Asian Journal of Crop, Soil Science and Plant Nutrition

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Asian J. Crop. Soil Plan. Nutri. | Volume 05, Issue 01, 170-186 | https://doi.org/10.18801/ajcsp.050121.22
​Article type: Research article | Received: 21.09.2020; Revised: 06.04.2021; First published online: 15 April 2021.

Effect of plant population on performance of maize hybrids under different sowing dates in western terai of Nepal

Nav Raj Acharya 1, Shrawan Kumar Sah 2, Anand Kumar Gautam 3 and Anant Prasad Regmi 3
1 Nepal Agricultural Research Council, Directorate of Agricultural Research, Khajura, Banke, Nepal.
2 Agriculture and Forestry University, Rampur, Chitwan, Nepal.
3 Nepal Agricultural Research Council, Singh Durbar Plaza, Kathmandu, Nepal.
 
✉    Article correspondence: [email protected]  (Acharya, NR).
Abstract
This study was conducted on farmer’s field of Khajura, Banke, during 2014 -2015 to identify the effect of plant population on maize hybrids under different sowing dates in winter season. Soil is sandy loam and humid subtropical climate. Temperature ranges between 460C and 5.40C, with relative humidity ranging between 27 to 94%. Humidity remains low in most parts of the year. Delayed onset and early termination of monsoon rain is a regular feature, causing occasional failure of annual crops in the region. The experiment was replicated three times in stripe –split plot design. Three dates of sowing (20 October, 5 November and 20 November), four hybrids (Rampur hybrid 2, Rampur hybrid 4, Rajkumar and Nutan (KH 101) and three plant densities (83333 plants ha-1, 66666 plants ha-1and 55555 plants ha-1) were used in the study. The average grain yield of maize on 20 October (7.8 Mt ha-1) produced 25.8% higher than 5 November (6.2 Mt ha-1) and 30% higher than 20 November (6 Mt ha-1). Rampur hybrid 2 produced 20% higher average grain yield (7.2 Mt ha-1) than Nutan (KH 101) variety (6 Mt ha-1). Plant population 83333 plants ha-1 (6.9 Mt ha-1) and 66666 plants ha-1 (6.8 Mt ha-1) produced higher grain yield than (6.4 Mt ha-1) at 55555 plants ha-1.
 
Key Words: Date of sowing, Plant population, Hybrids, Maize and Grain yield
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MLA
Acharya, N. R. et al. “Effect of plant population on performance of maize hybrids under different sowing dates in western terai of Nepal”. Asian Journal of Crop, Soil Science and Plant Nutrition, 05(01), (2021): 170-186.
 
APA
Acharya, N. R., Sah, S. K., Gautam, A. K. and Regmi, A. P. (2021). Effect of plant population on performance of maize hybrids under different sowing dates in western terai of Nepal. Asian Journal of Crop, Soil Science and Plant Nutrition, 05(01), 170-186.
 
Chicago
Acharya, N. R., Sah, S. K., Gautam, A. K. and Regmi, A. P. “Effect of plant population on performance of maize hybrids under different sowing dates in western terai of Nepal”. Asian Journal of Crop, Soil Science and Plant Nutrition, 05(01), (2021): 170-186.
 
Harvard
Acharya, N. R., Sah, S. K., Gautam, A. K. and Regmi, A. P. 2020. Effect of plant population on performance of maize hybrids under different sowing dates in western terai of Nepal. Asian Journal of Crop, Soil Science and Plant Nutrition, 05(01), pp. 170-186.
 
Vancouver
Acharya, NR, Sah, SK, Gautam, AK and Regmi, AP. Effect of plant population on performance of maize hybrids under different sowing dates in western terai of Nepal. Asian Journal of Crop, Soil Science and Plant Nutrition, April 2021 05(01), 170-186.
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