What are the main roles of humic acid
What are the main roles of humic acid?
Application of humic acid fertilizer and organic-inorganic compound fertilizer compared with the application of chemical fertilizers : the general field of grain and oil crops 8 % to 20 %, fruits and vegetables, cash crops generally increased by 15 % to 35 %. Humic acid fertilizer is called 4 agents in the industry because of its special efficacy : slow-release agent of nitrogen fertilizer, synergist of phosphate fertilizer, protective agent of potash fertilizer, chelating agent of medium and trace elements.
The role of potassium humic acid is divided into three aspects : physical, chemical and biological effects.
1. Physical effects are mainly manifested in : improving soil structure. Combat soil cracking and erosion. Increase soil water holding capacity and improve cold resistance. Darkening the soil color is conducive to the absorption of solar energy.
2. Chemical action mainly displays in : adjust soil PH value. Improve and optimize plant nutrient and water absorption. Increase soil buffering capacity. Under alkaline conditions, it is a natural chelating agent ( chelated with metal ions, promoted by plant absorption ). Rich in organic matter and minerals necessary for plant growth. Improve the solubility of organic fertilizer, reduce fertilizer loss. Transform nutrient elements into easily absorbed states by plants. It can strengthen the absorption of nitrogen by plants, reduce the fixation of phosphorus, store nitrogen, phosphorus and potassium in soil, accelerate the process of nutrients entering plants, and improve the application effect of inorganic fertilizers.
3. Biological effects are mainly manifested in : stimulating the growth and reproduction of beneficial microorganisms in soil. Improve the ability of plants to resist natural diseases and pests.
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