Weerasooriya, D.N.M; Udawatte, C.P; Yapa, P.I; Udayakumara, E.P.N
(Sabaragamuwa University of Sri Lanka, 2020-12-16)
Phosphorus, is one of the most demanding essential nutrients for crops that is usually
supplied through fertilizers. Sri Lanka has a rock phosphate deposit at Eppawala,
which can be utilized as a source of phosphorus ...