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Prediction of Yield and Nitrogen Uptake of Wheat from Net Nitrogen Balance after Rice in Rice–Wheat Cropping System

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Title Prediction of Yield and Nitrogen Uptake of Wheat from Net Nitrogen Balance after Rice in Rice–Wheat Cropping System
 
Creator Dey, P. and Jain, J.M.
 
Subject C/N ratio, enriched green manure, lignin, net N balance, residual N effects, rice– wheat system
 
Description Not Available
Net nitrogen (N) balance after rice (Oryza sativa L.) and its relationship with yield and N uptake of succeeding wheat crop was studied in a greenhouse. Three urea-enriched green manures, namely dhaincha (Sesbania aculeata L.), cowpea (Vigna unguiculata L.), and guar (Cyamopsis tetragonoloba L.) were compared with split application of urea in a rice–wheat cropping sequence. After rice, a negative N balance was measured in all treatments; however, the N balance values were greater with urea than with green manures. The N balance was positively correlated with the N content but negatively correlated with lignin content and carbon (C)–N ratio of the green manures. Lignin content was a better index than C/N ratio for predicting the net N balance, which described 82.3% of the total variations. Efficiency of residual N utilization by wheat could be determined by estimating the N balance after rice. Net N balance after rice can be used as a yardstick for the prediction of yield and N uptake by wheat crop.
 
Date 2020-05-21T09:54:07Z
2020-05-21T09:54:07Z
2013-01-01
 
Type Journal
 
Identifier Dey, P. and Jain, J.M. (2013). Prediction of Yield and Nitrogen Uptake of Wheat from Net Nitrogen Balance after Rice in Rice–Wheat Cropping System. Communications in Soil Science and Plant Analysis, 44 (15): 2288-2298.
https://doi.org/10.1080/00103624.2013.803560
http://krishi.icar.gov.in/jspui/handle/123456789/36082
 
Language English
 
Relation Not Available;
 
Publisher Taylor & Francis