. Dry-farming : a system of agriculture for countries under a low rainfall . Dry farming. THE WATER NECESSARY FOR A CROP 19 bushel of wheat, v/ith the corresponding quantity of straw, would require 2 times 45,000, or 90,000 pounds of water. This is equal to 45 tons of water for each bushel of wheat. While this is a large fig- ure, yet, in many localities, it is undoubtedly well within the truth. In comparison with the amounts. Fig. 8. The famous Palouse wheat ser-tion is a succession of low rolhng hills. Idaho. of water that fall upon the land as rain, it does not seem extraordinarily large. O
. Dry-farming : a system of agriculture for countries under a low rainfall . Dry farming. THE WATER NECESSARY FOR A CROP 19 bushel of wheat, v/ith the corresponding quantity of straw, would require 2 times 45,000, or 90,000 pounds of water. This is equal to 45 tons of water for each bushel of wheat. While this is a large fig- ure, yet, in many localities, it is undoubtedly well within the truth. In comparison with the amounts. Fig. 8. The famous Palouse wheat ser-tion is a succession of low rolhng hills. Idaho. of water that fall upon the land as rain, it does not seem extraordinarily large. One inch of water over one acre of land weighs approximately 226,875 pounds, or over 113 tons. If this quantity of water could be stored in the soil and used wholly for plant production, it would pro- duce, at the rate of 45 tons of water for each bushel, about 2i bushels of wheat. With 10 inches of rain-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Widtsoe, John Andreas, 1872-1952. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, bookpubli, booksubjectdryfarming
