng c\u00e0nh l\u00e1 v\u1eabn xanh t\u01b0\u01a1i. Th\u00e2n nh\u1eefng c\u00e2y n\u00e0y b\u1ecb r\u1ed7ng kh\u00f4ng ph\u1ea3i l\u00e0 do c\u1ea5u t\u1ea1o v\u1ed1n c\u00f3 c\u1ee7a n\u00f3, m\u00e0 ch\u1ee7 y\u1ebfu l\u00e0 do t\u00e1c \u0111\u1ed9ng c\u1ee7a ngo\u1ea1i c\u1ea3nh. N\u0103m n\u00e0y qua n\u0103m kh\u00e1c th\u00e2n c\u00e2y s\u1ebd to l\u00ean, l\u00f5i g\u1ed7 c\u00e0ng ng\u00e0y c\u00e0ng kh\u00f3 thu \u0111\u01b0\u1ee3c kh\u00ed oxi v\u00e0 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng kh\u00e1c, n\u00ean d\u1ea7n d\u1ea7n b\u1ecb ch\u1ebft, ru\u1ed9t th\u00e2n c\u0169ng t\u1eeb \u0111\u00f3 b\u1ecb m\u1ea5t t\u00e1c d\u1ee5ng. T\u1ed5 ch\u1ee9c ch\u1ebft n\u00e0y n\u1ebfu thi\u1ebfu c\u00e1c ch\u1ea5t gi\u1eef n\u01b0\u1edbc, ch\u1ea5t ch\u1ed1ng s\u1ef1 m\u1ee5c n\u00e1t, th\u00ec m\u1ed9t khi b\u1ecb vi khu\u1ea9n x\u00e2m nh\u1eadp ho\u1eb7c b\u1ecb th\u1ea5m n\u01b0\u1edbc m\u01b0a t\u1eeb nh\u1eefng v\u1ebft n\u1ee9t \u1edf th\u00e2n c\u00e2y, s\u1ebd d\u1ea7n d\u1ea7n b\u1ecb m\u1ee5c n\u00e1t v\u00e0 th\u00e2n c\u00e2y r\u1ed7ng d\u1ea7n. C\u00f3 m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng \u0111\u1eb7c bi\u1ec7t r\u1ea5t d\u1ec5 b\u1ecb r\u1ed7ng th\u00e2n, nh\u01b0 c\u00e2y li\u1ec5u gi\u00e0 l\u00e0 m\u1ed9t v\u00ed d\u1ee5. V\u1eady c\u00e2y l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 s\u1ed1ng \u0111\u01b0\u1ee3c khi b\u1ecb r\u1ed7ng th\u00e2n?<\/p>\n\n\n\n
V\u00ec th\u00e2n c\u00e2y r\u1ed7ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t b\u1ec7nh nguy hi\u1ec3m \u0111\u1ed1i v\u1edbi th\u1ef1c v\u1eadt. Trong c\u01a1 th\u1ec3 c\u00e2y c\u00f3 hai tuy\u1ebfn v\u1eadn chuy\u1ec3n r\u1ea5t b\u1eadn r\u1ed9n, c\u00e1c ch\u1ea5t c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a s\u1ef1 s\u1ed1ng \u0111\u1ec1u nh\u1edd v\u00e0o tr\u1eadt t\u1ef1 s\u1eafp x\u1ebfp c\u1ee7a ch\u00fang t\u1edbi t\u1eebng ph\u1ea7n c\u1ee7a c\u01a1 th\u1ec3. L\u00f5i g\u1ed7 l\u00e0 tuy\u1ebfn v\u1eadn chuy\u1ec3n t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean, n\u00f3 \u0111\u01b0a n\u01b0\u1edbc v\u00e0 c\u00e1c ch\u1ea5t v\u00f4 c\u01a1 kh\u00e1c t\u1eeb ph\u1ea7n r\u1ec5 \u0111\u00e3 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c t\u1edbi l\u00e1 c\u00e2y; l\u1edbp v\u1ecf dai trong bi\u1ec3u b\u00ec l\u00e0 tuy\u1ebfn v\u1eadn chuy\u1ec3n t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi, \u0111\u01b0a c\u00e1c s\u1ea3n ph\u1ea9m m\u00e0 l\u00e1 t\u1ea1o ra \u0111\u01b0\u1ee3c th\u00e0nh ph\u1ea7n dinh d\u01b0\u1ee1ng h\u1eefu c\u01a1 xu\u1ed1ng cho r\u1ec5 c\u00e2y, hai tuy\u1ebfn n\u00e0y \u0111\u1ec1u l\u00e0 nh\u1eefng tuy\u1ebfn \u0111a \u1ed1ng d\u1eabn. Tr\u00ean m\u1ed9t th\u00e2n c\u00e2y r\u1ea5t kh\u00f3 \u0111\u1ebfm n\u1ed5i s\u1ed1 l\u01b0\u1ee3ng c\u00e1c \u1ed1ng d\u1eabn n\u00e0y, cho n\u00ean ch\u1ec9 c\u1ea7n kh\u00f4ng ph\u1ea3i l\u00e0 to\u00e0n b\u1ed9 hai tuy\u1ebfn n\u00e0y b\u1ecb h\u1ecfng th\u00ec s\u1ef1 v\u1eadn chuy\u1ec3n v\u1eabn b\u00ecnh th\u01b0\u1eddng. Th\u00e2n c\u00e2y m\u1eb7c d\u00f9 b\u1ecb r\u1ed7ng, nh\u01b0ng \u0111\u00f3 ch\u1ec9 l\u00e0 ph\u1ea7n g\u1ed7 gi\u1eefa l\u00f5i th\u00e2n c\u00e2y m\u00e0 th\u00f4i, c\u00f2n ph\u1ea7n g\u1ed7 \u1edf b\u00ean ngo\u00e0i th\u00ec v\u1eabn t\u1ed1t, qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n kh\u00f4ng b\u1ecb c\u1eaft \u0111\u1ee9t, n\u00ean c\u00e2y gi\u00e0 l\u00e2u n\u0103m m\u1eb7c d\u00f9 b\u1ecb r\u1ed7ng l\u00f5i nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 sinh tr\u01b0\u1edfng ph\u00e1t d\u1ee5c. \u1ede t\u1ec9nh S\u01a1n \u0110\u00f4ng – Trung Qu\u1ed1c c\u00f3 m\u1ed9t c\u00e2y t\u00e1o t\u00e0u gi\u00e0 c\u1ea3 tr\u0103m n\u0103m tu\u1ed5i, th\u00e2n n\u00f3 r\u1ed7ng c\u00f3 th\u1ec3 ch\u1ee9a m\u1ed9t ng\u01b0\u1eddi khi mu\u1ed1n tr\u00fa m\u01b0a v\u00e0 h\u00e0ng n\u0103m v\u1eabn ra qu\u1ea3 \u0111\u1ec1u.<\/p>\n\n\n\n
Tuy nhi\u00ean n\u1ebfu b\u1ea1n b\u00f3c to\u00e0n b\u1ed9 l\u1edbp v\u1ecf c\u00e2y c\u1ee7a c\u00e2y gi\u00e0 r\u1ed7ng \u0111i th\u00ec v\u1ea5n \u0111\u1ec1 l\u1ea1i tr\u1edf n\u00ean nghi\u00eam tr\u1ecdng: c\u00e2y nhanh ch\u00f3ng b\u1ecb ch\u1ebft, do to\u00e0n b\u1ed9 con \u0111\u01b0\u1eddng cung c\u1ea5p ch\u1ea5t dinh d\u01b0\u1ee1ng v\u00e0 n\u01b0\u1edbc \u0111\u1ec1u b\u1ecb \u0111\u1ee9t \u0111o\u1ea1n, ph\u1ea7n r\u1ec5 kh\u00f4ng \u0111\u01b0\u1ee3c cung c\u1ea5p ch\u1ea5t dinh d\u01b0\u1ee1ng n\u1eefa s\u1ebd b\u1ecb \u201cch\u1ebft \u0111\u00f3i\u201d, m\u1ed9t khi r\u1ec5 b\u1ecb ch\u1ebft th\u00ec l\u00e1 c\u00e0nh c\u0169ng kh\u00f4ng c\u00f3 \u0111\u01b0\u1ee3c n\u01b0\u1edbc v\u00e0 d\u1ec5 d\u00e0ng b\u1ecb kh\u00f4 h\u00e9o m\u00e0 ch\u1ebft. C\u00f3 m\u1ed9t v\u1ecb thu\u1ed1c \u0110\u00f4ng y th\u01b0\u1eddng d\u00f9ng g\u1ecdi l\u00e0 \u0111\u1ed7 tr\u1ecdng, d\u00f9ng l\u00e1 v\u00e0 v\u1ecf c\u00e2y l\u00e0m thu\u1ed1c, n\u1ebfu b\u1ea1n mu\u1ed1n l\u1ea5y \u0111\u01b0\u1ee3c nhi\u1ec1u thu\u1ed1c, l\u1ea1i \u0111em b\u00f3c h\u1ebft l\u1edbp v\u1ecf c\u00e2y \u0111i, th\u00ec k\u1ebft qu\u1ea3 l\u00e0 l\u1ea5y \u0111\u01b0\u1ee3c v\u1ecf m\u00e0 c\u00e2y \u0111\u00e3 ch\u1ebft, nh\u01b0 chuy\u1ec7n ng\u1ed1c ngh\u1ebfch \u201cgi\u1ebft g\u00e0 l\u1ea5y tr\u1ee9ng\u201d v\u1eady. \u201cC\u00e2y s\u1ee3 b\u00f3c v\u1ecf\u201d, c\u00e2u t\u1ee5c ng\u1eef \u1ea5y kh\u00f4ng sai ch\u00fat n\u00e0o.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ch\u00fang ta th\u01b0\u1eddng th\u1ea5y c\u00f3 m\u1ed9t s\u1ed1 c\u00e2y gi\u00e0 l\u00e2u n\u0103m, m\u1eb7c d\u00f9 th\u00e2n r\u1ed7ng nh\u01b0ng c\u00e0nh l\u00e1 v\u1eabn xanh t\u01b0\u01a1i. Th\u00e2n nh\u1eefng c\u00e2y n\u00e0y b\u1ecb r\u1ed7ng kh\u00f4ng ph\u1ea3i l\u00e0 do c\u1ea5u t\u1ea1o v\u1ed1n c\u00f3 c\u1ee7a n\u00f3, m\u00e0 ch\u1ee7 y\u1ebfu l\u00e0 do t\u00e1c \u0111\u1ed9ng c\u1ee7a ngo\u1ea1i c\u1ea3nh. N\u0103m n\u00e0y qua n\u0103m kh\u00e1c th\u00e2n c\u00e2y s\u1ebd […]<\/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-9624","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\/9624","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=9624"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9624\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}