??? ???????? ?????????? ????????? ???? ??????????? ??????? ??? ???? ??????????? ??? ???? ?????? ??? ?????????????? ???Apatite in Sri Lanka is mined from Eppawala (Eppawala Rock Phosphate or ERP). The finely floor product is used like a immediate application fertilizer for tea, rubber and coconut. ERP is really an indiscriminate combination of more … Read More