TSP FOR LONG-TERM SOIL FERTILITY SRI LANKA FUNDAMENTALS EXPLAINED

A method is described with the production of the nonhygroscopic fertilizer from apatite by treatment method with hydrochloric acid.Kethata Aruna", is the existing fertilizer subsidy programme for paddy sector, which was implemented in 2005 in Sri Lanka. Beneath this subsidy programme, the 3 big fertilizers, i.e. Urea, Triple Tremendous Phosphate (T