Apatite is acidulated with HCl into the stoichiometric stage necessary for building dicalcium phosphate. The reaction product when mixed with ammonium sulphate ample to doubledecompose calcium chloride and dicalcium phosphate yields a nonhygroscopic product containing Just about all phosphorus inside the h2o-soluble form. Apatite in Sri Lanka is mined from https://tspforsrilankancrops69023.estate-blog.com/34760478/a-simple-key-for-tsp-for-crop-rotation-sri-lanka-unveiled