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Soil Erosion and its Control

Nature volume 140, page 445 (11 September 1937) | Download Citation



ONE of the effects of the recent world depression has been to focus attention on problems of soil erosion. This has been the case particularly in the United States of America. The preceding years of high prices had led to a rapid expansion of mechanized farming, thereby reducing the man-power required to farm arable land. So long as prices ruled high, little notice was taken of the diminishing returns obtained from such expansive and continuous cropping, but as soon as the bottom fell out of the market, farmers discovered, almost overnight, that they could no longer carry on.

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