Humic acid powder is a mixture of organic macromolecular compounds that widely exists in nature. Due to its unique physiological functions, it has been widely used in agricultural production in recent years. Suitable for fruit trees, tea, citrus, grapes, strawberries, various trees, flowers, melons, vegetables, rice and other crops.
Humic acid powder is a mixture of organic macromolecular compounds that widely exists in nature. Due to its unique physiological functions, it has been widely used in agricultural production in recent years. In addition to improving soil, improving fertilizer efficiency, and promoting crop growth, its role in plant stress resistance has also received increasing attention.
Specification of Humic acid powder
Appearance: powder
Free humic acid (dry basis):≥60%/≥50%
Organic matter: ≥85.0%/≥80.0%
PH:4-6
C.E.C:≥200meq/100g
Powder fineness: 60 mesh
Application of Humic acid powder
Suitable for fruit trees, tea, citrus, grapes, strawberries, various trees, flowers, melons, vegetables, rice and other crops.
Effect of Humic acid powder: improve soil
(1) Promote the formation of soil aggregates.
Humic acid can promote the formation of soil aggregate structure, and the application of organic fertilizers to the soil can also improve the soil structure. This is mainly through the slow transformation of soil microorganisms. If humic acid fertilizers are frequently applied, this transformation process will be accelerated.
(2) Conducive to the regulation of water, fertilizer, air and heat conditions in the soil.
When the soil aggregates become better, its bulk density decreases, porosity increases, and it has good permeability. The heat emitted when humic acid fertilizers are decomposed by microorganisms, especially in early spring when crop seedlings are just emerging, can increase the low temperature and play a role in resisting spring cold.
(3) Transform barren soil and saline-alkali land.
Long-term application of humic acid fertilizers will fundamentally transform poor soil into fertile farmland. The use of humic acid fertilizers in the south to improve "acid, barren, slab, and dry" red soil has also achieved outstanding results. Since the acidity of humic acid can neutralize the alkalinity of saline-alkali land, humic acid can adjust the pH of the soil to achieve the effect of controlling saline-alkali.
(4) Promote the activity of soil microorganisms.
After applying humic acid fertilizers to the soil, it has an intensifying effect on the activity of microorganisms in the soil. In particular, the soil autogenic nitrogen-fixing bacteria significantly increases, which can significantly increase the nitrate content, enrich the nitrogen nutrition of the soil, and improve crops. Nutritional conditions of the root system. As humic acid (original powder, humic acid content above 50%) that increases organic matter and improves soil, at least 300kg per mu and up to 1000kg for 3 consecutive years or more. For improving saline-alkali soil, sandy soil, white mud soil, etc., It has very good effect.
Appearance | powder | Round particles | Irregular particles |
Free humic acid (dry basis) | ≥60%/≥50% | ≥60%/≥50% | 60%-70% |
Organic matter | ≥85.0%/≥80.0% | ≥85.0%/≥80.0% | ≥80.0% |
PH | 4-6 | 4-6 | 4-6 |
C.E.C | ≥200meq/100g | ≥200meq/100g | ≥200meq/100g |
Powder fineness | 60mesh | / | / |
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