??? ???????? ?????????? ????????? ???? ??????????? ??????? ??? ???? ??????????? ??? ???? ?????? ??? ?????????????? ???Apatite in Sri Lanka is mined from Eppawala (Eppawala Rock Phosphate or ERP). The finely ground product is utilised to be a direct application fertilizer for tea, rubber and coconut. ERP can be an indiscriminate combination of extra… Read More