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Research Paper | Agronomy | India | Volume 6 Issue 9, September 2017 | Popularity: 6.6 / 10

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Response of Promising Ricebean [Vignaumbellata [(Thunb.) Ohwi & Ohashi] Genotypes in Different Levels of Nitrogen

Jitendriya Behera, P. K. Mohanty, Richard Y. P. Lokose, A. Mishra

Abstract: A field experiment was conducted at the instructional farm of ALL INDIA CO-ORDINATE RESEARCHNETWORK (AICRN) on Potential Crops under Orissa University of Agriculture and Technology, Bhubaneswar during Kharif 2016 to study the response of promising ricebean [Vigna umbellata (Thunb. ) Ohwi & Ohashi] genotypes to different levels of nitrogen in a sandy loam soil with pH 5.46, available nitrogen 230 kg/ha, available phosphorus 30.8 kg/ha and available potash 180.3 kg/ha. . Twenty four (24) treatment combinations comprising of six (6) varieties in the main plot (RBL 1, RBL 6, RBL 35, Phulbani Local, BRB 5, BRBM102) and four (4) levels of nitrogen (0, 20, 40 and 60 kg N /ha) in the sub-plot were tested in a split plot design with three (3) replications. Highest seed yield (790.08 kg/ha) was obtained from the variety BRBM 102 followed by Phulbani Local (702.08kg/ha). Application of successive dose of nitrogen up to 40 kg/ha produced maximum seed yield of 865.06 kg/ha and stover yield of 2231.61kg/ha. Seed yield increased by 20.76, 39.79 and 49.65 % with application of 40 kg N/ha over 20, 60 and 0 kg N/ha respectively. Variety BRBM102 recorded maximum yield attributing characters like number of clusters per plant (17.18), pods per plant (61.38) and test weight (59.35g). Irrespective of varieties, application of 40 kg N/hafavorably influenced the yield attributing characters. The highest net return of Rs.12947.00 per ha was obtained with the variety BRBM102 at 40 kg N/ha with a Benefit Cost ratio of 1.81.

Keywords: Economics, Nitrogenlevels, Ricebean genotypes and Yield performance

Edition: Volume 6 Issue 9, September 2017

Pages: 272 - 275

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