N\u1ebfu nh\u01b0 t\u1eeb trong m\u1ed9t mi\u1ebfng \u0111\u1ea5t m\u00e0u m\u1ee1, b\u1ea1n l\u1ea5y ra m\u1ed9t \u00edt \u0111\u1ea5t \u0111\u1eb7t d\u01b0\u1edbi k\u00ednh hi\u1ec3n vi ki\u1ec3m tra th\u00ec s\u1ebd ph\u00e1t hi\u1ec7n c\u00f3 r\u1ea5t nhi\u1ec1u vi sinh v\u1eadt h\u00ecnh th\u00f9 k\u00ec l\u1ea1, \u0111\u1ee7 ki\u1ec3u s\u1ed1ng \u1edf trong \u0111\u1ea5t, t\u01b0\u1edfng nh\u01b0 l\u00e0 \u0111i v\u00e0o trong m\u1ed9t th\u1ebf gi\u1edbi mu\u00f4n m\u00e0u mu\u00f4n v\u1ebb. Trong 1 gam \u0111\u1ea5t nh\u01b0 v\u1eady, s\u1ed1 l\u01b0\u1ee3ng c\u00e1c vi sinh v\u1eadt c\u00f3 th\u1ec3 nhi\u1ec1u t\u1edbi m\u1ea5y t\u1ec9, do v\u1eady con ng\u01b0\u1eddi g\u1ecdi \u0111\u1ea5t l\u00e0 “ng\u00f4i nh\u00e0” m\u00e0 c\u00e1c vi sinh v\u1eadt th\u00edch c\u01b0 tr\u00fa nh\u1ea5t.<\/p>\n\n\n\n
T\u1ea1i sao trong \u0111\u1ea5t l\u1ea1i c\u00f3 nhi\u1ec1u vi sinh v\u1eadt \u0111\u1ebfn nh\u01b0 v\u1eady? Nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu nh\u1ea5t l\u00e0 do \u0111\u1ea5t \u0111\u00e3 cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 cho vi sinh v\u1eadt th\u1ee9c \u0103n v\u00e0 m\u00f4i tr\u01b0\u1eddng sinh s\u1ed1ng th\u00edch h\u1ee3p.<\/p>\n\n\n\n
Ch\u00fang ta \u0111\u00e3 bi\u1ebft, sau khi c\u00e1c lo\u00e0i \u0111\u1ed9ng th\u1ef1c v\u1eadt ch\u1ebft \u0111i, thi th\u1ec3 c\u1ee7a ch\u00fang \u0111\u01b0\u1ee3c ch\u00f4n trong \u0111\u1ea5t. \u0110i\u1ec1u n\u00e0y l\u00e0m cho vi sinh v\u1eadt c\u00f3 ngu\u1ed3n th\u1ee9c \u0103n kh\u00f4ng bao gi\u1edd c\u1ea1n. Ngo\u00e0i ra, trong \u0111\u1ea5t c\u00f2n c\u00f3 nhi\u1ec1u ch\u1ea5t kho\u00e1ng, nh\u01b0 kali, natri, magi\u00ea, s\u1eaft, l\u01b0u hu\u1ef3nh, photpho\u2026, nh\u1eefng kho\u00e1ng ch\u1ea5t n\u00e0y \u0111\u1ec1u l\u00e0 nh\u1eefng v\u1eadt ch\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m cho vi sinh v\u1eadt c\u00f3 th\u1ec3 sinh tr\u01b0\u1edfng b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n
\u0110\u1ed1i v\u1edbi vi sinh v\u1eadt m\u00e0 n\u00f3i th\u00ec \u0111\u1ea5t l\u00e0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p. B\u1edfi v\u00ec trong \u0111\u1ea5t c\u00f3 h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u sinh tr\u01b0\u1edfng c\u1ee7a vi sinh v\u1eadt, c\u00f3 l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed v\u1eeba ph\u1ea3i \u0111\u1ec3 cung c\u1ea5p cho vi sinh v\u1eadt th\u1edf, \u0111\u1ed9 ax\u00edt trong \u0111\u1ea5t g\u1ea7n nh\u01b0 trung t\u00ednh, l\u00e0m cho \u0111\u1ea1i \u0111a s\u1ed1 vi sinh v\u1eadt \u0111\u1ec1u c\u00f3 th\u1ec3 th\u00edch \u1ee9ng. Ngo\u00e0i ra c\u00f2n c\u00f3 m\u1ed9t \u0111i\u1ec3m r\u1ea5t quan tr\u1ecdng n\u1eefa l\u00e0 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ed1n m\u00f9a trong m\u1ed9t n\u0103m d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t kh\u00f4ng nhi\u1ec1u, m\u00f9a h\u00e8 kh\u00f4ng ph\u1ea3i ch\u1ecbu c\u00e1i n\u00f3ng c\u1ee7a M\u1eb7t Tr\u1eddi ch\u00f3i chang, m\u00f9a \u0111\u00f4ng kh\u00f4ng c\u00f3 gi\u00f3 l\u1ea1nh th\u1ed5i.<\/p>\n\n\n\n
Do \u0111\u1ea5t c\u00f3 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u01b0u vi\u1ec7t nh\u01b0 v\u1eady, n\u00f3 ch\u00ednh l\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng l\u00ed t\u01b0\u1edfng cho nhi\u1ec1u vi sinh v\u1eadt, do v\u1eady, r\u1ea5t nhi\u1ec1u vi sinh v\u1eadt mu\u1ed1n sinh s\u1ed1ng trong l\u00f2ng \u0111\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"
N\u1ebfu nh\u01b0 t\u1eeb trong m\u1ed9t mi\u1ebfng \u0111\u1ea5t m\u00e0u m\u1ee1, b\u1ea1n l\u1ea5y ra m\u1ed9t \u00edt \u0111\u1ea5t \u0111\u1eb7t d\u01b0\u1edbi k\u00ednh hi\u1ec3n vi ki\u1ec3m tra th\u00ec s\u1ebd ph\u00e1t hi\u1ec7n c\u00f3 r\u1ea5t nhi\u1ec1u vi sinh v\u1eadt h\u00ecnh th\u00f9 k\u00ec l\u1ea1, \u0111\u1ee7 ki\u1ec3u s\u1ed1ng \u1edf trong \u0111\u1ea5t, t\u01b0\u1edfng nh\u01b0 l\u00e0 \u0111i v\u00e0o trong m\u1ed9t th\u1ebf gi\u1edbi mu\u00f4n m\u00e0u mu\u00f4n v\u1ebb. […]<\/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-8226","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\/8226","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=8226"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8226\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8226"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8226"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}