It belongs to the nitrogen and potassium compound fertilizer, which can provide a large amount of nitrogen and potassium required by plants and has a significant effect on strong fruit and leaf expansion. It is a high-grade fertilizer. Nitrate nitrogen can quickly provide nutrients under any conditions, suitable for crop growth in all seasons, and will not cause soil salt accumulation. Agricultural potassium nitrate has no chlorine or sodium, low salt index, good water solubility but no moisture absorption, high nutritional content, and fast fertilizer efficiency.