Th\u1ef1c v\u1eadt c\u0169ng gi\u1ed1ng nh\u01b0 \u0111\u1ed9ng v\u1eadt, m\u1ed7i m\u1ed9t qu\u00e1 tr\u00ecnh sinh s\u1ed1ng c\u1ee7a ch\u00fang \u0111\u1ec1u kh\u00f4ng ng\u1eebng h\u00f4 h\u1ea5p. Ch\u00fang h\u00f4 h\u1ea5p su\u1ed1t ng\u00e0y \u0111\u00eam, h\u00fat kh\u00ed oxi v\u00e0 nh\u1ea3 kh\u00ed cacbonic. \u0110i\u1ec1u kh\u00e1c \u1edf ch\u1ed7 l\u00e0 th\u1ef1c v\u1eadt v\u00e0o ban ng\u00e0y ngo\u00e0i t\u00e1c d\u1ee5ng h\u00f4 h\u1ea5p, c\u00f2n ph\u1ea3i l\u1ee3i d\u1ee5ng kh\u00ed cacbonic \u0111\u1ec3 ti\u1ebfn h\u00e0nh s\u1ef1 quang h\u1ee3p, m\u00e0 trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng, t\u00e1c d\u1ee5ng quang h\u1ee3p c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 v\u01b0\u1ee3t qua t\u00e1c d\u1ee5ng h\u00f4 h\u1ea5p. C\u0169ng gi\u1ed1ng nh\u01b0 ch\u00fang ta ban ng\u00e0y ph\u1ea3i \u0103n c\u01a1m, th\u1ef1c v\u1eadt d\u01b0\u1edbi \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi, l\u1ea5y kh\u00ed cacbonic trong kh\u00f4ng kh\u00ed v\u00e0 n\u01b0\u1edbc c\u00f9ng ch\u1ea5t kho\u00e1ng h\u1ea5p th\u1ee5 \u1edf ph\u1ea7n r\u1ec5, nh\u1edd t\u00e1c d\u1ee5ng c\u1ee7a ch\u1ea5t di\u1ec7p l\u1ee5c \u1edf trong l\u00e1 \u0111\u1ec3 t\u1ea1o ra ch\u1ea5t h\u1eefu c\u01a1 c\u1ea7n thi\u1ebft nh\u01b0 \u0111\u01b0\u1eddng, protein v\u00e0 m\u1ee1 \u0111\u1ec3 nu\u00f4i s\u1ed1ng c\u01a1 th\u1ec3.<\/p>\n\n\n\n
Th\u00f4ng th\u01b0\u1eddng, trong kh\u00f4ng kh\u00ed ngo\u00e0i oxi v\u00e0 nit\u01a1 ra c\u00f2n c\u00f3 ch\u1ee9a 0,03% cacbonic, n\u1ebfu b\u1ea1n t\u0103ng n\u1ed3ng \u0111\u1ed9 c\u1ee7a n\u00f3 l\u00ean, th\u00ec c\u01b0\u1eddng \u0111\u1ed9 quang h\u1ee3p c\u0169ng t\u0103ng cao. C\u00f3 ng\u01b0\u1eddi d\u00f9ng cacbonic \u1edf d\u1ea1ng l\u1ecfng, d\u1ea7n d\u1ea7n cho bay h\u01a1i \u1edf trong ph\u00f2ng k\u00ednh ho\u1eb7c ph\u00f2ng \u1ea5m v\u00e0o m\u00f9a \u0111\u00f4ng \u0111\u00e3 gi\u00fap c\u00e2y d\u01b0a chu\u1ed9t, c\u00e0 chua v.v. tr\u1ed3ng \u1edf trong \u0111\u00f3 t\u0103ng tr\u01b0\u1edfng t\u1ed1t h\u01a1n, s\u1ea3n l\u01b0\u1ee3ng qu\u1ea3 c\u0169ng t\u0103ng cao. V\u00ec t\u0103ng n\u1ed3ng \u0111\u1ed9 cacbonic s\u1ebd c\u00f3 hi\u1ec7u qu\u1ea3 th\u00fac \u0111\u1ea9y nh\u1ee5y c\u00e1i ph\u00e1t tri\u1ec3n.<\/p>\n\n\n\n
R\u00f5 r\u00e0ng kh\u00f4ng kh\u00ed r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi th\u1ef1c v\u1eadt. Kh\u00f4ng c\u00f3 kh\u00f4ng kh\u00ed th\u1ef1c v\u1eadt s\u1ebd b\u1ecb b\u00ed h\u01a1i m\u00e0 ch\u1ebft v\u00e0 ch\u1ebft \u0111\u00f3i. M\u1eb7c d\u00f9 th\u1ef1c v\u1eadt b\u00ecnh th\u01b0\u1eddng ngo\u00e0i vi\u1ec7c t\u1ea1o ra nh\u1eefng th\u1ee9c \u0103n c\u1ea7n thi\u1ebft cho c\u01a1 th\u1ec3 c\u1ee7a ch\u00fang c\u00f2n d\u1ef1 tr\u1eef m\u1ed9t s\u1ed1 th\u1ee9c \u0103n d\u01b0 th\u1eeba ch\u01b0a c\u1ea7n \u0111\u1ebfn. Tuy nhi\u00ean nh\u1eefng th\u1ee9 m\u00e0 c\u01a1 th\u1ec3 th\u1ef1c v\u1eadt d\u1ef1 tr\u1eef r\u1ed1t c\u1ee5c c\u0169ng c\u00f3 h\u1ea1n, \u201c\u0103n\u201d h\u1ebft l\u00e0 ch\u1ebft \u0111\u00f3i. Ngo\u00e0i ra c\u0169ng v\u00ec n\u0103ng l\u01b0\u1ee3ng c\u1ee7a th\u1ef1c v\u1eadt ph\u1ea3i th\u00f4ng qua t\u00e1c d\u1ee5ng h\u00f4 h\u1ea5p l\u00e0m ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng h\u1eefu c\u01a1 m\u00e0 c\u00f3, do \u0111\u00f3 kh\u00f4ng th\u1ec3 ng\u1eebng h\u00f4 h\u1ea5p m\u1ed9t gi\u00e2y ph\u00fat n\u00e0o. N\u1ebfu kh\u00f4ng c\u00f3 oxi, th\u1ef1c v\u1eadt c\u0169ng kh\u00f4ng c\u00f3 s\u1ee9c \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng. D\u00f9ng m\u1ed9t chu\u00f4ng th\u1ee7y tinh k\u00edn ch\u1ee5p v\u00e0o m\u1ed9t c\u00e1i c\u00e2y, kh\u00f4ng \u0111\u1ebfn hai ng\u00e0y c\u00e2y s\u1ebd h\u00e9o r\u0169. C\u00f3 tr\u01b0\u1eddng h\u1ee3p ru\u1ed9ng b\u1ecb \u1ee9 n\u01b0\u1edbc d\u00e0i ng\u00e0y, r\u1ec5 c\u1ee7a c\u00e2y \u0111\u1eadu t\u01b0\u01a1ng, c\u00e2y b\u00f4ng v.v. do thi\u1ebfu oxi kh\u00f4ng th\u1ec3 h\u00f4 h\u1ea5p b\u00ecnh th\u01b0\u1eddng m\u00e0 ch\u1ebft, c\u0169ng b\u1edfi l\u1ebd \u0111\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"
Th\u1ef1c v\u1eadt c\u0169ng gi\u1ed1ng nh\u01b0 \u0111\u1ed9ng v\u1eadt, m\u1ed7i m\u1ed9t qu\u00e1 tr\u00ecnh sinh s\u1ed1ng c\u1ee7a ch\u00fang \u0111\u1ec1u kh\u00f4ng ng\u1eebng h\u00f4 h\u1ea5p. Ch\u00fang h\u00f4 h\u1ea5p su\u1ed1t ng\u00e0y \u0111\u00eam, h\u00fat kh\u00ed oxi v\u00e0 nh\u1ea3 kh\u00ed cacbonic. \u0110i\u1ec1u kh\u00e1c \u1edf ch\u1ed7 l\u00e0 th\u1ef1c v\u1eadt v\u00e0o ban ng\u00e0y ngo\u00e0i t\u00e1c d\u1ee5ng h\u00f4 h\u1ea5p, c\u00f2n ph\u1ea3i l\u1ee3i d\u1ee5ng kh\u00ed cacbonic \u0111\u1ec3 […]<\/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-9641","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\/9641","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=9641"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9641\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}