NPK Compound Fertilizer 20-10-10 with 2-4 mm N: 20% MIN P:10% MIN K:10% ... 16, 16-20-0, 23-21-0, 15-15-0 4.PK granular: 0-5-50, 0-12-17, 0-15-15, 0-18-18, 0-10-205.Ammonium ... Sulphate,: 21%N, crystal powder, white ... Granular Urea 46, etc.7.Ammonium sulfate : N: 20.5% ,White granular 2-4mm. NPK Compound Fertilizer 20-10-10 with ...