Indian Journal of Agricultural Research

  • Chief EditorT. Mohapatra

  • Print ISSN 0367-8245

  • Online ISSN 0976-058X

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  • SJR 0.293

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Indian Journal of Agricultural Research, volume 55 issue 4 (august 2021) : 483-487

Effect of Potassium and Iron Levels on Growth and Yield of Kharif Rice Bean (Vigna umbellata L.)

Padachala Swathi, Shikha Singh, M.R. Meshram, K.J. Sanjay, Kimudu Girisha, Dudekula Dileep
1Department of Agronomy, Naini Agriculture Institute, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj-211 007, Uttar Pradesh, India.
Cite article:- Swathi Padachala, Singh Shikha, Meshram M.R., Sanjay K.J., Girisha Kimudu, Dileep Dudekula (2021). Effect of Potassium and Iron Levels on Growth and Yield of Kharif Rice Bean (Vigna umbellata L.). Indian Journal of Agricultural Research. 55(4): 483-487. doi: 10.18805/IJARe.A-5768.
Background: Rice bean (Vigna umbellata L.) has recently been notified as a promising pulse crop. It is grown for green manure, green fodder and pulses. Potassium plays a major role in increasing the legume yield and yield components, besides provides tolerance to stress such as high-low temperature and drought. Similarly, iron is important for chlorophyll synthesis and is a key component of the nitrogenase enzyme, which is important for nitrogen fixation.
Methods: A field experiment was conducted during kharif season of 2020 at Crop Research Farm, Department of Agronomy, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj (U.P). India. Study the ‘‘Effect of potassium and iron levels on growth and yield of kharif Rice bean (Vigna umbellata L.)”. The present experiment was laid out in randomized block design (RBD).
Result: The results revealed that the application of 20 kg K2O/ha + 15 kg Fe/ha recorded maximum plant height (111.17 cm), branches per plant (23.40), nodules per plant at 60 DAS (35.67), plant dry weight (41.33 g/plant), pods per plant (26.20), seeds per pod (7.93), seed yield (1.67 t/ha), stover yield (3.95 t/ha), harvest index (29.69%), net return (Rs 81,155.6/ha) and B: C ratio (2.43). It can be concluded that 20 kg K2O /ha + 15 kg Fe/ha was found more productive as well as economic for Rice bean.
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