Growth and Yield of Soybean as Influenced by Nitrogen
and Growth Regulators
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Author:K. Vaiyapuri, M. Mohamed Amanullah and K. Rajendran
p-ISSN:0024-9602, e-ISSN:2582-5321, Vol:99, Issue:jan-mar
DOI: https://doi.org/10.29321/MAJ.10.100019
Abstract
Field experiment was conducted at Millet breeding station, Tamil Nadu Agricultural University,
Coimbatore, during kharif, 2007 to find out the effect of N and growth regulators on the
growth and yield of soybean. The experiment was laid out in a randomized block design
replicated thrice. The combinations of three N levels viz., 20kg N ha-1 , 30 kg N ha -1 and 40 kg N
ha -1 as basal and three growth regulators viz., Salicylic acid @ 100 ppm, Ethrel @ 100 ppm and
Chlormequat chloride @ 200 ppm were the treatments tried. The results of the experiment
indicated that application of N @ 20 kg/ha as basal and foliar spraying of salicylic acid @100
ppm recorded significantly better growth, yield parameters and grain yield.
Key words : Soybean, growth regulators, nitrogen, growth, yield