Performance of Basmati rice as influenced by green manuring and sulphur fertilization


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Authors

  • SUNIL MANDI ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
  • YASHBIR SINGH SHIVAY ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India

https://doi.org/10.56093/ijas.v91i1.110936

Keywords:

Economics, Productivity, Sesbania green manuring, Sulphur, Yield attributes

Abstract

Basmati rice (Oryza sativa L.) cultivation is mainly confined to the Himalayan foothill belt of Indo-Gangetic plains owing to its specific climatic requirement for its quality. Green manuring and sulphur fertilization play an essential role for sustaining productivity and maintaining grain quality. A two-year field experiment was conducted at the research farm of the ICAR-Indian Agricultural Research Institute, New Delhi, India, during kharif (June-November) 2018-19. The experiment was conducted in a split-plot design with two green manure crops such as dhaincha (Sesbania aculeata), sunhemp (Crotalaria juncea) and control in the main-plot and sulphur fertilization such as 20 kg S/ha to rice, 40 kg S/ha to rice, 20 kg S/ha to wheat, 40 kg S/ha to wheat, 20 kg S/ha both to rice and wheat, 40 kg S/ha both to rice and wheat, and control (no sulphur) in the sub-plots with three replications. Dhaincha green manuring recorded the highest yield attributes with 47 more effective tillers/m2, panicle length by 1.50 cm, panicle weight by 0.21 g, and numbers of filled grains by 7 compared to control. It was also recorded 22% more grain yield and higher monetary returns with a higher B:C ratio of 1.27. Application of 40 kg S/ha both to rice and wheat showed maximum Basmati rice yield attributes, higher productivity, which was statistically at par with 40 kg S/ha to rice. However, from an economic point of view 40 kg S/ha was recorded more monetary returns and average two-year extra-net returns of ₹11.784 × 103/ha than control and higher B:C ratio 1.21. Applying sulphur at 40 kg/ha to Basmati rice is recommended to harvest more yield and fetch additional monetary returns.

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2021-03-02

Published

2021-03-02

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How to Cite

MANDI, S., & SHIVAY, Y. S. (2021). Performance of Basmati rice as influenced by green manuring and sulphur fertilization. The Indian Journal of Agricultural Sciences, 91(1), 105–108. https://doi.org/10.56093/ijas.v91i1.110936
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