. Death to the rodents. Death to the Rodents. 423 chard trees from depredations of pine mice from 1915 to 1917 were estimated at not less than $200,000. Similarly heavy losses were disclosed in other States as attention was directed to these direct causes of decreased production. It is estimated that native rodents cause a loss of $150,000,000 a year in the United States in cultivated crops and a similar loss in forage on the pasture ranges, making a total loss of $300,000,000 a year from this B20742; B20743 Effect f Prairie Dogs on Range Production, Upper view, an area which has not
. Death to the rodents. Death to the Rodents. 423 chard trees from depredations of pine mice from 1915 to 1917 were estimated at not less than $200,000. Similarly heavy losses were disclosed in other States as attention was directed to these direct causes of decreased production. It is estimated that native rodents cause a loss of $150,000,000 a year in the United States in cultivated crops and a similar loss in forage on the pasture ranges, making a total loss of $300,000,000 a year from this B20742; B20743 Effect f Prairie Dogs on Range Production, Upper view, an area which has not yet been invaded by prairie dogs, showing the natural stand of grama grass, one of the most valuable range forage plants. Lower view, from photograph taken at the same time of a near-by area in- vaded by prairie dogs. Here these pests have completely destroyed all valuable forage grasses, reducing the stock-carrying capacity to 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 Bell, W. B. (William Bonar), 1877-1949.
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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1921
