Effect of phosphorus and biofertilizers with and without FYM on mustard and soil fertility

A field experiment was conducted at Rajasthan College of Agriculture, Udaipur to study the effect of integrated phosphorus management on yield and quality of mustard and soil fertility. The experiment was laid out in split plot design with four levels of phosphorus (0, 20, 40 and 60 kg P2O5 ha-1), two levels of FYM (0 and 5 t ha-1) and four levels of microbial inoculum (no inoculum, PSB, VAM and PSB + VAM). The maximum seed and straw yield of mustard was significantly enhanced with 60 kg P2O5 ha-1, 5 t FYM ha-1 and PSB + VAM inoculation. Significantly higher available N, P, K and S content in soil after harvest of mustard was reported with 60 kg P2O5 ha-1, 5 t FYM ha-1 and PSB + VAM inoculation. Integrated application of 60 kg P2O5 ha-1 + 5 t FYM ha-1 reported significantly higher seed yield, straw yield, oil yield and available P and S after harvest of mustard. Application of 5 t FYM ha-1 along with PSB + VAM inoculation reported significantly higher available P.