Some interesting links:

http://www.agr.gc.ca/index_e.phtml

http://www.agnic.org/mtg/omc.html

http://www.aic.ca/

http://www.cog.ca/

http://www.usask.ca/agriculture/plantsci/

http://www.ccse-swcc.nb.ca/

http://www.rockandrollagronomy.com/links.htm

http://www.netfx.ca/nlfa/

http://www.umanitoba.ca/afs/plant_science/

http://www.town.truro.ns.ca/