Effect of Nitrogen Levels on Growth, Yield Attributes and Yield of Hybrid Varieties of Rice (Oryza sativa L.)

Divya Singh

A.N.D. University of Agriculture and Technology, Kumarganj, Ayodhya, U.P., India.

Atish Yadav *

A.N.D. University of Agriculture and Technology, Kumarganj, Ayodhya, U.P., India.

Ankur Tripathi

A.N.D. University of Agriculture and Technology, Kumarganj, Ayodhya, U.P., India.

Subhendu Singh

A.N.D. University of Agriculture and Technology, Kumarganj, Ayodhya, U.P., India.

Anil Kumar Singh

A.N.D. University of Agriculture and Technology, Kumarganj, Ayodhya, U.P., India.

*Author to whom correspondence should be addressed.


Abstract

A field experiment was conducted to evaluate the effect of different Nitrogen levels on the yield performance of four rice hybrid in two consecutive Monsoon Season of 2020 and 2021. The experiment was conducted at Agronomy Research Farm, Acharya Narendra Deva University of Agriculture and Technology, Kumarganj Ayodhya (U.P.). The experiment was conducted in factorial randomized block design with three replication which comprised of 4 levels of nitrogen viz. 0% RDN, 50% RDN, 75% RDN and 100% RDN and 4 hybrid varieties viz. Arize-6444 Gold, Ankur-7576, 27P31 and Shahi-Dawat. Results revealed that significantly higher yield contributing characters and yield was obtained  at 100% of RDN (150 kg N ha-1) which is at par with 75 % RDN (112 kg N ha-1) and significantly superior over 0% of RDN and 50% of RDN (75kg N ha-1). The growth parameters, yield attributes and yield were recorded significantly higher with Ankur-7576 variety except length of panicle (cm) and test weight (g). Ankur-7576 gave good response in low doses of nitrogenous fertilizer and showed good efficiency in utilization of available and applied nitrogen to the crop and best suitable for obtaining higher yield of hybrid rice.

Keywords: Growth parameters, hybrid rice, nitrogen doses, yield attributes


How to Cite

Singh, D., Yadav, A., Tripathi, A., Singh, S., & Singh, A. K. (2022). Effect of Nitrogen Levels on Growth, Yield Attributes and Yield of Hybrid Varieties of Rice (Oryza sativa L.). Asian Journal of Soil Science and Plant Nutrition, 8(4), 1–6. https://doi.org/10.9734/ajsspn/2022/v8i4162

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