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Determination of actual evapotranspiration for summer clusterbean (Cyamopsis tetragonoloba) using mini-lysimeters in hot arid zone of India

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Title Determination of actual evapotranspiration for summer clusterbean (Cyamopsis tetragonoloba) using mini-lysimeters in hot arid zone of India
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Creator H.M. Meena
R.K. Singh
U. Burman
 
Subject Actual crop evapotranspiration, Mini-lysimeter, Summer clusterbean, Water productivity.
 
Description Not Available
A field experiment was conducted for three consecutive years 2015-17 during the summer season at the experiment farm of ICAR-Central Arid Zone Research Institute, Jodhpur to determine the actual evapotranspiration of clusterbean [Cyamopsis
tetragonoloba (L.) Taub.] using mini-lysimeter by imposing different levels of irrigation based on cumulative pan evaporation
(CPE) 50 mm irrigation at 100, 80, 60 and 40% of CPE. Three year averaged actual crop ET was observed 686, 554, 454
and 340 mm under 100, 80, 60 and 40 % irrigation levels, respectively. The highest crop ET was recorded under 100%
followed by 80, 60 and 40 % irrigation levels. However, maximum water productivity (0.35 kg m-3) at 80% irrigation level,
while the lowest (0.21 kg m-3) was observed at 40% irrigation level.The results also indicated that to achieve maximum
water productivity, crop ET would need to be at least 554 mm and the crop can save 19.2% (132 mm) of water with a
compromise in yield reduction by 10.4% (225 kg).
Not Available
 
Date 2019-12-04T10:25:58Z
2019-12-04T10:25:58Z
2019-04-30
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/27293
 
Language English
 
Relation Not Available;
 
Publisher Agricultural Research Communication Centre