... . A high-efficient soil conditioner. Chemical NPK Fertilizer GranularChemical NPK Fertilizer Granular can improve soils fertility, and ... organic matter: 20% + Ca, Mg, Zn, Fe, etc.2.3 NPK: 12-8-15 with seaweed: 10% + organic matter: 20% + ... 20% + Ca, Mg, Zn, Fe, etc.2.7 NPK: 2-2-3 with seaweed: 10% + organic matter: 50% + Ca, ... Mg, Zn, Fe, etc.2.8 NPK: 2-2 ...