In Quebec, land management practices are summarized at the Division level because of the large number of CCSs. Fertilizers All agricultural areas in Ontario and Quebec report the use of fertilizers. Fifty-five Quebec Divisions, almost all located south of the St. Lawrence River, use fertilizers on more than 50 percent of cultivated land.
CCSs report using herbicides.
Herbicides are used on more than 50 percent of the cultivated land in 133 CCSs, found mainly in southwestern Ontario. Ontario and Quebec report a high use of forages in crop rotations. Forages are used in crop rotations in all Quebec regions. Sales have little effect on the use of contour cultivation and windbreaks. Tillage Practices Used to Prepare Land for Seeding Ontario farms report preparing more than 2.5 million hectares of cropland for seeding in 1991.