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Residual Effect of Pigeonpea (Cajanus cajan) on Yield and Nitrogen Response of Maize

OAR@ICRISAT

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Relation http://oar.icrisat.org/7864/
http://dx.doi.org/10.1017/S0014479700022572
 
Title Residual Effect of Pigeonpea (Cajanus cajan) on Yield and Nitrogen Response of Maize
 
Creator Rao, J V D K K
Dart, P J
Sastry, P V S S
 
Subject Pigeonpea
Fertilizer Appications
 
Description Field experiments during 1979 and 1980 on a Vertisol soil at ICRISAT Centre, Hyderabad, India, examined the residual effect of pigeonpea (Cajanus cajan) on growth and yield of a following maize crop. Pigeonpea was grown alone or as an intercrop with sorghum fertilized or not with 80 kg N ha−1. Sorghum alone and fallow treatments were included for comparison. In the first year, the sorghum/pigeonpea intercrop produced the largest grain and dry matter yields, but the yield of intercropped pigeonpea was about 50% less than that produced by the sole crop. Pigeonpea alone had a large residual effect on maize, increasing grain yield by 57% and total plant dry matter by 32% compared with corresponding values after fallow. In comparison, intercrop pigeonpea had little residual effect. Maize following either fallow, sorghum grown alone, with or without N, or the sorghum/pigeonpea intercrop, again with or without N, required fertilizer equivalent to 38–49 kg N ha−1 in order to attain yields similar to that of unfertilized maize following sole crop pigeonpea
 
Publisher Cambridge University Press
 
Date 1983
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/7864/1/Expl%20Agric._19_131-141_1983.pdf
Rao, J V D K K and Dart, P J and Sastry, P V S S (1983) Residual Effect of Pigeonpea (Cajanus cajan) on Yield and Nitrogen Response of Maize. Experimental Agriculture, 19 (2). pp. 131-141. ISSN 0014-4797