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Effect of Nitrogen on Nodulation and Yield of Soybean*

Published online by Cambridge University Press:  03 October 2008

F. J. Olsen ,
G. Hamilton  and
D. M. Elkins
F. J. Olsen
Affiliation:
Department of Plant and Soil Science, Southern Illinois University, Carbondale, Illinois
G. Hamilton
Affiliation:
Department of Plant and Soil Science, Southern Illinois University, Carbondale, Illinois
D. M. Elkins
Affiliation:
Department of Plant and Soil Science, Southern Illinois University, Carbondale, Illinois
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Summary

Nitrogen fertilizer applied to the surface of the soil in the field did not increase the yield of Bragg soybeans, and at higher levels reduced it, but may or may not significantly reduce soybean nodulation and plant height. In a pot experiment, there was evidence that deeply applied N increased plant height and dry weight of a non-nodulating isoline of Clark soybeans 46 days after planting.

Type
Research Article
Information
Experimental Agriculture , Volume 11 , Issue 4 , October 1975 , pp. 289 - 294
Copyright
Copyright © Cambridge University Press 1975

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References

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