. Dry farming in western Canada . Fig. —Precipitation Zones in Canada. Approximate boundaries based on Meteorological Service data. (See Figure 110 for more recent detailed map). twice in three years, yet our average yield equals less than the amount eight inches of moisture might produce. The loss through "run-off", seepage, evaporation and transpiration through weeds accounts for this poor showing. From these figures it will be apparent that the pre- cipitation in Western Canada is one of the chief limiting factors in crop yields; it suggests the desirability of more efficient c
. Dry farming in western Canada . Fig. —Precipitation Zones in Canada. Approximate boundaries based on Meteorological Service data. (See Figure 110 for more recent detailed map). twice in three years, yet our average yield equals less than the amount eight inches of moisture might produce. The loss through "run-off", seepage, evaporation and transpiration through weeds accounts for this poor showing. From these figures it will be apparent that the pre- cipitation in Western Canada is one of the chief limiting factors in crop yields; it suggests the desirability of more efficient control of the limited amount of moisture that falls.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdryfarm, bookyear1921
