Fertiliser Conversion Rates
General Conversion table for Fertiliser products N to NO3 conversion - multiply by 4.4266 P to P2O5 conversion - multiply by 2.2951 K to K2O conversion - multiply by 1.2046 S to SO3 conversion - multiply by 2.50 S to SO4 conversion - multiply by 3.00 Ca to CaO conversion - multiply by 1.3392 Ca to CaO3 conversion - multiply by 2.4973 Mg to MgO conversion - multiply by 1.6579 Mg