AgroManager on Weeds, Insects and Diseases (interactive CD), Western Cooperative Fertilizers

AgroManager on Malt Barley, Western Cooperative Fertilizers

The Island Magazine

PEI Invasive Species Council and Macphail Woods Ecological Forestry Project website

Crop Staging Guide, Agricore United

Canola Growers Manual, Canola Council of Canada

Weeds of the Prairies, Alberta Agriculture, Food and Rural Development (AAFRD)

How Herbicides Work, Mechanisms of Action, AAFRD

Weed Seedling Guide, AAFRD

Crop Protection with Chemicals, AAFRD

Common Winter Annual Weeds in Alberta, AAFRD

Agricultural Factsheets, AAFRD

Field Views: Weeds (interactive CD), Viridian

Field View: Nutrient Deficiencies (interactive CD), Viridian

Pocket Guides, Field Scouting, Agrium

Grainmagazine; Disease, Weeds & Insects, Grainnews

Agricultural advertisements, newsletters, scientific papers