Compensating nitrogen fertilizer requirement of desi wheat through Azotobacter and vermicompost
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Date
2019
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CCSHAU
Abstract
The present study entitled, “Compensating nitrogen fertilizer requirement of desi wheat through Azotobacter and vermicompost” was conducted during the rabi season of 2017-2018 at the Agronomy Research Farm of Chaudhary Charan Singh Haryana Agricultural University, Hisar to study the effect of Azotobacter and vermicompost on growth, yield, quality and economics of desi wheat. The soil of the experimental field is sandy loam in texture, slightly alkaline in reaction, low in organic carbon and nitrogen, medium in available phosphorus and potassium. The experiment was laid out in Randomized Block Design replicated thrice with ten treatments viz. T1 (Control) , T2 (Vermicompost @ 6 t ha-1) , T3 (Azotobacter + Vermicompost @ 6 t ha-1), T4 (30 kg N ha-1 + Vermicompost @ 3 t ha-1), T5 (40 kg N ha-1 + Vermicompost @ 2 t ha-1), T6 (50 kg N ha-1 + Vermicompost @ 1 t ha-1), T7 (30 kg N ha-1 + Azotobacter + Vermicompost @ 3 t ha-1), T8 (40 kg N ha-1 + Azotobacter + Vermicompost @ 2 t ha-1), T9 (50 kg N ha-1 + Azotobacter + Vermicompost @ 1 t ha-1) and T10 (60 kg N ha-1). Among various combinations of nitrogen fertilizer, vermicompost and Azotobacter treatments ,T10 recorded significantly higher growth parameters viz. [plant height (cm), LAI and dry matter accumulation/plant], yield attributing characters [Number of grains per spike, number of spikelets per spike and spike length (cm) ] , grain, straw and biological yield , protein content, N, P and K content and uptake in grain and straw, total N, P and K uptake, gross returns, net returns and benefit: cost ratio of desi wheat. However, in terms of growth, yield, nutrient studies, quality and economics in treatment T9 and T8 were at par with treatment T10. But various treatments failed to produce any significant variation in days taken to seedling emergence, panicle initiation and anthesis, plant population at 15 DAS, 1000 grain weight and harvest index.
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