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  • Shandong Chuangxin Humic Acid Technology Co.,Ltd

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Shandong Chuangxin Humic Acid Technology Co.,Ltd

Nhà > Thông tin ngành > The effects and differences of humic acid and fulvic acid
Thông tin ngành

The effects and differences of humic acid and fulvic acid

2018-12-10

Humic acid Humic acid is the remains of plants and animals, mainly plant remains, after the decomposition and transformation of microorganisms, and a series of complex chemical reactions and accumulated a class of organic substances. It is a high-molecular organic acid composed of aromatic and its various functional groups, has good physiological activity and absorption, complexation, exchange and other functions. The main elemental composition of humic acid is carbon, hydrogen, oxygen, nitrogen, sulfur, and is a polycondensation product of polyvalent phenolic aromatic compounds and nitrogen compounds. Widely distributed in low-grade coal, soil, water sediments, animal excrement, organic fertilizers, animal and plant residues, etc.

The black soil we see is because it contains humic acid (the soil that contains no or less humic acid is yellow), and the highest level of humic acid is in low-grade coal (weathered coal, lignite, peat) (about 30%). ~80%), followed by organic compost (about 5%~20%). Artificially oxidized coal (eg, treated with air, ozone, or nitric acid) can form regenerated humic acid.

In accordance with the solubility and color classification in the solvent, can be divided into three components: 1 dissolved in acetone or ethanol as part of fulvic acid; 2 insoluble in acetone known as humic acid; 3 soluble in water or dilute The acid part is called fulvic acid.

It can be used in agriculture as a nutrient additive, rooting and strong root fertilizer additive, soil conditioner, plant growth regulator, foliar fertilizer compound, cold-resistance agent, drought-resistant agent, compound fertilizer synergist, and nitrogen, phosphorus and potassium. The humic acid fertilizers made by combining other elements have the functions of increasing fertilizer efficiency, improving soil, stimulating crop growth, and improving the quality of agricultural products. Magnesium humate, zinc humate, and urea and humic acid have good effects in supplementing magnesium deficiency in soil, zinc deficiency in corn, and iron deficiency in fruit trees. The combination of humic acid, herbicidal ether, atrazine and other pesticides can improve the efficacy of the drug. Suppresses residual drug; sodium humate is effective in treating apple tree rot.

Wide-spectrum plant growth regulators for fulvic acid, which can promote plant growth, especially control the openness of crop leaf stomata, reduce transpiration, play an important role in combating drought, can improve stress resistance, increase production, and improve quality. Main application objects For wheat, corn, sweet potato, millet, rice, cotton, peanuts, rape, tobacco, sericulture, fruits, vegetables, etc.; can be mixed with some non-alkaline pesticides, and often synergies.

Amino acid amino acids play three roles in plant growth: 1 Supplementary sources of organic nitrogen nutrients; 2 Metal ion chelators. Amino acids have the function of complexing (chelating) metal ions, and it is easy to carry the plant's required middle and trace elements (calcium, magnesium, iron, manganese, zinc, copper, molybdenum, boron, selenium, etc.) into plants. Improve plant utilization of various nutrients; 3 enzymatic preparations. Amino acids are promoters and catalysts for synthesizing various enzymes in plants and play an important role in plant metabolism. However, amino acids are easily assimilated and decomposed by bacteria in the soil. Therefore, they should not be used as a basal fertilizer in soil, but as a foliar fertilizer, sprayed on the leaves to allow plants to directly absorb amino acids and other elements through the foliage.

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