Dry farming in western Canada dryfarminginwes00brac Year: 1921 26 DRY FARMING heat received from the sun during the growing season. At the same time the extremes of low temperature with- in the growing period limit the successful growth of the warm weather crops such as corn, sorghum, Sudan grass and certain of the heat-loving vegetables. 16. The Temperature Zones of Canada.—The average temperatures for the year and for the summer for the whole of Canada is shown in Pig. 12. From this it will Fig. 12.—-Temperature Zones of Canada. The shaded area represents the average summer temperature
Dry farming in western Canada dryfarminginwes00brac Year: 1921 26 DRY FARMING heat received from the sun during the growing season. At the same time the extremes of low temperature with- in the growing period limit the successful growth of the warm weather crops such as corn, sorghum, Sudan grass and certain of the heat-loving vegetables. 16. The Temperature Zones of Canada.—The average temperatures for the year and for the summer for the whole of Canada is shown in Pig. 12. From this it will Fig. 12.—-Temperature Zones of Canada. The shaded area represents the average summer temperature and the unshaded portions the average temperature for the year. From Meteoro- logical Reports. be observed that southern Alberta and southwestern Saskatchewan and the southern part of the Red River Valley are the warmest for both the year and the sum- mer, and that the temperature decreases in a north- easterly or a northerly direction, but that in the direc- tion of northern Alberta and northwestern Saskatch- ewan the temperature decreases less rapidly than in northern Manitoba.
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