TSP FOR LONG-TERM SOIL FERTILITY SRI LANKA FUNDAMENTALS EXPLAINED

The offered phosphorus was observed to generally be inside the array of 20-22 %, which can be far in extra in the stipulated necessity of 17 %. Agronomic eff ectiveness of ESSP above the imported TSP was tested for rice cultivation in diff erent soil conditions in the dry, wet and intermediate zones of Sri Lanka in fi ve consecutive seasons. The ou