{"id":10259,"date":"2020-03-30T11:37:54","date_gmt":"2020-03-30T03:37:54","guid":{"rendered":"https:\/\/www.humicchina.com\/?p=10259"},"modified":"2025-08-04T18:40:47","modified_gmt":"2025-08-04T10:40:47","slug":"effect-and-mechanism-of-fulvic-acid-on-agriculture","status":"publish","type":"post","link":"https:\/\/www.humicchina.com\/vi\/blog\/effect-and-mechanism-of-fulvic-acid-on-agriculture.html","title":{"rendered":"T\u00e1c d\u1ee5ng v\u00e0 c\u01a1 ch\u1ebf c\u1ee7a axit fulvic trong n\u00f4ng nghi\u1ec7p."},"content":{"rendered":"

Axit Fulvic<\/span><\/span><\/strong><\/a> l\u00e0 th\u00e0nh ph\u1ea7n nh\u1ecf nh\u1ea5t v\u00e0 ho\u1ea1t t\u00ednh nh\u1ea5t trong axit humic. N\u00f3 l\u00e0 b\u1ea3n ch\u1ea5t c\u1ee7a axit humic. T\u00e1c d\u1ee5ng c\u1ee7a axit fulvic l\u00e0 \u1ed5n \u0111\u1ecbnh nh\u1ea5t trong n\u00f4ng nghi\u1ec7p.<\/span><\/span> C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3 l\u00e0 nh\u01b0 sau,<\/span><\/span><\/span><\/p>\n

<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Axit Fulvic trong N\u00f4ng nghi\u1ec7p<\/span><\/span><\/span><\/h2>\n

1)Tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed c\u1ee7a axit fulvic nh\u1ecf v\u00e0 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 v\u00e0 s\u1eed d\u1ee5ng b\u1edfi th\u1ef1c v\u1eadt.<\/span><\/span><\/p>\n

2)H\u00e0m l\u01b0\u1ee3ng nh\u00f3m ch\u1ee9c n\u0103ng c\u1ee7a axit fulvic nhi\u1ec1u h\u01a1n axit humic chung, ho\u1ea1t \u0111\u1ed9ng sinh l\u00fd t\u1ed1t h\u01a1n.<\/span><\/span><\/p>\n

3)Kh\u1ea3 n\u0103ng ph\u1ee9c h\u1ee3p c\u1ee7a c\u00e1c ion kim lo\u1ea1i m\u1ea1nh h\u01a1n.<\/span><\/span><\/p>\n

4)Axit humic kh\u00f4ng th\u1ec3 h\u00f2a tan tr\u1ef1c ti\u1ebfp trong n\u01b0\u1edbc, v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh kali, natri v\u00e0 c\u00e1c mu\u1ed1i kim lo\u1ea1i \u0111\u01a1n h\u00f3a tr\u1ecb kh\u00e1c ho\u1eb7c mu\u1ed1i amoni \u0111\u1ec3 h\u00f2a tan trong n\u01b0\u1edbc. Dung d\u1ecbch n\u01b0\u1edbc c\u1ee7a c\u00e1c mu\u1ed1i n\u00e0y tr\u1edf th\u00e0nh ki\u1ec1m, trong khi axit fulvic h\u00f2a tan tr\u1ef1c ti\u1ebfp trong n\u01b0\u1edbc v\u00e0 dung d\u1ecbch n\u01b0\u1edbc c\u1ee7a n\u00f3 tr\u1edf th\u00e0nh axit.<\/span><\/span><\/p>\n

\"fulvic<\/p>\n

\u1ea2nh h\u01b0\u1edfng c\u1ee7a axit fulvic tr\u00ean \u0111\u1ea5t, ph\u00e2n b\u00f3n v\u00e0 c\u00e2y tr\u1ed3ng trong n\u00f4ng nghi\u1ec7p nh\u01b0 sau,<\/span><\/span><\/p>\n

1. Axit Fulvic trong c\u1ea3i thi\u1ec7n \u0111\u1ea5t n\u00f4ng nghi\u1ec7p<\/span><\/span><\/span><\/h2>\n

1)C\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac \u0111\u1ea5t t\u1ed5ng h\u1ee3p.<\/span><\/span><\/span><\/h3>\n

Axit Fulvic thu\u1ed9c v\u1ec1 c\u00e1c ch\u1ea5t humic, c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t c\u1ee7a \u0111\u1ea5t, th\u00fac \u0111\u1ea9y \u0111\u1ea5t h\u00ecnh th\u00e0nh c\u1ea5u tr\u00fac c\u1ed1t h\u1ee3p \u1ed5n \u0111\u1ecbnh h\u01a1n, t\u0103ng h\u00e0m l\u01b0\u1ee3ng c\u1ed1t h\u1ee3p \u2265 0,25 mm trong \u0111\u1ea5t l\u00ean 10-20%, v\u00e0 t\u0103ng h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t h\u1eefu c\u01a1 l\u00ean 10%, c\u00f3 th\u1ec3 gi\u1eef \u0111\u1ed9 \u1ea9m \u0111\u1ea5t v\u00e0 t\u0103ng th\u00f4ng gi\u00f3, c\u00f3 l\u1ee3i cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 gi\u1eef n\u01b0\u1edbc \u0111\u1ea5t.<\/span><\/span>\"fulvic<\/p>\n

Axit Fulvic l\u00e0 m\u1ed9t lo\u1ea1i keo \u01b0a n\u01b0\u1edbc c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u01b0\u1edbc m\u1ea1nh.\u0110\u1ed9 h\u1ea5p th\u1ee5 n\u01b0\u1edbc t\u1ed1i \u0111a c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 500%. Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u01b0\u1edbc h\u1ea5p th\u1ee5 t\u1eeb b\u1ea7u kh\u00ed quy\u1ec3n b\u00e3o h\u00f2a c\u00f3 th\u1ec3 \u0111\u1ea1t h\u01a1n g\u1ea5p \u0111\u00f4i tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a ch\u00ednh n\u00f3, cao h\u01a1n nhi\u1ec1u so v\u1edbi ch\u1ea5t keo kho\u00e1ng th\u00f4ng th\u01b0\u1eddng. Axit fulvic \u1ee9c ch\u1ebf s\u1ef1 tr\u00f4i ch\u1ea3y c\u1ee7a c\u00e2y tr\u1ed3ng v\u00e0 l\u00e0m ch\u1eadm ti\u00eau th\u1ee5 n\u01b0\u1edbc trong \u0111\u1ea5t v\u00e0 l\u00e0m t\u0103ng h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc trong \u0111\u1ea5t cho ph\u00f9 h\u1ee3p.<\/span><\/span><\/p>\n

2)T\u0103ng c\u01b0\u1eddng b\u1ea3o t\u1ed3n \u0111\u1ed9 m\u00e0u m\u1ee1 \u0111\u1ea5t.<\/span><\/span><\/span><\/h3>\n

B\u1ea3n th\u00e2n axit Fulvic l\u00e0 m\u1ed9t axit h\u1eefu c\u01a1, kh\u00f4ng ch\u1ec9 l\u00e0m t\u0103ng s\u1ef1 h\u00f2a tan c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn kho\u00e1ng ch\u1ea5t trong \u0111\u1ea5t, cung c\u1ea5p ch\u1ea5t dinh d\u01b0\u1ee1ng cho \u0111\u1ea5t, m\u00e0 c\u00f2n l\u00e0m t\u0103ng s\u1ef1 s\u1eb5n c\u00f3 c\u1ee7a ch\u1ea5t dinh d\u01b0\u1ee1ng th\u00f4ng qua ph\u1ee9c t\u1ea1p h\u00f3a. L\u00e0 m\u1ed9t ch\u1ea5t keo h\u1eefu c\u01a1, axit fulvic c\u00f3 c\u1ea3 \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng v\u00e0 \u00e2m, c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 anion v\u00e0 cation, do \u0111\u00f3 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong \u0111\u1ea5t m\u00e0 kh\u00f4ng m\u1ea5t n\u01b0\u1edbc v\u00e0 t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong \u0111\u1ea5t c\u00e1t.<\/span><\/span><\/p>\n

\"fulvic<\/span><\/h3>\n

3)\u0110i\u1ec1u ch\u1ec9nh PH.<\/span><\/span><\/span><\/h2>\n

Axit fulvic v\u00e0 mu\u1ed1i axit fulvic chuy\u1ec3n \u0111\u1ed5i l\u1eabn nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ec7m, do \u0111\u00f3 \u0111\u00f3ng vai tr\u00f2 \u0111i\u1ec1u ch\u1ec9nh pH c\u1ee7a dung d\u1ecbch \u0111\u1ea5t.<\/span><\/span><\/p>\n

4)Gi\u1ea3m \u0111\u1ed9 m\u1eb7n c\u1ee7a \u0111\u1ea5t.<\/span><\/span><\/span><\/h3>\n

Axit fulvic, h\u00ecnh th\u00e0nh c\u1ea5u tr\u00fac keo b\u1eb1ng c\u00e1ch ph\u1ee9c t\u1ea1p h\u00f3a v\u00e0 chelating cation kim lo\u1ea1i trong \u0111\u1ea5t, v\u00e0 \u0111\u1ed9 x\u1ed1p c\u1ee7a n\u00f3 (l\u1edbn h\u01a1n b\u1ec1 m\u1eb7t) c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c ion ho\u1eb7c ph\u00e2n t\u1eed trong dung d\u1ecbch \u0111\u1ea5t v\u00e0 l\u00e0m gi\u1ea3m n\u1ed3ng \u0111\u1ed9 mu\u1ed1i trong dung d\u1ecbch \u0111\u1ea5t.<\/span><\/span><\/p>\n

2. T\u0103ng kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n<\/span><\/span><\/span><\/h2>\n

Axit fulvic ch\u1ee9a c\u00e1c nh\u00f3m carboxyl, nh\u00f3m hydroxyl phenolic v\u00e0 c\u00e1c nh\u00f3m ch\u1ee9c n\u0103ng kh\u00e1c. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee9c h\u1ee3p, chelation v\u00e0 h\u1ea5p th\u1ee5 b\u1ec1 m\u1eb7t m\u1ea1nh. M\u00e0 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m s\u1ef1 m\u1ea5t nit\u01a1 amoni, t\u0103ng kho\u1ea3ng c\u00e1ch di chuy\u1ec3n c\u1ee7a ph\u1ed1t pho trong \u0111\u1ea5t, \u1ee9c ch\u1ebf s\u1ef1 c\u1ed1 \u0111\u1ecbnh c\u1ee7a ph\u1ed1t pho tan trong n\u01b0\u1edbc trong \u0111\u1ea5t, chuy\u1ec3n \u0111\u1ed5i ph\u1ed1t pho kh\u00f4ng h\u1ee3p l\u1ec7 th\u00e0nh ph\u1ed1t pho c\u00f3 s\u1eb5n v\u00e0 th\u00fac \u0111\u1ea9y s\u1ef1 h\u1ea5p th\u1ee5 ph\u1ed1t pho b\u1edfi h\u1ec7 th\u1ed1ng r\u1ec5.<\/span><\/span><\/p>\n

Axit fulvic c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 v\u00e0 l\u01b0u tr\u1eef c\u00e1c ion kali, v\u00e0 t\u0103ng h\u00e0m l\u01b0\u1ee3ng kali c\u00f3 s\u1eb5n, \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u00e2n b\u00f3n kali. C\u00e1c th\u00ed nghi\u1ec7m cho th\u1ea5y axit fulvic c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng nit\u01a1, ph\u1ed1t pho v\u00e0 kali trong ph\u00e2n b\u00f3n l\u00ean h\u01a1n 20% \u0111\u1ec3 th\u00fac \u0111\u1ea9y n\u00f4ng nghi\u1ec7p.<\/span><\/span><\/p>\n

3. Thu\u1ed1c tr\u1eeb s\u00e2u gi\u1ea3i ph\u00f3ng ch\u1eadm<\/span><\/span><\/span><\/h2>\n

\"\"<\/p>\n

Axit Fulvic c\u00f3 ch\u1ee9c n\u0103ng ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t, c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 c\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a n\u01b0\u1edbc v\u00e0 nh\u0169 h\u00f3a v\u00e0 ph\u00e2n t\u00e1n thu\u1ed1c tr\u1eeb s\u00e2u; Axit Fulvic trong th\u1ef1c v\u1eadt, nh\u01b0 m\u1ed9t ch\u1ea5t keo c\u00f3 \u0111\u1ed9 nh\u1edbt v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn, c\u00f3 th\u1ec3 c\u00f3 t\u00e1c d\u1ee5ng h\u1ea5p th\u1ee5 v\u1eadt l\u00fd m\u1ea1nh m\u1ebd \u0111\u1ed1i v\u1edbi thu\u1ed1c tr\u1eeb s\u00e2u; B\u1ea3n th\u00e2n axit Fulvic c\u00f3 kh\u00e1ng khu\u1ea9n v\u00e0 kh\u00e1ng b\u1ec7nh, v\u00e0 h\u1ee3p ch\u1ea5t v\u1edbi thu\u1ed1c di\u1ec7t n\u1ea5m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a hai lo\u1ea1i thu\u1ed1c tr\u1eeb s\u00e2u.<\/span><\/span><\/p>\n

4. K\u00edch th\u00edch s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y<\/span><\/span><\/span><\/h2>\n

\"\"<\/p>\n

Axit fulvic t\u01b0\u01a1ng t\u1ef1 nh\u01b0 hormone n\u1ed9i sinh c\u1ee7a c\u01a1 th\u1ec3 th\u1ef1c v\u1eadt, c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 n\u1ea3y m\u1ea7m c\u1ee7a h\u1ea1t, s\u1ef1 ph\u00e1t tri\u1ec3n r\u1ec5 v\u00e0 ch\u00edn s\u1edbm c\u1ee7a m\u00e0u tr\u00e1i c\u00e2y. N\u00f3 cho th\u1ea5y nh\u01b0 sau, th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a r\u1ec5, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 hi\u1ec7u \u1ee9ng auxin; th\u00fac \u0111\u1ea9y s\u1ef1 n\u1ea3y m\u1ea7m c\u1ee7a h\u1ea1t gi\u1ed1ng, s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e2y con v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y con, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 hi\u1ec7u \u1ee9ng gibberellin;<\/span><\/span><\/p>\n

L\u00e0m cho l\u00e1 m\u1edf r\u1ed9ng, d\u00e0y, m\u00e0u xanh l\u00e1 c\u00e2y, tr\u00ec ho\u00e3n l\u00e3o h\u00f3a l\u00e1 th\u1ea5p h\u01a1n, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 hi\u1ec7u \u1ee9ng cytokinin; Gi\u1ea3m b\u1ee5ng, tr\u00f4i n\u01b0\u1edbc, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 hi\u1ec7u \u1ee9ng axit abscisic; S\u1edbm m\u00e0u, ch\u00edn, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 hi\u1ec7u \u1ee9ng ch\u00edn ethylene; Th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e2n chia t\u1ebf b\u00e0o v\u00e0 k\u00e9o d\u00e0i t\u1ebf b\u00e0o, s\u1ef1 ph\u00e2n bi\u1ec7t v\u00e0 c\u00e1c hi\u1ec7u \u1ee9ng kh\u00e1c, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 hi\u1ec7u \u1ee9ng c\u1ee7a hai ho\u1eb7c nhi\u1ec1u hormone th\u1ef1c v\u1eadt.<\/span><\/span><\/p>\n

5. N\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng n\u00f4ng nghi\u1ec7p<\/span><\/span><\/span><\/h2>\n

\"fulvic<\/span><\/h2>\n

Axit Fulvic t\u0103ng c\u01b0\u1eddng t\u1ed5ng h\u1ee3p \u0111\u01b0\u1eddng, tinh b\u1ed9t, protein, ch\u1ea5t b\u00e9o v\u00e0 c\u00e1c vitamin kh\u00e1c nhau, c\u00f3 th\u1ec3 k\u00edch th\u00edch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a enzyme polysaccharide, l\u00e0m cho polysaccharide th\u00e0nh monosaccharide h\u00f2a tan, \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ng\u1ecdt c\u1ee7a tr\u00e1i c\u00e2y; t\u0103ng t\u1ef7 l\u1ec7 t\u1ed5ng \u0111\u01b0\u1eddng so v\u1edbi nicotine, kali, clo trong l\u00e1 thu\u1ed1c l\u00e1, c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng l\u00e1 thu\u1ed1c l\u00e1; c\u1ea3i thi\u1ec7n h\u00e0m l\u01b0\u1ee3ng \u0111\u01b0\u1eddng t\u1ed5ng c\u1ed9ng v\u00e0 h\u00e0m l\u01b0\u1ee3ng vitamin C trong d\u01b0a h\u1ea5u, cantaloupe v\u00e0 c\u00e1c lo\u1ea1i tr\u00e1i c\u00e2y kh\u00e1c.<\/span><\/span><\/p>\n

6. T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng kh\u00e1ng c\u00e2y tr\u1ed3ng<\/span><\/span><\/span><\/h2>\n

\"\"<\/p>\n

Ch\u1ec9 s\u1ed1 kh\u00e1ng c\u1ef1 c\u1ee7a th\u1ef1c v\u1eadt (m\u1ed9t): H\u00e0m l\u01b0\u1ee3ng ABA (deacidization in plants: a plant hormone that inhibits growth). C\u00e2y s\u1ebd l\u00e0m t\u0103ng h\u00e0m l\u01b0\u1ee3ng ABA trong b\u1ea5t k\u1ef3 \u0111i\u1ec1u ki\u1ec7n ngh\u1ecbch c\u1ea3nh n\u00e0o. Axit abscisic l\u00e0 “s\u1ee9 gi\u1ea3 \u0111\u1ea7u ti\u00ean” b\u1eaft \u0111\u1ea7u s\u1ef1 bi\u1ec3u hi\u1ec7n c\u1ee7a c\u00e1c gen ch\u1ed1ng c\u0103ng th\u1eb3ng trong th\u1ef1c v\u1eadt v\u00e0 k\u00edch ho\u1ea1t hi\u1ec7u qu\u1ea3 h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch ch\u1ed1ng c\u0103ng th\u1eb3ng trong th\u1ef1c v\u1eadt.<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Axit Fulvic l\u00e0 th\u00e0nh ph\u1ea7n nh\u1ecf nh\u1ea5t v\u00e0 ho\u1ea1t t\u00ednh nh\u1ea5t trong axit humic. N\u00f3 l\u00e0 b\u1ea3n ch\u1ea5t c\u1ee7a axit humic. T\u00e1c d\u1ee5ng c\u1ee7a axit fulvic l\u00e0 \u1ed5n \u0111\u1ecbnh nh\u1ea5t trong n\u00f4ng nghi\u1ec7p. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3 l\u00e0 nh\u01b0 sau,<\/p>\n","protected":false},"author":1,"featured_media":7515,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Effect and mechanism of fulvic acid in agriculture.","_yoast_wpseo_metadesc":"Fulvic acid in plants is the smallest and most active component in humic acid The effect of fulvic acid is the most stable in 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