A technique is explained with the production of a nonhygroscopic fertilizer from apatite by therapy with hydrochloric acid. A magmatic origin is recommended for your Eppawala apatite bodies. A metasedimentary origin may also be supported. The senior author is presently in control of a study undertaking having a look at https://tspforsrilankanvegetables24567.jts-blog.com/31220964/not-known-details-about-tsp-for-sustainable-practices-sri-lanka