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Effect of Time and Rate of Application on Uptake of Fertilizer by Wheat

Published online by Cambridge University Press:  03 October 2008

A. Hamid
A. Hamid
Affiliation:
Radiation Genetics Institute, Lyallpur, Pakistan
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Summary

The efficiency of fertilizer N uptake by wheat, as affected by time and rate of application, was studied in the field using N15 labelled ammonium nitrate. Splitting the application was only beneficial at the maximum rate but two top dressings at tillering and boot stage were better for grain production than a basal dressing or single top dressing at stem extension stage, but uptake of fertilizer N was maximal from a single top dressing. The calculated effective rate of application (E.R.A.) was useful in evaluating the effect of time and rate of application and N availability to plants.

Type
Research Article
Information
Experimental Agriculture , Volume 9 , Issue 1 , January 1973 , pp. 59 - 62
Copyright
Copyright © Cambridge University Press 1973

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References

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