To study the effect of rock phosphate with sulphur levels and biofertilizer on chemical and biological properties of soil

Abstract

The results indicated that incubation of rockphosphate, alongwith elemental sulphur, PSB and EM culture showed a significant decrease in soil pH due to elemental sulphur @ 30 and 60 Kg ha-1 along with PSB and EM solution, alone or in combination. A significant decrease in the calcium carbonate content was also observed in these treatments. The results revealed highest available phosphorus content in the rock phosphate treatment + 60 kg S ha-1 + PSB + EM solution. The maximum alkaline phosphatase activity was observed in the rock phosphate treatment with PSB, EM solution and elemental sulphur at 30 days incubation stage.