Indicators on TSP for rice cultivation Sri Lanka You Should Know
in between fertilizer application and paddy yields is a precedence in these investigations. Most preceding reportsApatite in Sri Lanka is mined from Eppawala (Eppawala Rock Phosphate or ERP). The finely ground product is used to be a direct application fertilizer for tea, rubber and coconut. ERP is an indiscriminate combination of additional solubl