It is white granular which dissolves in water absolutely. It is a new type of high-efficient compound fertilizer. It contains nitrogen and calcium, and also supplies nitrogen to plant quickly. The nutrient is more than ammounium nitrate, and can be absorbed by the plant directly. This product is a neutral fertilizer and can improve the quality of soil. It can change the PH value of the soil, loosen the soil, reduces the density of active aluminium. Meanwhile, it offers water soluble calcium and improves the resistance to the disease of plant. it can lengthen the florescence, promote the root, stem, leaf to grow normally, ensure the color of the fruit is bright and sweeten the fruit.