amino acid with NPK, good effects for all crops, rich in nutrients for plants. Amino acid with NPK SpecificationNPK:4-5-6MgO: 1%B2O3:0.5%Color: dark colorDosage: Base fertilizer or ground fertilizer:10kg fertilizer mix with 10kg water or liquid dung to irrigate directly, or mix with other compound fertilizer to spray, fit for all crops.Foliar fertilizerDilute directly 800 to 1000 ratio to spray, ...