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Cover Crop Management and Weed Control in Corn (Zea mays)

Published online by Cambridge University Press:  12 June 2017

Gregg A. Johnson ,
Michael S. Defelice  and
Zane R. Helsel
Gregg A. Johnson
Affiliation:
Dep. Agron., Univ. Missouri, Columbia, MO 65211
Michael S. Defelice
Affiliation:
Dep. Agron., Univ. Missouri, Columbia, MO 65211
Zane R. Helsel
Affiliation:
Dep. Agron., Univ. Missouri, Columbia, MO 65211
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Abstract

Field experiments were conducted in central Missouri in 1989 and 1990 to evaluate weed control practices in conjunction with cover crops and cover management systems in reduced tillage corn. There was no difference in weed control among soybean stubble, hairy vetch, and rye soil cover when averaged over cover management systems and herbicide treatments. However, mowed hairy vetch and rye covers provided greater weed control in the no-till plots than soybean stubble when no herbicide was used. Differences in weed control among cover management systems were reduced or eliminated when a PRE herbicide was applied. corn population and height were reduced by hairy vetch and rye soil cover. Corn grain yield was reduced in rye plots both years. There was no difference in grain yield between tilled and no-till plots.

Keywords

Hairy vetch, Vicia villosa Roth # VICVIrye, Secale cereale (L.)soybeans, Glycine max (L.) Merr.corn, Zea mays (L.) ‘Pioneer 3379’No-tillatrazineglyphosateSecale cerealeSetaria faberii Herrm.SETFAVicia villosaXanthium strumarium L.XANST
Type
Research
Information
Weed Technology , Volume 7 , Issue 2 , June 1993 , pp. 425 - 430
Copyright
Copyright © 1993 Weed Science Society of America 

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