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Studies in Multiple Cropping II. Effects of Preceding Grain Legumes on the Nitrogen Requirement of Wheat

Published online by Cambridge University Press:  03 October 2008

S. S. Narwal ,
D. S. Malik  and
R. S. Malik
S. S. Narwal
Affiliation:
Department of Agronomy, Haryana Agricultural University, Hissar-125004, India
D. S. Malik
Affiliation:
Department of Agronomy, Haryana Agricultural University, Hissar-125004, India
R. S. Malik
Affiliation:
Department of Agronomy, Haryana Agricultural University, Hissar-125004, India
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Summary

A study was undertaken to find out the nitrogen requirement of wheat (WH-157) when grown after various grain legumes on the sandy loam soils at Hissar (NW India). Yields of wheat were significantly increased when grown after black gram (110%), green gram (108%) and soyabean (41%) compared with those after pigeonpea. Preceding crops of green gram and black gram reduced the nitrogen requirement of a succeeding wheat crop by 30–60 kg ha−1, compared with only 30 kg ha−1 after pigeonpea or soyabean. Pigeonpea was least beneficial in this regard but a pigeonpea-wheat cropping sequence produced the maximum net profit.

Type
Research Article
Information
Experimental Agriculture , Volume 19 , Issue 2 , April 1983 , pp. 143 - 151
Copyright
Copyright © Cambridge University Press 1983

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References

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