A technique is described to the production of the nonhygroscopic fertilizer from apatite by therapy with hydrochloric acid. Kethata Aruna", is the prevailing fertilizer subsidy programme for paddy sector, which was executed in 2005 in Sri Lanka. Less than this subsidy programme, the a few important fertilizers, i.e. Urea, Triple https://organic-tsp-sri-lanka53467.creacionblog.com/35453594/tsp-for-fruit-trees-in-sri-lanka-for-dummies