Fertilizer Encyclopedia: Water-soluble Humic Acid Fertilizer and Its Function

The extraction (or extraction) of humic acid and fulvic acid refers to the separation of humic acid (such as fulvic acid ) from raw materials using solvents such as strong alkalis, neutral salts, organic acid salts, organic solvents and organic chelates. The process of coming out. Improve the chemical and biological activities of humic acid (such as fulvic acid ) by technical conditions (acidification, sulfonation, nitrification, degradation, oxidation, etc.) .

Generally refers to water-soluble humic acid, fulvic acid, humic acid or monovalent salt NHA and fulvic acid in the water soluble portion.

Characteristics of water-soluble humic acid fertilizer

Water-soluble fertilizer (Water Soluble Fertilizer, referred to as WSF) is completely dissolved in water, refers to a multi-element composite fertilizer having instant, absorption rate, quick, residue-free, easy administration and other significant advantages. Water-soluble humic acid fertilizer refers to a liquid or solid water-soluble fertilizer prepared by adding humic acid in a proportion suitable for plant growth, adding a large amount of nitrogen, phosphorus, potassium or a trace element such as zinc, boron, iron, molybdenum, manganese or copper. . The water-soluble humic acid fertilizer is dissolved or diluted in water, and is used for fertigation, foliar fertilization, soilless cultivation, soaking and rooting. Its characteristics are:

First, the use of modern technology to purify water-soluble humic acid, compounding large, medium, micro, and special elements to form a new type of fertilizer has significant effects, providing a favorable guarantee for the production of green healthy food, reducing environmental pollution, and reducing farmers' production costs.

Second, water-soluble humic acid fertilizer can significantly increase nitrogen, dissolve phosphorus and promote potassium in the soil, cultivate soil fertility, and promote crop root development.

Third, water-soluble humic acid fertilizers are widely used in food crops, cash crops, oil crops, and flowers, etc., and have a wide range of crops and a wide range of use concentrations.

Fourth, the water-soluble humic acid fertilizer has a reasonable nutritional mix and synergistic nutrition, which can greatly reduce the use of chemical fertilizers and pesticides.

Fifth, water-soluble humic acid fertilizer is economical, safe, convenient and efficient.

The water-soluble humic acid fertilizer can be a multi-component composite. Among them, a large number of elemental products are classified into solid or liquid, and the trace element type products are only solid dosage forms.

Fusion of humic acid and large fertilizer

As a fusion of large fertilizers, humic acid can be combined with N , P , K , one-way fusion, binary fusion or ternary fusion, such as humic acid nitrogen fertilizer, humic acid phosphate fertilizer, humic acid potassium fertilizer, and humic acid compound fertilizer. The humic acid fusion N , P , K has the characteristics of flexibility, variety, outstanding function, high efficiency and high utilization rate, and can achieve the integration effect of 1 + 1 > 2 .

The combination of humic acid and nitrogen fertilizer forms a humic acid nitrogen fertilizer with both quick-acting and sustained-release, reducing nitrogen fertilizer loss and ammonia pollution. Humic acid provides 10% nitrogen utilization , which can increase crop yield by more than 15% .

The combination of humic acid and phosphate fertilizer can reduce the fixation of phosphorus and increase the utilization of phosphorus. At the same time, humic acid can also activate the fixed phosphorus in the soil and increase the phosphorus supply level in the soil. The combined phosphorus supply value is generally 6.7 ~ 8.3 mg / kg , and the humic acid compound phosphate fertilizer can increase the crop yield by 10%. the above.

The combination of humic acid and potassium fertilizer forms a humic acid potassium fertilizer with both humic acid fast-acting and sustained-release, and even humic acid is combined with potassium ion ( K+ ), which is more reliable than humic acid and ammonium ion ( NH4+ ). Potassium humate is very water-soluble, does not limit the absorption of plants, and only makes the fertilizer more lasting. Studies have shown that humic acid can increase the potassium uptake of crops by more than 30% and increase yield by more than 12% .

Fusion of humic acid and special fertilizer

Combined with the characteristics of humic acid, it can develop special fertilizers for field crops, special fertilizers for economic crops, special fertilizers for flower cultivation, and seedlings for breeding seedlings.

The development of functional fertilizers has become an urgent need for agricultural production . The use of humic acid to complex selenium, zinc, magnesium and other water-soluble fertilizers, cultivation and production of mushrooms, apples, rice and other products rich in the above elements, not only taste good It is also easy to absorb and plays an important role in enhancing immunity.

Water soluble humic acid fertilizer registration

As of March 2012, the Ministry of Agriculture registered a total of 1292 water-soluble humic acid products (including "agricultural fertilizer associate the word" 276 "temporary agricultural fertilizer word" 1016), suitable for vegetable crops including cabbage, spinach, cabbage, Asparagus, kale, mustard, cabbage and other green leafy vegetables, amaranth, watermelon, melon, cucumber, pepper, tomato and other solanes, melons, carrots, potatoes and other root vegetables, yam and other three categories. In addition, it involves rice, corn, wheat and other field crops, cotton, soybeans, peanuts, sugar beets, rapeseed, garlic, alfalfa, tea, tobacco and other economic crops, strawberries, grapes, dates, pears, longan, citrus Thousands of varieties of fruit and fruit categories; 845 companies involved in 29 provinces, municipalities and autonomous regions .

 

 

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