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Intercropping Pigeonpea to Conserve Fertilizer Nitrogen in Maize and Produce Residual Effects On Sugarcane

Published online by Cambridge University Press:  03 October 2008

R. L. Yadav
R. L. Yadav
Affiliation:
Indian Institute of Sugarcane Research, Lucknow-2 UP, India
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Summary

Field experiments were conducted for 3 years covering 4 crop seasons at Lucknow to study the utility of pigeonpea (Cajanus cajan) as an intercrop in economizing N for maize (Zea mays) and to assess the residual fertility of kharif crops on autumn-planted sugarcane (Saccharum officinarum). Pigeonpea increased the soil N content due to substantial nodulation, but as an intercrop it did not increase the yield of maize at any level of nitrogen. Sugarcane grown after pigeonpea yielded 43% more than when grown after maize. Intercropping pigeonpea in maize would be more beneficial than growing a pure crop of maize before planting sugarcane.

Type
Research Article
Information
Experimental Agriculture , Volume 17 , Issue 3 , July 1981 , pp. 311 - 315
Copyright
Copyright © Cambridge University Press 1981

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