... 0.1% 4,Appearance:yellow crystalline powder EDTA fertilizer1, Chemical name: Ethylenediaminetetraacetic acid, ferric sodium complex 2, HS ... water soluble metal chelate, mainly used In agriculture and horticulture and iron is present in a chelated form. Specification: 1, ... trains. Our rock phosphate fertilizer are well used in such fertilizer industries as DAP, MAP,UP, FMP, SSP, TSP, MKP, DCP, MDCP, ...