Abstract
A field experiment was conducted during the Rabi season of 2010–2011 at Crop Research Centre of S.V.P.U.A & T Meerut to study the impact of Bio-fertilizers with different NPK levels on growth and yield of wheat (Triticum aestivum L.). Four NPK fertilizer levels (150: 75: 50, 120: 60: 40, 90: 45: 30, 60: 30: 20 kg NPK/ha corresponding to control, 125%, 100%, 75%, 50% RDF) with and four bio-fertilizers treatments (control, Azotobacter, Phosphate Solubilizing bacteria (PSB) and co-inoculation of Azotobacter +PSB) were replicated three times in Randomized Block Design. The growth and yield attributes showed an increase with increase in the NPK fertilizer levels. 125% RDF recorded significantly highest grain yield (54.10 q ha-1) and straw yield (79.69 q ha−1). Azotobacter and PSB inoculation, being at par caused significant improvement in the growth and yield attributes over control.
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