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Application of rainfall-potential evapotranspiration model for determining optimum planting date of maize (Zea mays) in a tropical wet and dry climate

Indian Agricultural Research Journals

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Title Application of rainfall-potential evapotranspiration model for determining optimum planting date of maize (Zea mays) in a tropical wet and dry climate
 
Creator BELLO, N J
 
Subject rainfall-potential evapotranspiration model, maize, Zea mays, optimum planting date
 
Description Rainfall-poteritial evapotraspiration model was used to determine the optimum planting date of maize (Zea maysL.) grown during the rainy seasons of 1995 and 1996. The date whim the accumulated difference between rainfall andhulf the potential evapotranspiration equals zero or slightly above it (April 15 and April 13 in 1995 and 1996 respectively)marked the optimum planting dates. Planting on these dates gave the highest grain yield during the respective year.Considerable reduction in yield however occurred for planting done when the accumulated difference between rainfalland 0.5 Potential evapotranspiration was in excess of 20 mm; and this represented a delay in planting by about 10 days after the optimum date. The implication of the study for appropriate schedule of farm operations vis-a-vis agronomicpractices for maize cultivation have been noted.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-04-01
 
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/28614
 
Source The Indian Journal of Agricultural Sciences; Vol 70, No 7 (2000)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/28614/12940
 
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