Hoa n\u01b0\u1edbc c\u00f2n g\u1ecdi l\u00e0 t\u1ea3o hoa, l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng t\u1ea3o lam, t\u1ea3o l\u1ee5c ph\u00e1t tri\u1ec3n qu\u00e1 m\u1ee9c trong n\u01b0\u1edbc ng\u1ecdt. Trong s\u00f4ng, h\u1ed3 khi c\u00e1c lo\u00e0i t\u1ea3o ph\u00e1t tri\u1ec3n th\u00ec h\u00ecnh th\u00e0nh m\u1ed9t t\u1ea7ng t\u1ea3o m\u00e0u xanh r\u1ea5t d\u00e0y, n\u00f3 xu\u1ea5t hi\u1ec7n t\u1eebng m\u1ea3ng m\u00e0u xanh g\u1ecdi l\u00e0 “hoa n\u01b0\u1edbc”. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y ph\u00e1t sinh \u1edf bi\u1ec3n ng\u01b0\u1eddi ta g\u1ecdi l\u00e0 “tri\u1ec1u \u0111\u1ecf”. Nh\u1eefng lo\u00e0i t\u1ea3o n\u00e0y nh\u1ea3 ra ch\u1ea5t \u0111\u1ed9c m\u00e0u xanh \u0111\u1eadm, c\u00f3 th\u1ec3 gi\u1ebft ch\u1ebft c\u00e1. Sau khi t\u1ea3o ch\u1ebft \u0111i, trong qu\u00e1 tr\u00ecnh r\u1eefa n\u00e1t v\u00e0 ph\u00e2n gi\u1ea3i, c\u1ea7n ti\u00eau hao m\u1ed9t l\u01b0\u1ee3ng oxi l\u1edbn tan trong n\u01b0\u1edbc khi\u1ebfn cho n\u01b0\u1edbc b\u1ecb th\u1ed1i. “Hoa n\u01b0\u1edbc” kh\u00f4ng nh\u1eefng ph\u00e1 ho\u1ea1i ngu\u1ed3n n\u01b0\u1edbc m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3nh quan m\u1eb7t n\u01b0\u1edbc.<\/p>\n\n\n\n
S\u00f4ng, h\u1ed3, m\u1eb7t bi\u1ec3n v\u00e0 c\u00e1c c\u1eeda s\u00f4ng ph\u00e1t sinh “hoa n\u01b0\u1edbc” l\u00e0 k\u1ebft qu\u1ea3 n\u01b0\u1edbc b\u1ecb gi\u00e0u dinh d\u01b0\u1ee1ng, \u0111\u00f3 l\u00e0 bi\u1ec3u hi\u1ec7n n\u01b0\u1edbc b\u1ecb suy l\u00e3o. Trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng, trong \u0111\u1ea5t b\u1ec1 m\u1eb7t th\u01b0\u1eddng ch\u1ee9a c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft cho c\u00e1c lo\u00e0i c\u00e2y sinh tr\u01b0\u1edfng. Nh\u1eefng ch\u1ea5t n\u00e0y tr\u00f4i theo n\u01b0\u1edbc m\u01b0a, qua n\u01b0\u1edbc b\u1ec1 m\u1eb7t th\u00e2m nh\u1eadp v\u00e0o ngu\u1ed3n n\u01b0\u1edbc, c\u00e1c lo\u00e0i sinh v\u1eadt trong n\u01b0\u1edbc h\u1ea5p th\u1ee5 nh\u1eefng ch\u1ea5t n\u00e0y \u0111\u1ec3 sinh s\u00f4i n\u1ea3y n\u1edf. V\u00ec v\u1eady, trong m\u1ed9t th\u1eddi gian d\u00e0i, c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng ch\u00ednh \u1edf trong n\u01b0\u1edbc nh\u01b0: nit\u01a1, ph\u00f4tpho, v.v\u2026 x\u00e2m nh\u1eadp v\u00e0 tho\u00e1t ra t\u1eeb n\u01b0\u1edbc s\u1ebd \u0111\u1ea1t \u0111\u1ebfn c\u00e2n b\u1eb1ng. Ph\u1ea3i qua m\u1ea5y ngh\u00ecn n\u0103m, th\u1eadm ch\u00ed m\u1ea5y v\u1ea1n n\u0103m h\u00e0m l\u01b0\u1ee3ng nh\u1eefng ch\u1ea5t dinh d\u01b0\u1ee1ng n\u00e0y m\u1edbi d\u1ea7n d\u1ea7n t\u0103ng l\u00ean.<\/p>\n\n\n\n
Ng\u00e0y nay, c\u00f9ng v\u1edbi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi ng\u00e0y c\u00e0ng gia t\u0103ng, s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p d\u00f9ng m\u1ed9t l\u01b0\u1ee3ng l\u1edbn ph\u00e2n b\u00f3n ho\u00e1 h\u1ecdc, n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t v\u00e0 n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p \u0111\u1ed5 v\u00e0o c\u00e1c s\u00f4ng, h\u1ed3 khi\u1ebfn cho c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc t\u0103ng l\u00ean nhanh ch\u00f3ng. S\u1ef1 t\u00edch lu\u1ef9 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng n\u00e0y trong n\u01b0\u1edbc ch\u1ec9 trong m\u1ed9t th\u1eddi gian ng\u1eafn – m\u1ed9t ho\u1eb7c v\u00e0i ch\u1ee5c n\u0103m, th\u1eadm ch\u00ed ch\u1ec9 m\u1ea5y n\u0103m \u0111\u00e3 h\u00ecnh th\u00e0nh. N\u01b0\u1edbc “b\u00e9o” qu\u00e1 s\u1ebd khi\u1ebfn cho c\u00e1c lo\u00e0i t\u1ea3o th\u1eeba c\u01a1 sinh s\u00f4i n\u1ea3y n\u1edf, khi\u1ebfn cho h\u1ec7 th\u1ed1ng sinh th\u00e1i thu\u1ef7 sinh trong n\u01b0\u1edbc b\u1ecb ph\u00e1 ho\u1ea1i nghi\u00eam tr\u1ecdng. Ng\u01b0\u1eddi ta g\u1ecdi \u0111\u00f3 l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng “gi\u00e0u dinh d\u01b0\u1ee1ng” qu\u00e1 m\u1ee9c.<\/p>\n\n\n\n
S\u1ef1 ph\u00e1t sinh n\u01b0\u1edbc gi\u00e0u dinh d\u01b0\u1ee1ng qu\u00e1 m\u1ee9c c\u00f3 li\u00ean quan \u0111\u1ebfn c\u00e1c lo\u00e0i t\u1ea3o trong n\u01b0\u1edbc nhi\u1ec1u hay \u00edt. Theo c\u00e1c nh\u00e0 khoa h\u1ecdc x\u00e1c \u0111\u1ecbnh, n\u01b0\u1edbc gi\u00e0u dinh d\u01b0\u1ee1ng, v\u00e0o nh\u1eefng m\u00f9a c\u00f3 \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p, s\u1ed1 l\u01b0\u1ee3ng c\u00e1c lo\u00e0i t\u1ea3o c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t tri\u1ec7u lo\u00e0i trong m\u1ed9t l\u00edt n\u01b0\u1edbc, trong \u0111\u00f3 th\u01b0\u1eddng th\u01b0\u1eddng t\u1ea3o lam v\u00e0 t\u1ea3o l\u1ee5c chi\u1ebfm \u01b0u th\u1ebf. Khi \u0111\u00f3 m\u1eb7t n\u01b0\u1edbc s\u1ebd xu\u1ea5t hi\u1ec7n t\u1eebng \u0111\u00e1m “hoa n\u01b0\u1edbc” do c\u00e1c lo\u00e0i t\u1ea3o n\u00e0y t\u1ea1o n\u00ean.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: “Hoa n\u01b0\u1edbc”; Gi\u00e0u dinh d\u01b0\u1ee1ng ho\u00e1. “tri\u1ec1u \u0111\u1ecf”; Lo\u00e0i t\u1ea3o.<\/p>\n","protected":false},"excerpt":{"rendered":"
Hoa n\u01b0\u1edbc c\u00f2n g\u1ecdi l\u00e0 t\u1ea3o hoa, l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng t\u1ea3o lam, t\u1ea3o l\u1ee5c ph\u00e1t tri\u1ec3n qu\u00e1 m\u1ee9c trong n\u01b0\u1edbc ng\u1ecdt. Trong s\u00f4ng, h\u1ed3 khi c\u00e1c lo\u00e0i t\u1ea3o ph\u00e1t tri\u1ec3n th\u00ec h\u00ecnh th\u00e0nh m\u1ed9t t\u1ea7ng t\u1ea3o m\u00e0u xanh r\u1ea5t d\u00e0y, n\u00f3 xu\u1ea5t hi\u1ec7n t\u1eebng m\u1ea3ng m\u00e0u xanh g\u1ecdi l\u00e0 “hoa n\u01b0\u1edbc”. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y ph\u00e1t […]<\/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":[15,17],"tags":[],"class_list":["post-9426","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-moi-truong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9426","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=9426"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9426\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}