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Sustainability of maize (Zea mays)-wheat (Triticum aestivum) cropping system under legumes intercropping and effect of nitrogen level on light distribution, soil temperature and crop productivity

Indian Agricultural Research Journals

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Title Sustainability of maize (Zea mays)-wheat (Triticum aestivum) cropping system under legumes intercropping and effect of nitrogen level on light distribution, soil temperature and crop productivity
 
Creator NARESH, R K
SINGH, S P
KUMAR, PARVINDER
SINGH, B
SINGH, P K
CHAUHAN, PANKAJ
RATHORE, R S
 
Subject Crop productivity, Intercropping, Soil temperature, Sustainability
 
Description Agriculture designs for cropping system with legume intercropping for increased resource use efficiency profitability, productivity and reduced adverse environmental impact are urgently required. A three years field experiment consisting of six cropping treatments applied during both seasons was conducted during 2008-09 to 2010-11 to study the effect of nitrogen and legumes intercropping with maize (Zea mays L.) for sustainability of maize-wheat (Triticum aestivum L.) cropping system. Results indicate that the photosynthetic active radiation had highest values at noon reaching nearly 1940 µmol/m2/s for maize and 1620 µmol/m2/s for intercropped legumes.Intercropping can increase light interception, shading and reduce water evaporation as compared to sole maize.Maize intercropped had higher values of stomatal condutance and leaf temperature than sole crop.The grain yield and yield attributing characters of wheat crop increased significantly under intercropping treatments over respective check. Wheat yield significantly increased up to 160 kg N/ha. However, there was no significant increase in yield of maize beyond 120 kg N/ha.Sole maize-wheat rotation showed a decline in soil organic carbon by 3.7%,while blackgram and cowpea intercropping with maize in paired rows (2:2 row ratio) followed by wheat increased contents of per cent organic carbon in soil as 0.63 and 0.67 respectively,compared to initial values of 0.54 per cent.Plots treated with intercrops/FYM during the rainy season sustained the wheat yield while the check plot showed a decline in wheat yield by 4-9%.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2014-06-13
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/41426
 
Source The Indian Journal of Agricultural Sciences; Vol 84, No 6 (2014)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/41426/18466
 
Rights Copyright (c) 2014 The Indian Journal of Agricultural Sciences