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Plant density effects on growth, yield and yield components of two soybean varieties under equidistant planting arrangement

Rahman, M., Hossain, M. and Bell, R.W.ORCID: 0000-0002-7756-3755 (2011) Plant density effects on growth, yield and yield components of two soybean varieties under equidistant planting arrangement. Asian Journal of Plant Sciences, 10 (5). pp. 278-286.

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Link to Published Version: http://dx.doi.org/10.3923/ajps.2011.278.286
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Abstract

Optimum plant density of soybean varies with geographic location and variety. The present study was undertaken with a view to optimize plant density of two soybean varieties using equidistant planting patter to obtain higher yield. The experiments were conducted in three consecutive seasons viz., Rabi 2004-05, Kharif 2005 and Rabi 2005-06 at Mymensingh, Bangladesh with two soybean varieties G-2 and PB-1 and six plant densities viz., 20, 40, 60, 80, 100 and 120 plants m-2 established using an equidistant planting pattern of 22.4×22.4 cm, 15.8×15.8 cm, 12.9×12.9 cm, 10.0× 10.0 cm and 9.1× 9.1 cm, respectively. Seed yield increased with increase of plant density up to 80 to 100 plants m-2 depending on variety and season. The increase in plant density decreased yield components such as number of pods plant-1, seeds pod-1 and 100-seed weight as well as seed yield plant-1. The soybean seed yield was positively correlated with total dry matter and leaf area index. The present study concludes that the highest soybean yield could be possible with a plant density of 80-100 plants m-2 depending upon variety, season and related agronomic management options.

Item Type: Journal Article
Murdoch Affiliation: School of Environmental Science
Publisher: ANSInet
Copyright: © 2011 Asian Network for Scientific Information
URI: http://researchrepository.murdoch.edu.au/id/eprint/6276
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