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Effects of Inoculation and Nitrogen Fertilizer on Soybean in Western Nigeria

Published online by Cambridge University Press:  03 October 2008

B. T. Kang
B. T. Kang
Affiliation:
International Institute of Tropical Agriculture, Ibadan, Nigeria
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Summary

The effect of inoculation and added nitrogen fertilizer on soybean variety TK-5 were studied in pot and field experiments. In the former bean yields with IARI and CB 1809 inoculants were better than with Nitragin-S. In the field experiment, inoculation alone was inadequate to supply the nitrogen need of the crop, 30 kg. N/ha. being needed with inoculation, and 60 kg. N/ha. without inoculation, for maximum yield. Higher nitrogen application, combined with inoculation, increased dry matter, N-uptake, bean yield, pod number, bean weight and nitrogen content of seed. Oil content of the seeds decreased with inoculation and nitrogen application.

Type
Research Article
Information
Experimental Agriculture , Volume 11 , Issue 1 , January 1975 , pp. 23 - 31
Copyright
Copyright © Cambridge University Press 1975

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