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Effect of irrigation and phosphorus on yield, moisture use and phosphorus uptake of late-sown lentil (Lens culinaris) in calcareous soil

Indian Agricultural Research Journals

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Title Effect of irrigation and phosphorus on yield, moisture use and phosphorus uptake of late-sown lentil (Lens culinaris) in calcareous soil
 
Creator Prasad, U K
Prasad, T N
Mishra, R B
 
Subject —
 
Description In a 4-year field experiment at Pusa (Bihar), late-sown lentil (Lens culinaris Medikus) gave maximum grain-rain yield (1 598kg/ha) with 2 irrigation scheduled through an IW : CPE (irrigation water depth: cumulative pan evaporation) ratio of 0.6 with a total irrigation requirement of 12 cm. Further increase in irrigation to 3 gave similar yield but 1 irrigation significantly reduced the yield. The minimum yield was recorded in the rainfed control. Among levels of P, the yield increased only up to 12.9 kg P/ha. The interaction between irrigation and P was absent. A significant increase in crop-growth rate was recorded up to 2 irrigation and 12.9 kg P/ha. Profile-moisture use by the crop was maximum in 0- ยท30 cm layer than at lower depths. In irrigation and in rainfed, more water was extracted from the lowermost profile (60-90 cm). The uptake of P increased up to 2 irrigations and 12.9 kg P/ha.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2012-06-04
 
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/18660
 
Source The Indian Journal of Agricultural Sciences; Vol 65, No 3 (1995)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/18660/9043
 
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