Con ng\u01b0\u1eddi trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 nh\u1eefng ho\u1ea1t \u0111\u1ed9ng kh\u00e1c \u0111\u00e3 s\u1ea3n sinh ra c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. Nh\u1eefng ch\u1ea5t n\u00e0y th\u00e2m nh\u1eadp v\u00e0o trong \u0111\u1ea5t v\u00e0 t\u00edch l\u0169y \u0111\u1ebfn m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh s\u1ebd g\u00e2y n\u00ean \u00f4 nhi\u1ec5m \u0111\u1ea5t.<\/p>\n\n\n\n
M\u1ed7i h\u1ec7 th\u1ed1ng sinh th\u00e1i \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 l\u00e0m s\u1ea1ch nh\u1ea5t \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi ch\u1ea5t \u00f4 nhi\u1ec5m. H\u1ec7 th\u1ed1ng sinh th\u00e1i \u0111\u1ea5t c\u0169ng kh\u00f4ng ngo\u1ea1i l\u1ec7.<\/p>\n\n\n\n
T\u1eeb b\u1ec1 ngo\u00e0i m\u00e0 x\u00e9t, \u0111\u1ea5t \u0111ai h\u1ea7u nh\u01b0 r\u1ea5t b\u00ecnh l\u1eb7ng, y\u00ean t\u0129nh. Th\u1ef1c ra trong \u0111\u1ea5t lu\u00f4n di\u1ec5n ra nh\u1eefng qu\u00e1 tr\u00ecnh v\u1eadt l\u00ed, h\u00f3a h\u1ecdc v\u00e0 sinh v\u1eadt h\u1ecdc, li\u00ean t\u1ee5c ph\u00e2n gi\u1ea3i, h\u1ee3p th\u00e0nh, h\u1ea5p th\u1ee5 v\u00e0 gi\u1ea3i ph\u00f3ng. V\u00ec v\u1eady \u0111\u1ea5t \u0111ai ho\u1ea1t \u0111\u1ed9ng v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00f4ng ng\u1eebng. Trong \u0111\u1ea5t c\u00f3 nhi\u1ec1u lo\u00e0i vi sinh v\u1eadt sinh s\u1ed1ng. Tuy nh\u1ecf b\u00e9 nh\u01b0ng kh\u1ea3 n\u0103ng c\u1ee7a c\u00e1c lo\u00e0i vi sinh v\u1eadt r\u1ea5t t\u00e0i gi\u1ecfi. Ch\u00fang ph\u00e2n b\u1ed1 r\u1ea5t r\u1ed9ng, ch\u1ee7ng lo\u00e0i nhi\u1ec1u, sinh s\u00f4i n\u1ea3y n\u1edf nhanh, h\u1ea5p thu v\u00e0 \u0111\u00e0o th\u1ea3i m\u1ea1nh m\u1ebd, v\u00ec v\u1eady m\u00e0 n\u0103ng l\u1ef1c l\u00e0m s\u1ea1ch m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang r\u1ea5t l\u1edbn. Theo th\u1ed1ng k\u00ea, trong \u0111\u1ea5t c\u1ee7a m\u1ed7i m\u1eabu \u0111\u1ea5t kh\u00f4 c\u00f3 t\u1eeb 70 \u0111\u1ebfn 130 kg vi sinh v\u1eadt. Khi c\u00f3 c\u00e1c v\u1eadt \u00f4 nhi\u1ec5m ch\u00fang c\u00f2n c\u00f3 th\u1ec3 s\u1ea3n sinh ra nh\u1eefng vi sinh v\u1eadt c\u00f3 bi\u1ec7t t\u00e0i \u201c\u0111\u1ed1i ph\u00f3\u201d v\u1edbi c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m n\u00e0y. C\u00e1c vi sinh v\u1eadt trong \u0111\u1ea5t c\u00f3 vi khu\u1ea9n, c\u00e1c lo\u00e0i khu\u1ea9n c\u00f3 n\u0103ng l\u1ef1c ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 r\u1ea5t l\u1edbn. C\u00e1c nh\u00e0 khoa h\u1ecdc th\u00f4ng qua th\u00ed nghi\u1ec7m \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c: c\u00e1c vi sinh v\u1eadt trong ph\u1ea1m vi 1 km2 c\u00f3 th\u1ec3 h\u1ea5p thu 30 t\u1ea5n ch\u1ea5t h\u1eefu c\u01a1, trong \u0111\u00f3 1\/3 \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00e0nh nh\u1eefng ch\u1ea5t h\u1eefu c\u01a1 c\u1ee7a \u0111\u1ea5t, c\u00f2n l\u1ea1i 2\/3 \u0111\u01b0\u1ee3c ph\u00e2n gi\u1ea3i th\u00e0nh nh\u1eefng ch\u1ea5t v\u00f4 c\u01a1, l\u00e0m cho r\u1ec5 c\u1ee7a th\u1ef1c v\u1eadt c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c. Vi sinh v\u1eadt trong \u0111\u1ea5t kh\u00f4ng nh\u1eefng c\u00f3 th\u1ec3 h\u1ea5p thu v\u00e0 oxit h\u00f3a \u0111\u1ec3 ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 ph\u1ee9c t\u1ea1p m\u00e0 c\u00f2n c\u00f3 th\u1ec3 h\u1ea5p thu v\u00e0 l\u1ee3i d\u1ee5ng c\u00e1c ch\u1ea5t v\u00f4 c\u01a1. V\u00ec v\u1eady ch\u00fang l\u00e0 \u0111\u1ed9i qu\u00e2n ch\u1ee7 l\u1ef1c \u0111\u1ec3 l\u00e0m s\u1ea1ch c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m trong \u0111\u1ea5t.<\/p>\n\n\n\n
Khi c\u00f3 kim lo\u1ea1i n\u1eb7ng l\u00e0m \u00f4 nhi\u1ec5m \u0111\u1ea5t, c\u00e1c ch\u1ea5t l\u00e0m g\u1ec9 trong \u0111\u1ea5t v\u00e0 c\u00e1c t\u1eadp \u0111o\u00e0n d\u01b0\u1edbi d\u1ea1ng t\u1eebng h\u1ea1t s\u1ebd h\u1ea5p thu ch\u00fang, khi\u1ebfn cho t\u00ednh \u0111\u1ed9c \u1edf trong c\u00e1c kim lo\u1ea1i gi\u1ea3m xu\u1ed1ng. Sau \u0111\u00f3 b\u1ed9 r\u1ec5 c\u1ee7a th\u1ef1c v\u1eadt s\u1ebd h\u1ea5p thu nh\u1eefng kim lo\u1ea1i n\u1eb7ng n\u00e0y khi\u1ebfn cho n\u00f3 bi\u1ebfn th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n t\u1ed5 h\u1ee3p n\u00ean th\u00e2n c\u00e2y, t\u1eeb \u0111\u00f3 m\u00e0 d\u1ea7n d\u1ea7n x\u00f3a b\u1ecf \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng \u0111\u1ea5t b\u1ecb \u00f4 nhi\u1ec5m kim lo\u1ea1i n\u1eb7ng. \u0110\u1ed3ng th\u1eddi trong \u0111\u1ea5t c\u00f2n ch\u1ee9a m\u1ed9t s\u1ed1 t\u1ea1p ch\u1ea5t nh\u01b0 axit, ki\u1ec1m, mu\u1ed1i. Ch\u00fang s\u1ebd ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c t\u1ea1p ch\u1ea5t bi\u1ebfn th\u00e0nh c\u00e1c ch\u1ea5t kh\u00e1c, l\u00e0m gi\u1ea3m th\u1ea5p nh\u1eefng ch\u1ea5t c\u00f3 \u0111\u1ed9c trong m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n
Tuy nhi\u00ean n\u0103ng l\u1ef1c \u0111\u1ea5t l\u00e0m s\u1ea1ch \u00f4 nhi\u1ec5m c\u0169ng ch\u1ec9 c\u00f3 h\u1ea1n. Khi m\u1ed9t l\u01b0\u1ee3ng l\u1edbn t\u1ea1p ch\u1ea5t c\u00f3 \u0111\u1ed9c h\u1ea1i th\u00e2m nh\u1eadp v\u00e0o \u0111\u1ea5t v\u01b0\u1ee3t qu\u00e1 n\u0103ng l\u1ef1c ti\u00eau h\u1ee7y v\u00e0 h\u1ea5p thu c\u1ee7a \u0111\u1ea5t th\u00ec c\u00e1c v\u1eadt \u00f4 nhi\u1ec5m s\u1ebd gi\u1eef l\u1ea1i t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc v\u1ed1n c\u00f3 c\u1ee7a n\u00f3, l\u00fac \u0111\u00f3 t\u00ednh ch\u1ea5t c\u1ee7a \u0111\u1ea5t s\u1ebd ph\u00e1t sinh bi\u1ebfn \u0111\u1ed5i kh\u00e1 l\u1edbn, th\u1eadm ch\u00ed khi\u1ebfn cho sinh m\u1ec7nh v\u00e0 cu\u1ed9c s\u1ed1ng c\u1ee7a c\u00e1c vi sinh v\u1eadt trong \u0111\u1ea5t b\u1ecb kh\u1ed1ng ch\u1ebf v\u00e0 ti\u00eau di\u1ec7t.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: \u00d4 nhi\u1ec5m \u0111\u1ea5t; T\u1ef1 l\u00e0m s\u1ea1ch; Vi sinh v\u1eadt.<\/p>\n","protected":false},"excerpt":{"rendered":"
Con ng\u01b0\u1eddi trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 nh\u1eefng ho\u1ea1t \u0111\u1ed9ng kh\u00e1c \u0111\u00e3 s\u1ea3n sinh ra c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. Nh\u1eefng ch\u1ea5t n\u00e0y th\u00e2m nh\u1eadp v\u00e0o trong \u0111\u1ea5t v\u00e0 t\u00edch l\u0169y \u0111\u1ebfn m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh s\u1ebd g\u00e2y n\u00ean \u00f4 nhi\u1ec5m \u0111\u1ea5t. M\u1ed7i h\u1ec7 th\u1ed1ng sinh th\u00e1i \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 l\u00e0m […]<\/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-9302","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\/9302","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=9302"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9302\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}