A way is explained for the production of a nonhygroscopic fertilizer from apatite by treatment with hydrochloric acid. Mineralogical, chemical and solubility versions during the Eppawala phosphate deposit of Sri Lanka — a circumstance for selective mining for fertilizers  Allow me ... https://tspforsrilankanfruits24689.elbloglibre.com/35671242/not-known-factual-statements-about-tsp-for-soil-amendments-sri-lanka