A SECRET WEAPON FOR TSP FOR NUTRIENT DELIVERY SYSTEMS SRI LANKA

between fertilizer application and paddy yields is actually a precedence in this sort of investigations. Most prior researchApatite in Sri Lanka is mined from Eppawala (Eppawala Rock Phosphate or ERP). The finely ground product is utilized for a immediate application fertilizer for tea, rubber and coconut. ERP is really an indiscriminate mixture of