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Activities and research

Cover crops are used in a variety of systems in Ontario from the traditional red clover underseeding in wheat to late summer oats for feed and cover to specific varieties of mustard used for nematode suppression in horticultural rotations. Cover crops have the potential to fit a lot of different niches. Over the past 10 years there have been a variety of extension projects looking at cover crops, nutrient cycling and carbon sequestration. There continues to be an active research program with a number of cover crop based projects funded every year.


Selection of cover crops used in various systems in Ontario

Red clover:

Row Width Effects on Winter Wheat and Red Clover (Gives an overview of the information available on red clover)


Potential Benefits of a Pea Cover Crop Seeded Following Winter Wheat Harvest - An overview of peas as a cover crop: on-farm research results on pea cover crops after winter wheat as a nitrogen source for subsequent crops.

Tracking Down Cover Crop Nitrogen

Oilseed Radish:

Oilseed radish is popular with producers particularly where manure is applied. For a general overview of oilseed radish see here.

For on-farm research results in the area of nitrogen cycling with oilseed radish see here.

Cereal grasses:



Click here for on-farm research results on cereal cover crops and their impact on second year soybeans


Ontario representatives

Anne Verhallen
Soil Management Specialist (Hort.)
Ontario Ministry of Agriculture, Food and Rural Affairs
P.O. Box 400
Ridgetown, Ontario
N0M 2C0
Phone: 519-674-1614

Christine Brown
Nutrient Management Specialist (Field Crops)
Ontario Ministry of Agriculture, Food and Rural Affairs

Other contacts in Ontario

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MCCC Report


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Other contacts in Ontario

Laura L. Van Eerd  Ph.D., P.Ag.
Assistant Professor
School of Environmental Sciences
University of Guelph Ridgetown Campus
Ridgetown, ON  N0P 2C0
Phone: (519) 674-1500 x63644
Fax:  (519) 674-1640

Bill Deen
Associate Professor, Cropping Systems
Plant Agriculture Department
University of Guelph
(519)824-4120 x53397
 (519)763-8933 (fax)

Darren Robinson
Weed Management - Horticulture
University of Guelph Ridgetown Campus
120 Main Street East
Ridgetown, Ontario
N0P 2C0
Ph: (519) 674-1500 x63604
Fx: (519) 674-1600

Greg Stewart
Corn Industry Program Lead
Ontario Ministry of Agriculture and Food
Crop Science Building
Plant Agriculture Department
University of Guelph
(519)824-4120 x54865
( (519)763-8933 (fax)

Adam Hayes
Soil Management Specialist – Field Crops

Peter Johnson



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