M\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng coi san h\u00f4, m\u00e3 n\u00e3o l\u00e0 \u0111\u00e1 qu\u00fd, gi\u1ed1ng nh\u01b0 ch\u00fang l\u00e0 kho\u00e1ng s\u1ea3n. Do nhi\u1ec1u san h\u00f4 t\u1ef1 nhi\u00ean ch\u01b0a qua gia c\u00f4ng c\u00f3 h\u00ecnh c\u00e2y, v\u00ec v\u1eady t\u1eeb tr\u01b0\u1edbc \u0111\u1ebfn nay r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi l\u1ea1i cho san h\u00f4 l\u00e0 th\u1ef1c v\u1eadt. \u0110\u1ebfn th\u1ebf k\u1ec9 XVIII, c\u00f2n c\u00f3 ng\u01b0\u1eddi coi tua c\u1ea3m c\u1ee7a san h\u00f4 l\u00e0 hoa, t\u1ef1 cho \u0111\u00f3 l\u00e0 m\u1ed9t ph\u00e1t hi\u1ec7n l\u1edbn. Hi\u1ec7n nay, nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 h\u1ecdc qua \u0111\u1ed9ng v\u1eadt h\u1ecdc \u0111\u1ec1u bi\u1ebft, san h\u00f4 l\u00e0 \u0111\u1ed9ng v\u1eadt b\u1eadc th\u1ea5p, n\u00f3 thu\u1ed9c v\u1ec1 \u0111\u1ed9ng v\u1eadt xoang tr\u00e0ng ch\u1ec9 c\u00f3 hai t\u1ea7ng ph\u00f4i trong ngo\u00e0i, gi\u1ed1ng nh\u01b0 m\u1ed9t chi\u1ebfc t\u00fai hai t\u1ea7ng. N\u00f3 c\u00f3 m\u1ed9t mi\u1ec7ng, nh\u01b0ng kh\u00f4ng c\u00f3 h\u1eadu m\u00f4n. Th\u1ee9c \u0103n t\u1eeb \u0111\u00f3 \u0111i v\u00e0o v\u00e0 nh\u1eefng c\u1eb7n b\u00e3 c\u0169ng t\u1eeb \u0111\u00f3 th\u1ea3i ra. Xung quanh mi\u1ec7ng m\u1ecdc ra r\u1ea5t nhi\u1ec1u tua c\u1ea3m, \u0111\u00e2y ch\u00ednh l\u00e0 v\u1eadt m\u00e0 ng\u01b0\u1eddi x\u01b0a cho \u0111\u00f3 l\u00e0 hoa. Tua c\u1ea3m c\u00f3 th\u1ec3 l\u1ea5y th\u1ee9c \u0103n, hay rung \u0111\u1ed9ng \u0111\u1ec3 \u0111\u01b0a n\u01b0\u1edbc v\u00e0o trong mi\u1ec7ng v\u00e0 xoang tr\u00e0ng, gi\u00fap ti\u00eau ho\u00e1 nh\u1eefng sinh v\u1eadt nh\u1ecf trong n\u01b0\u1edbc, do v\u1eady n\u00f3 l\u00e0 \u0111\u1ed9ng v\u1eadt.<\/p>\n\n\n\n
San h\u00f4 g\u1ed3m r\u1ea5t nhi\u1ec1u lo\u1ea1i, \u0111\u1ec1u c\u00f3 cu\u1ed9c s\u1ed1ng \u1ed5n \u0111\u1ecbnh, ngo\u00e0i ra ch\u00fang \u0111\u1ec1u c\u00f3 \u0111\u1eb7c t\u00ednh chung l\u00e0 sinh s\u1ed1ng \u1edf trong bi\u1ec3n n\u00f4ng, \u0111\u1eb7c bi\u1ec7t th\u00edch sinh tr\u01b0\u1edfng \u1edf khu v\u1ef1c bi\u1ec3n \u1ea5m c\u00f3 n\u01b0\u1edbc ch\u1ea3y nhanh, nhi\u1ec7t \u0111\u1ed9 cao, t\u01b0\u01a1ng \u0111\u1ed1i trong s\u1ea1ch. Do \u0111\u1ea1i \u0111a s\u1ed1 san h\u00f4 \u0111\u1ec1u c\u00f3 th\u1ec3 sinh s\u1ea3n \u0111\u1ebb nh\u00e1nh, m\u00e0 nh\u1eefng th\u1ec3 nh\u00e1nh n\u00e0y kh\u00f4ng th\u1ec3 r\u1eddi xa \u0111\u01b0\u1ee3c c\u01a1 th\u1ec3 m\u1eb9, t\u1ea1o th\u00e0nh m\u1ed9t qu\u1ea7n th\u1ec3 li\u00ean k\u1ebft v\u1edbi nhau, sinh s\u1ed1ng c\u00f9ng nhau, \u0111\u00e2y l\u00e0 nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu m\u00e0 san h\u00f4 tr\u1edf th\u00e0nh h\u00ecnh c\u00e0nh c\u00e2y. M\u1ed7i m\u1ed9t \u0111\u01a1n ch\u1ebf c\u1ee7a san h\u00f4, ch\u00fang ta g\u1ecdi n\u00f3 l\u00e0 “con san h\u00f4”. San h\u00f4 m\u00e0 ch\u00fang ta th\u01b0\u1eddng nh\u00ecn th\u1ea5y ch\u00ednh l\u00e0 b\u1ed9 x\u01b0\u01a1ng c\u1ee7a qu\u1ea7n th\u1ec3 c\u00f2n s\u00f3t l\u1ea1i sau khi th\u1ecbt c\u1ee7a nh\u1eefng con san h\u00f4 n\u00e0y b\u1ecb r\u1eefa ra. C\u00f3 nh\u1eefng ch\u1ea5t li\u1ec7u c\u1ee7a b\u1ed9 x\u01b0\u01a1ng th\u00f4 r\u00e1p c\u00f3 th\u1ec3 d\u00f9ng l\u00e0m nguy\u00ean li\u1ec7u nung v\u00f4i, ch\u1ebf t\u1ea1o \u0111\u00e1 nh\u00e2n t\u1ea1o; ch\u1ea5t li\u1ec7u c\u1ee7a b\u1ed9 x\u01b0\u01a1ng t\u1ed1t th\u00ec c\u00f3 th\u1ec3 l\u00e0m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng. \u0110\u1ea1i \u0111a s\u1ed1 \u0111\u00e1 ng\u1ea7m san h\u00f4 \u1edf bi\u1ec3n th\u01b0\u1eddng th\u1ea5y l\u00e0 do nh\u1eefng b\u1ed9 x\u01b0\u01a1ng n\u00e0y ch\u1ea5t \u0111\u1ed1ng th\u00e0nh. C\u00f3 m\u1ed9t s\u1ed1 ch\u1ea5t li\u1ec7u c\u1ee7a b\u1ed9 x\u01b0\u01a1ng v\u1eefng ch\u1eafc, m\u00e0u s\u1eafc r\u1ef1c r\u1ee1, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e0u \u0111\u1ecf, m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng g\u1ecdt gi\u0169a ch\u00fang th\u00e0nh nhi\u1ec1u lo\u1ea1i \u0111\u1ed3 trang s\u1ee9c.<\/p>\n","protected":false},"excerpt":{"rendered":"
M\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng coi san h\u00f4, m\u00e3 n\u00e3o l\u00e0 \u0111\u00e1 qu\u00fd, gi\u1ed1ng nh\u01b0 ch\u00fang l\u00e0 kho\u00e1ng s\u1ea3n. Do nhi\u1ec1u san h\u00f4 t\u1ef1 nhi\u00ean ch\u01b0a qua gia c\u00f4ng c\u00f3 h\u00ecnh c\u00e2y, v\u00ec v\u1eady t\u1eeb tr\u01b0\u1edbc \u0111\u1ebfn nay r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi l\u1ea1i cho san h\u00f4 l\u00e0 th\u1ef1c v\u1eadt. \u0110\u1ebfn th\u1ebf k\u1ec9 XVIII, c\u00f2n c\u00f3 ng\u01b0\u1eddi coi tua […]<\/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":[15,10],"tags":[],"class_list":["post-8270","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8270","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=8270"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8270\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}