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Weed Ecology and Management

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Research - Managing Weeds in Organic Cereals

Presently, New England organic dairies rely extensively on cereal grains imported from the Midwestern U.S. and Canada, grains which have been increasing in cost and decreasing in availability and quality.  To reduce their reliance on purchased concentrates, growers must be able to reliably produce grains on-farm.   Weeds represent a major obstacle in growing organic grains, as they decrease both yield and quality of the harvest.  Lauren Kolb, Ph.D. student, is looking at two seemingly opposing strategies for improved weed control in organic grains: (1) enhanced competition by increasing seeding rates and decreasing row spacing; and (2) improved physical weed control by using a wide-row spacing and inter-row hoeing.


Image Description: Lauren Kolb presenting information

Image Description: A tractor in action

Image Description: Farm workers working

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Contact Information

Weed Ecology and Management
205 Roger Clapp Greenhouse
Orono, Maine 04469
Phone: 207.581.2933 | Fax: 207.581.2999E-mail:
The University of Maine
Orono, Maine 04469
A Member of the University of Maine System