... c.model NO.: 15-15-15 d.stype: granular NPK compound fertilizer 1,Detailed Product Description: N (nitrogen) promotes leaf ... proteins. The common inorganic fertilizers include ammonia (82% nitrogen), NPK combinations, urea (46% nitrogen), superphosphate, mono and dibasic ... fruit plants, vegetables,etc. CL-NPK is co monly used on paddy rice, fruits and vegetables, trees,etc. NPK Compound fertilizer