{"id":30044,"date":"2020-02-17T13:45:00","date_gmt":"2020-02-17T06:45:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=30044"},"modified":"2021-11-23T22:08:46","modified_gmt":"2021-11-23T15:08:46","slug":"trung-tam-ung-dung-tien-bo-khcn-nghien-cuu-che-tao-thiet-bi-tao-nuoc-ion-nong-nghiep-ung-dung-cong-nghe-tu-truong-va-dien-phan","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/trung-tam-ung-dung-tien-bo-khcn-nghien-cuu-che-tao-thiet-bi-tao-nuoc-ion-nong-nghiep-ung-dung-cong-nghe-tu-truong-va-dien-phan\/","title":{"rendered":"TRUNG T\u00c2M \u1ee8NG D\u1ee4NG TI\u1ebeN B\u1ed8 KH&CN NGHI\u00caN C\u1ee8U CH\u1ebe T\u1ea0O THI\u1ebeT B\u1eca T\u1ea0O N\u01af\u1edaC ION N\u00d4NG NGHI\u1ec6P \u1ee8NG D\u1ee4NG C\u00d4NG NGH\u1ec6 T\u1eea TR\u01af\u1edcNG V\u00c0 \u0110I\u1ec6N PH\u00c2N"},"content":{"rendered":"\n

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u \u0111\u1ebfn x\u00e2m nh\u1eadp m\u1eb7n \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long d\u1eabn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong canh t\u00e1c v\u00e0 sinh ho\u1ea1t b\u1ecb suy gi\u1ea3m. \u0110\u1ea5t nhi\u1ec5m ph\u00e8n, nhi\u1ec5m m\u1eb7n l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng nguy hi\u1ec3m \u1ea3nh h\u01b0\u1edfng x\u1ea5u t\u1edbi s\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a nhi\u1ec1u lo\u1ea1i c\u00e2y tr\u1ed3ng. \u1ede Vi\u1ec7t Nam, \u0111\u1ea5t m\u1eb7n c\u00f3 x\u1ea5p x\u1ec9 2 tri\u1ec7u ha, chi\u1ebfm g\u1ea7n 6% t\u1ed5ng di\u1ec7n t\u00edch \u0111\u1ea5t t\u1ef1 nhi\u00ean. Qu\u00e1 tr\u00ecnh m\u1eb7n h\u00f3a l\u00e0 do \u1ea3nh h\u01b0\u1edfng c\u1ee7a n\u01b0\u1edbc bi\u1ec3n, do \u0111\u00f3 th\u00e0nh ph\u1ea7n c\u00e1c lo\u1ea1i mu\u1ed1i tan \u1edf \u0111\u1ea5t m\u1eb7n Vi\u1ec7t Nam gi\u1ed1ng nh\u01b0 th\u00e0nh ph\u1ea7n mu\u1ed1i tan c\u1ee7a n\u01b0\u1edbc bi\u1ec3n. M\u1eb7t kh\u00e1c hi\u1ec7n nay, d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u01b0\u1ee3c bi\u1ec3u hi\u1ec7n l\u00e0 m\u1ef1c n\u01b0\u1edbc bi\u1ec3n d\u00e2ng l\u00ean, v\u1ea5n \u0111\u1ec1 m\u1eb7n h\u00f3a c\u00f3 th\u1ec3 l\u00e0 nguy c\u01a1 tr\u1ea7m tr\u1ecdng h\u01a1n. V\u00ec v\u1eady, vi\u1ec7c c\u1ea3i t\u1ea1o n\u01b0\u1edbc t\u01b0\u1edbi n\u00f4ng nghi\u1ec7p nh\u1eb1m t\u0103ng kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 c\u1ee7a c\u00e2y tr\u1ed3ng l\u00e0 c\u1ea5p b\u00e1ch.<\/p>\n\n\n\n

Trung t\u00e2m \u1ee8ng d\u1ee5ng ti\u1ebfn b\u1ed9 khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n thi\u1ebft b\u1ecb t\u1ea1o n\u01b0\u1edbc ion n\u00f4ng nghi\u1ec7p nh\u1eb1m t\u1ea1o ra n\u01b0\u1edbc \u0111\u1ec3 ph\u1ee5c v\u1ee5 trong n\u00f4ng nghi\u1ec7p nh\u1eb1m gi\u00fap c\u1ea3i thi\u1ec7n ngu\u1ed3n n\u01b0\u1edbc \u0111ang b\u1ecb nhi\u1ec5m m\u1eb7n hi\u1ec7n nay; \u0111\u1ed3ng th\u1eddi gi\u00fap cho c\u00e2y s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c ngu\u1ed3n n\u01b0\u1edbc n\u00e0y v\u00e0 h\u1ea5p th\u1ee5 t\u1ed1t nh\u1eefng d\u01b0\u1ee1ng ch\u1ea5t c\u00f3 trong \u0111\u1ea5t. Thi\u1ebft b\u1ecb t\u1ea1o n\u01b0\u1edbc ion n\u00f4ng nghi\u1ec7p b\u1eb1ng c\u00e1ch cho n\u01b0\u1edbc b\u00ecnh th\u01b0\u1eddng ch\u1ea1y qua tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb (h\u1ec7 th\u1ed1ng g\u1ed3m nam ch\u00e2m v\u0129nh c\u1eedu ho\u1eb7c nam ch\u00e2m \u0111i\u1ec7n, k\u1ebft h\u1ee3p v\u1edbi b\u1ec3 \u0111i\u1ec7n ph\u00e2n v\u00e0 va \u0111\u1eadp ph\u00e2n t\u1eed) s\u1ebd l\u00e0m thay \u0111\u1ed5i c\u1ea5u tr\u00fac c\u1ee7a n\u01b0\u1edbc. N\u01b0\u1edbc sau khi x\u1eed l\u00fd s\u1ebd c\u00f3 s\u1ef1 thay \u0111\u1ed5i v\u1ec1 h\u00f3a l\u00fd n\u01b0\u1edbc nh\u01b0 gi\u1ea3m l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t v\u00e0 EC, pH c\u1ee7a n\u01b0\u1edbc, ph\u00e1 v\u1ee1 li\u00ean k\u1ebft hydrogen gi\u1eefa n\u01b0\u1edbc v\u00e0 ion mu\u1ed1i, gia t\u0103ng k\u1ebft t\u1ee5 tinh th\u1ec3 mu\u1ed1i NaCl, gi\u1ea3m k\u00edch c\u1ee1 nh\u00f3m ph\u00e2n t\u1eed n\u01b0\u1edbc- kho\u00e1ng v\u00e0 t\u0103ng ho\u1ea1t \u0111\u1ed9 n\u01b0\u1edbc, gi\u1ea3m \u0111\u1ed9 nh\u1edbt, \u0111i\u1ec3m s\u00f4i. K\u00edch c\u1ee1 nh\u00f3m c\u1ee7a ph\u00e2n t\u1eed n\u01b0\u1edbc t\u1eeb t\u00ednh nh\u1ecf h\u01a1n l\u00e0m cho n\u01b0\u1edbc d\u1ec5 d\u00e0ng h\u1ea5p thu v\u00e0o \u0111\u1ea5t v\u00e0 t\u1ebf b\u00e0o c\u00e2y tr\u1ed3ng, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1ea9m \u0111\u1ea5t, gi\u1ea3m t\u1ed5ng ch\u1ea5t r\u1eafn h\u00f2a tan trong n\u01b0\u1edbc (TDS), ng\u0103n ng\u1eeba s\u1ef1 k\u1ebft t\u1ee7a c\u1ee7a mu\u1ed1i, gi\u00fap r\u1eeda m\u1eb7n \u0111\u1ea5t t\u1ed1t h\u01a1n. T\u01b0\u1edbi n\u01b0\u1edbc t\u1eeb t\u00ednh gi\u00fap gia t\u0103ng h\u00e0m l\u01b0\u1ee3ng Mg v\u00e0 Ca h\u1ea5p ph\u1ee5 trong \u0111\u1ea5t l\u00ean 5%, gia t\u0103ng n\u1ed3ng \u0111\u1ed9 CO2 v\u00e0 H+ trong \u0111\u1ea5t, gi\u00fap h\u00f2a tan ph\u00e2n khi b\u00f3n, gia t\u0103ng h\u00e0m l\u01b0\u1ee3ng P h\u1eefu d\u1ee5ng; tuy nhi\u00ean, n\u01b0\u1edbc t\u1eeb t\u00ednh c\u0169ng l\u00e0m tr\u1ef1c di K+ trong \u0111\u1ea5t c\u00e1t. V\u1edbi nh\u1eefng l\u1ee3i \u00edch \u0111em l\u1ea1i, s\u1eed d\u1ee5ng \u0111i\u1ec7n t\u1eeb tr\u01b0\u1eddng trong vi\u1ec7c x\u1eed l\u00fd n\u01b0\u1edbc nhi\u1ec5m m\u1eb7n, ph\u00e8n ph\u1ee5c v\u1ee5 cho t\u01b0\u1edbi ti\u00eau, c\u1ea3i thi\u1ec7n \u0111\u1ea5t nhi\u1ec5m m\u1eb7n \u1edf \u0110BSCL l\u00e0 l\u0129nh v\u1ef1c m\u1edbi trong vi\u1ec7c b\u1ea3o t\u1ed3n ngu\u1ed3n t\u00e0i nguy\u00ean \u0111\u1ea5t, n\u01b0\u1edbc trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n

Th\u00ed nghi\u1ec7m \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 c\u01a1 l\u01b0\u1ee3ng t\u1eed v\u00e0o n\u01b0\u1edbc t\u01b0\u1edbi n\u00f4ng nghi\u1ec7p v\u00e0o n\u01b0\u1edbc nhi\u1ec5m m\u1eb7n 0 v\u00e0 3\u2030 tr\u00ean c\u00e2y c\u1ea3i xanh t\u1ea1i Tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc C\u1ea7n Th\u01a1: Chu\u1ea9n b\u1ecb n\u01b0\u1edbc t\u01b0\u1edbi v\u1edbi 2 \u0111\u1ed9 m\u1eb7n kh\u00e1c nhau (0 v\u00e0 3\u2030) cho t\u01b0\u1edbi tr\u00ean c\u00e2y c\u1ea3i xanh v\u1edbi 4 nghi\u1ec7m th\u1ee9c l\u1ea7n l\u01b0\u1ee3t T1 (n\u01b0\u1edbc c\u1ea5p, kh\u00f4ng x\u1eed l\u00fd (KXL) \u2013 pha ph\u00e2n), T2 (n\u01b0\u1edbc c\u1ea5p, x\u1eed l\u00fd (XL) \u2013 pha ph\u00e2n), T3 (n\u01b0\u1edbc nhi\u1ec5m m\u1eb7n 3\u2030, KXL \u2013 pha ph\u00e2n), T4 (n\u01b0\u1edbc nhi\u1ec5m m\u1eb7n 3\u2030, XL \u2013 pha ph\u00e2n). K\u1ebft qu\u1ea3 cho th\u1ea5y, sau khi n\u01b0\u1edbc s\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea1y qua 2 l\u1ea7n h\u1ec7 th\u1ed1ng t\u1eeb tr\u01b0\u1eddng t\u00edch h\u1ee3p, c\u00e1c ch\u1ec9 ti\u00eau trong n\u01b0\u1edbc s\u00f4ng c\u1ee5 th\u1ec3 EC \u0111\u1ea1t hi\u1ec7u su\u1ea5t gi\u1ea3m 21,3% \u1edf \u0111\u1ed9 m\u1eb7n 3\u2030, SAR \u0111\u1ea1t hi\u1ec7u su\u1ea5t gi\u1ea3m sau x\u1eed l\u00fd l\u00e0 20,75% cao nh\u1ea5t \u1edf \u0111\u1ed9 m\u1eb7n 0\u2030, hi\u1ec7u su\u1ea5t x\u1eed l\u00fd SO4<\/sub>2-<\/sup> \u0111\u1ea1t 15,67%.<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

Thi\u1ebft b\u1ecb t\u1ea1o n\u01b0\u1edbc ion n\u00f4ng nghi\u1ec7p nh\u1eb1m \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 v\u1eadt l\u00fd t\u1eeb tr\u01b0\u1eddng v\u00e0 \u0111i\u1ec7n ph\u00e2n x\u1eed l\u00fd n\u01b0\u1edbc nhi\u1ec5m m\u1eb7n \u01b0u \u0111i\u1ec3m c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c l\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh d\u1ef1a theo th\u00f4ng s\u1ed1 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a ngu\u1ed3n n\u01b0\u1edbc m\u00e0 t\u00edch h\u1ee3p sao cho ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng \u0111i\u1ec7u ki\u1ec7n c\u1ee5 th\u1ec3, l\u00e0m gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i t\u00edch l\u0169y trong v\u00f9ng r\u1ec5, c\u1ea3i thi\u1ec7n s\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y tr\u1ed3ng tr\u00ean \u0111\u1ea5t m\u1eb7n, t\u0103ng k\u00edch th\u01b0\u1edbc ph\u1ea7n l\u00e1 kh\u1ea3 n\u0103ng trao \u0111\u1ed5i ch\u1ea5t c\u1ee7a c\u00e2y \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n r\u00f5 r\u1ec7t. Ngo\u00e0i ra c\u00f2n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00f9ng ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc h\u00f3a h\u1ecdc \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ea3i t\u1ea1o \u0111\u1ea5t v\u00e0 t\u0103ng n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng.<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

T\u1eeb thi\u1ebft b\u1ecb t\u1ea1o n\u01b0\u1edbc ion n\u00f4ng nghi\u1ec7p cho th\u1ea5y c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd t\u1eeb t\u00ednh c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a n\u01b0\u1edbc gi\u00fap c\u00e2y tr\u1ed3ng h\u1ea5p th\u1ee5 d\u01b0\u1ee1ng ch\u1ea5t trong \u0111\u1ea5t v\u00e0 ph\u00e2n b\u00f3n t\u1ed1t h\u01a1n, tr\u00e1nh d\u01b0 l\u01b0\u1ee3ng ph\u00e2n b\u00f3n trong \u0111\u1ea5t qu\u00e1 cao d\u1eabn \u0111\u1ebfn b\u1ea1c m\u00e0u, g\u00f3p ph\u1ea7n ph\u1ee5c h\u1ed3i di\u1ec7n t\u00edch \u0111\u1ea5t canh t\u00e1c \u0111ang ng\u00e0y c\u00e0ng b\u1ecb thu h\u1eb9p, \u0111\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p ti\u1ec1m n\u0103ng v\u00e0 h\u1eefu hi\u1ec7u \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 m\u00f4i tr\u01b0\u1eddng n\u00f3i chung v\u00e0 l\u0129nh v\u1ef1c n\u00f4ng nghi\u1ec7p n\u00f3i ri\u00eang trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

Nguy\u1ec5n Th\u1ecb V\u00e2n<\/strong><\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u \u0111\u1ebfn x\u00e2m nh\u1eadp m\u1eb7n \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long d\u1eabn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong canh t\u00e1c v\u00e0 sinh ho\u1ea1t b\u1ecb suy gi\u1ea3m. \u0110\u1ea5t nhi\u1ec5m ph\u00e8n, nhi\u1ec5m m\u1eb7n l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng nguy hi\u1ec3m \u1ea3nh h\u01b0\u1edfng x\u1ea5u t\u1edbi s\u1ef1 sinh tr\u01b0\u1edfng c\u1ee7a nhi\u1ec1u lo\u1ea1i c\u00e2y tr\u1ed3ng. \u1ede Vi\u1ec7t […]<\/p>\n","protected":false},"author":25,"featured_media":30528,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-30044","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/30044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=30044"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/30044\/revisions"}],"predecessor-version":[{"id":30530,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/30044\/revisions\/30530"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/30528"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=30044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=30044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=30044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}