The NPK type has very much, according to customer demand production. 15-15-15 Specifications Assay N ≥ 15% P2O5 ≥ 15% K2O ≥ 15% PackingIn woven bag with plasitc lining 25kg 19-19-19 Specifications Assay N ≥ 19% P2O5 ≥ 19% K2O ≥ 19% PackingIn woven bag with plasitc lining 25kg 20-20-20 Specifications Assay N ≥ 20% P2O5 ≥ 20% K2O ≥ 20% PackingIn woven bag with plasitc lining 25kg 19-19-19+TE Specifications Assay N ≥ 19% P2O5 ≥ 19% K2O ≥ 19% EDTA-Fe ≥ 1000PPM EDTA-Mn ≥ 500PPM EDTA-Zn ≥ 100PPM EDTA-Cu ≥ 100PPM Mg ≥ 300PPM Mo ≥ 10PPM PackingIn woven bag with plasitc lining 25kg