1. This product is pure natural raw materials, excluding other invalid chemical composition and salts, chloride ion, etc., especially suitable for chlorine crops, avoid applying won't appear in the accumulation of salts and cause soil harden; 2. This product is crop quality nutritional products, is a high quality nitrogen, potash, inclusive of our 13.5% nitrate, potassium nitrate, 46% do not contain harmful impurities, can provide adequate nutrition to crops; 3. This product has excellent readily availability, contain nitrogen nitrate nitrogen, nitrate nitrogen can promote the absorption of potassium and other cations, under any conditions, nitrate nitrogen can quickly provide nutrients, crop absorb very quickly. Even in dry soil, fertilizer effect will not be affected. 4. This product is water soluble, fine in water solubility increases with temperature rise and sharp, effective components in water soluble state can be absorbed by the plants rapidly; 5. The use of potassium nitrate can accelerate crop growth, promote fruit enlargement, increase crop yield, enhance crops resistance and improve quality, extend the freshness.