Productivity and economics of maize (Zea mays L.) as influenced by phosphorus management in Southern Rajasthan

Abstract

The field experiment was conducted during kharif, 2006 at Instructional Farm, Rajasthan College of Agriculture, Udaipur.The experiment consisting of 24 treatments having combination of 3 levels of phosphorus (20, 30 and 40 kg P2O5/ha), 2 levels of FYM (0 and 10 t/ha) and 4 combination of biofertilizer (control,PSB, VAM and PSB + VAM). These treatments were evaluated in split-plot design with four replications. As per the treatment, FYM (N-0.46, P2O5 - 0.23 and K2O - 0.56 per cent) was incorporated 2 weeks before sowing and PSB was applied as seed treatment @ 600 g/ha and VAM @ 200 kg/ha as furrow application. A uniform dose of 90 kg N /ha and 30 kg K2O as per recommendation were used for the maize crop.