Published online by Cambridge University Press: 24 August 2009
The Great Plains Forest Shelter-belt Project began in 1935 and was the largest tree-planting programme ever attempted in the Great Plains. Its goals included soil-moisture conservation, enhancement of a seemingly featureless environment, improvement of crop yields, preservation of the soil resource, and climatic amelioration. The first four proved realistic, and quickly became the prime rationale for the programme. Millions of trees were planted, from the Dakotas to Texas, and some planting still continues under two federal cost-sharing arrangements. In many instances, the total number of hectares that have been planted exceeds the natural forest vegetation.
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