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Effect of fertilizer placement and row arrangements on the yield of two varieties of wheat grown under dryland conditions

Published online by Cambridge University Press:  27 March 2009

R. K. Singh ,
R. De  and
B. B. Turkhede
R. K. Singh
Affiliation:
Division of Agronomy, Indian Agricultural Research Institute, New Delhi – 110 012, India
R. De
Affiliation:
Division of Agronomy, Indian Agricultural Research Institute, New Delhi – 110 012, India
B. B. Turkhede
Affiliation:
Division of Agronomy, Indian Agricultural Research Institute, New Delhi – 110 012, India
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Summary

Experiments made under dryland conditions in the post-monsoon period for 3 years showed that deep placement of N and P fertilizers at 12 or 18 cm led to better utilization than their shallow placement at 6 cm. Grain yield was maximal when the fertilizer was placed at 18 cm depth. The yield increase by deep fertilizer placement resulted from higher tiller survival till harvest. In these treatments water use efficiency and mineralizable N content in soil were higher.

Of the two varieties tested the taller cultivar (C 306) yielded more in normal years but lodging due to a severe storm in one of the years reduced its yield considerably. While the yield of the tall variety was not much affected by variations in row distances, the dwarf (DL 153–2) responded to these variations and greatest yield was obtained at a row distance of 27·5 cm.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 107 , Issue 1 , August 1986 , pp. 113 - 118
Copyright
Copyright © Cambridge University Press 1986

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References

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