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Integration of Cereal Cover Crops in Ridge-tillage Corn (Zea mays) Production

Published online by Cambridge University Press:  12 June 2017

Allan G. Eadie ,
Clarence J. Swanton ,
James E. Shaw  and
Glen W. Anderson
Allan G. Eadie
Affiliation:
Weed Biol., Ridgetown Coll. Agric. Technol.
Clarence J. Swanton
Affiliation:
Weed Biol., Ridgetown Coll. Agric. Technol.
James E. Shaw
Affiliation:
Weed Biol., Ridgetown Coll. Agric. Technol.
Glen W. Anderson
Affiliation:
Univ. Guelph, Guelph, ON, Canada N1G 2W1
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Abstract

Field experiments evaluating 11 cereal cover crops were established at two locations in Ontario over a two-year period. Cover crops were interseeded into a ridge-tillage corn crop and evaluated in terms of biomass production and winter annual, biennial, and perennial weed species suppression. Seedling establishment and aboveground biomass production of cover crops were variable between locations and years. At both locations over two years, ‘Danko’ winter rye, ‘OAC Halton’ winter barley and ‘Rodeo’ spring barley were the most consistent cover crops in biomass production. However, cover crop residues had no significant effect on weed biomass or density due to a high degree of spatial variability present in the weed populations. Corn grain yields were not reduced by the presence of inter-seeded cover crops when compared with the bare ground control treatment.

Keywords

Corn, Zea mays L. ‘Funks 4447’, ‘Jacques 7700’, ‘Pioneer 3790’, ‘Pioneer 3925’spring barley, Hordeum vulgare L. ‘Rodeo’winter barley, Hordeum vulgare L. ‘OAC Halton’winter rye, Secale cereale L. ‘Danko’Minimum tillageinterseedingweed suppression
Type
Research
Information
Weed Technology , Volume 6 , Issue 3 , September 1992 , pp. 553 - 560
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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