Influence of biofertilizers and nitrogen source level on the growth and yield of Echinochloa frumentacea (Roxb.) Link.
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Abstract
In the present investigation, the effect of biofertilizers (Azotobacter and Azospirillum) and synthetic fertilizers (urea) were studied separately and in different combinations to establish morphological, biochemical, yield and biomass effects of Echinochloa frumentacea. Both bacterial inoculants at all levels and combination of chemical nitrogen show an increase in growth, yield and biochemical components when compared to the control (with out biofertilizers and chemical N2). The result reveals that both morphology and yield parameter produces a better result during the combination of biofertilizers and chemical fertilizers than using either method alone. The highest yield of Azospirillum with 100% urea treatment obtained 8525.55 Kg/ha-1. Biofertilizers with 100% urea treatment produced highest yields compared control. When compared the Azospirillum and Azotobacter combinations, Azospirillum along with 100% urea yielded better results than control.
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