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Leaching Loss of Nitrogen in Submerged Rice Cultivation

Published online by Cambridge University Press:  03 October 2008

H. K. Pande  and
N. K. Adak
H. K. Pande
Affiliation:
Department of Agricultural Engineering, Indian Institute of Technology, Kharagpur, India
N. K. Adak
Affiliation:
Department of Agricultural Engineering, Indian Institute of Technology, Kharagpur, India
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Summary

Nitrogen was lost through leaching, both as and , even after application of the ammoniacal form in a reduced soil zone. Under saturation the loss was more through , and under submergence through nitrogen. The loss was accelerated when all the nitrogen was applied at one time at the early stage of crop growth. Application at transplanting proved unproductive. Three split application at active vegetative, reproductive and ripening phases helped to give maximum responses in both alluvial clay and lateritic sandy clay loam soil.

Type
Research Article
Information
Experimental Agriculture , Volume 7 , Issue 4 , October 1971 , pp. 329 - 336
Copyright
Copyright © Cambridge University Press 1971

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References

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