Humic acid can increase the utilization of mineral fertilizers effectively in soil, promote the soil structure, increase the capacities of the earth water holding, cation exchange and aeration condition stimulate activities of soil microorganism, and reduce pollutants in the soil. It promotes the plant photosynthesis, increases crop yield, and improves the quality of agricultural products.
(1)It has abundant nutrient and long fertilizer efficiency. It can promote the healthy growth of plants stably and continuously.
(2)Activate the soil nutrients and improve the fertilizer using ratio.
(3)Improve the soil structure. Strengthen the water conservation and fertilizer conservation ability.
(4)Strengthen the plants' ability of stress resistance, disease resistance and drought resistance. Prevent plant diseases and insect pests. Lower the production cost.
(5) Reduce farmland pollution. Lower the nitrate and heavy metal content in the soil.
(6) Improve the plant quality and yield.