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Competition between Irrigated Field Beans and Annual Weeds

Published online by Cambridge University Press:  12 June 2017

J. H. Dawson
J. H. Dawson*
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Irrigation Experiment Station, Prosser, Washington
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Abstract

In two experiments beans were kept weed-free for various periods early in the season, and in a third, weeds were allowed to grow with beans for various periods before being removed. Weeds which emerged soon after planting caused extensive reductions in bean yields, but the actual yield-reducing competition occurred considerably later in the season. For 5 to 7 weeks after planting, the grower must control weeds by chemical or other means; for the remainder of the season, bean competition provides weed control.

Type
Research Article
Information
Weeds , Volume 12 , Issue 3 , July 1964 , pp. 206 - 208
Copyright
Copyright © 1964 Weed Science Society of America 

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References

Literature Cited

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