Agroclimatic atlas of Canada

Accompanying maps

Potential evapotranspiration

Figure 1.1 Annual potential evapotranspiration (50% probability)

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Figure 1.2 Seasonal evapotranspiration (50% probability)

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Seasonal water deficits

Figure 1.3 100 mm storage (50% probability)

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Figure 1.4 100 mm storage (10% probability)

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Figure 1.5 25 mm storage (50% probability)

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Figure 1.6 25 mm storage (10% probability)

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Climatic moisture indices

Figure 1.7 Climatic moisture indices

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Spring freeze dates

Figure 2.1 Average dates of last spring (freeze of 0°C)

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Figure 2.4 Dates of last spring freeze (0°C, 10% probability)

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Figure 2.6 Average dates of last spring freeze (-2°C)

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Figure 2.9 Dates of last spring freeze (-2°C, 10% probability)

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Fall freeze dates

Figure 2.2 Average dates of first fall freeze (0°C)

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Figure 2.5 Dates of first fall freeze (0°C, 10% probability)

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Figure 2.7 Average dates of first fall freeze (-2°C)

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Figure 2.10 Dates of first fall freeze (-2°C, 10% probability)

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Freeze-free dates

Figure 2.3 Average freeze-free period (0°C base)

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Figure 2.8 Average freeze-free period (-2°C base)

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Soil water reserves in the prairie provinces

Figure 3.1 Reserves for spring wheat for May 1st planting on summerfallow

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Figure 3.2 Reserves for spring wheat for May 20th planting on summerfallow

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Figure 3.3 Reserves on October 1st after spring wheat seeded on May 1st

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Figure 3.4 Reserves on October 1st after spring wheat seeded on May 20

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Figure 3.5 Reserves on May 1st for the summerfallow year

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Figure 3.6 Reserves on October 1st for the summerfallow year

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Figure 3.7 Water deficits (50% probability)

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Mean soil temperatures

Figure 4.1 Mean annual soil temperatures at 10 cm

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Figure 4.2 Mean annual soil temperatures at 20 cm

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Figure 4.3 Mean annual soil temperatures at 50 cm

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Figure 4.4 Mean summer soil temperatures at 10 cm

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Figure 4.5 Mean summer soil temperatures at 20 cm

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Figure 4.6 Mean summer soil temperatures at 50 cm

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Figure 4.7 Mean temperatures on May 1st for the prairie provinces

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Figure 4.8 Mean temperatures on May 20th for the prairie provinces

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Thermal resources for maturing crops

Figure 5.1 Spring wheat

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Figure 5.2 Barley

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