36% Enriched Superphosphate Fertilizer 1,Total P2O5:36.0% 2,Valid P2O5:34. ... -solubility P2O5:27.0% 4,Moisture:5%max 36% Enriched Superphosphate Fertilizer 1, Other Name(s): (DSP)Double Superphosphate2, Standard:Q ... , S Korea, Malaysia, B'Desh, Japan and Australia. 36% Enriched Superphosphate Fertilizer