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Water Use Efficiency as a Method for Predicting Water Use by Weeds

Published online by Cambridge University Press:  12 June 2017

Robert F. Norris
Robert F. Norris*
Affiliation:
Vegetable Crops Dep., Weed Sci. Program, Univ. California, Davis, CA 95616
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Abstract

Water use by weeds is one type of loss that contributes to the cost of weeds to agriculture. Water use efficiency provides a mechanism by which water use by weeds can be estimated. Uncontrolled weed growth could result in estimated irrigation costs exceeding $50.00/ha. Weeds like barnyardgrass at threshold densities in irrigated crops like sugarbeet or tomato are estimated to increase production costs by about $20.00/ha depending on water cost.

Keywords

Sugarbeet (Beta vulgaris L.)tomato (Lycopersicon esculentum Mill.)barnyardgrass [Echinochloa crus-galli (L.) Beauv.] #3 ECHCGCostslossestranspiration coefficient

Information

Type
Note
Information
Weed Technology , Volume 10 , Issue 1 , March 1996, pp. 153 - 155
Copyright
Copyright © 1996 by the Weed Science Society of America 

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References

Literature Cited

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