Weerasooriya, D.N.M; Udawatte, C.P.,; Yapa, P.I; Udayakumara, E.P.N.
(Sabaragamuwa University of Sri Lanka, Belihuloya, 2020-11-26)
At present, Sri Lanka imports phosphorus fertilizers incurring a lot
of foreign exchange even though there is a high-quality apatite
deposit at Eppawala. Eppawala rock phosphate (ERP) can be
utilized as a Phosphorus ...