Yingfengyuan Industrial Group Limited is one of the leading China potassium nitrate agriculture fertilizer manufacturers and suppliers,Website: , equipped with professional factory, we are able to offer you best and cheap potassium nitrate agriculture fertilizer products.Molecular  formula: KNO3 Molecular weight: 101.1 Nitrogen: 13.5% K2O : 45% INTRODUCTION: Potassium Nitrate is  the base of a comprehensive line of plain and enriched potassium nitrate  products. It contains 100% plant macronutrients in the form of 45% K2O plus 13.5% N-NO3, together making it one of the most concentrated fertilizersMolecular formula: KNO3Molecular weight: 101.1Usage:Used in compound fertilizer and foliar  spray fertilizer for vegetable, fruits, crop and flower.Package: 5kg, 10kg, 25kg, 50kg/pp woven bagAPPLICATIONS:1. Fertigation of hydroponics  and greenhouse crops2. Production of top-quality  liquid fertilizers3. Raw material for blending  fertilizerItemUnitGrade Nitrogen%Min13.5 K2O %Min 45Chloride%Max0.36Moisture%Max0.12