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Journal of Agronomy
Year: 2010  |  Volume: 9  |  Issue: 4  |  Page No.: 163 - 168

Effect of Bio-fertilizer Inoculations on Growth and Yield of Dwarf Field Pea (Pisum sativum L.) in Conjunction with Different Doses of Chemical Fertilizers

A. Mishra, K. Prasad and Geeta Rai    

Abstract: A field experiment was conducted during two consecutive Rabi seasons of 2007 and 2008 to study the effect of bio-fertilizers in conjunction with inorganic fertilizers on growth and yield of dwarf field pea (cv. Jai) at Oil Seed Research Farm, Kalyanpur in C.S.A. University of Agriculture and Technology, Kanpur. The experiment was laid out in split plot design with three replications in sandy loam soil. The experiment comprised 32 treatment combinations of four levels of fertility (Control, 50, 75 and 100% RDF) and eight bio-fertilizer treatments (Control, Rhizobium, PSB, PGPR, Rhizobium+PSB, Rhizobium+PGPR, PSB+PGPR and Rhizobium +PSB+PGPR). Results indicated that the combined application of 100% RDF and seed inoculation with Rhizobium+PSB+PGPR improved all the growth; yield attributes and yields of field pea. Fresh and dry weight plant-1, nodules number and dry weight plant-1 were found significantly maximum. Number of grains pod-1, number and weight of pods plant-1 at maturity attributed significantly in increasing the grain yield of field pea up to 31.00 q ha-1 and net return up to Rs.26187 ha-1 with the application of 100% DRF and seed inoculation of Rhizobium + PSB + PGPR, yield was 10.96 and 11.93% higher over co-inoculation of Rhizobium + PSB + PGPR (27.60 q ha-1) and 100% RDF (27.30 q ha-1) application. Thus, it can be recommended that to obtain the maximum grain yield and net profit from dwarf field pea, seed should be inoculated with Rhizobium + PSB + PGPR and crop should be fertilized with 100% recommended dose of fertilizer.

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