Bio Grade Black Color Potassium Humic Acid 98% Fertilizer For Agriculture Powder

The black color K 98% Agriculture fertilizer has the fertilizer function of improving the root absorption, increasing the water retention and soil acidification, stimulating cell division, providing macro- and micro- nutrients in the higher level, maintaining high yield of agricultural crops, inhibiting pathogens and reducing off-season diseases. Our Black Humic Acid 98% is a semi-solid, black powder extracted from the leonardite, which is a natural mineral product. This fertilizer is produced through several unique processes to ensure its purity and homogeneity. It can be used in different agricultural crops like rice, wheat, soybean, corn to improve the yield and quality.Affected by the different ecological environmental factors, the crops has a shortage of multiple kinds of organic nutrient elements, which will make growth and development abnormal. Especially the alkali element, the shortage was even more serious. So this kind of fertilizer can be very effective in supplying necessary trace material for crops' metabolism, and change the diseases situation effectively through introducing potassium humic acid into the root system.