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Effects of Previous Crop on Yield and Nitrogen Response of Maize at Samaru, Nigeria

Published online by Cambridge University Press:  03 October 2008

M. J. Jones
M. J. Jones
Affiliation:
Institute for Agricultural Research, Samaru, Zaria, Nigeria
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Summary

Maize yields were significantly affected by the nature of the previous crop. Maize following groundnuts significantly outyielded maize following cotton, which in turn significantly outyielded maize following sorghum or cowpeas, and this order was largely independent of the nitrogen fertilizer regime applied to the maize. Analyses of soil and crop showed that groundnuts increased nitrogen availability in the topsoil, but there was little evidence of any similar advantage after cowpeas.

Type
Research Article
Information
Experimental Agriculture , Volume 10 , Issue 4 , October 1974 , pp. 273 - 279
Copyright
Copyright © Cambridge University Press 1974

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References

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