Abstract
WITH regard to Mr. Carus-Wilson's fear (NATURE, July 27) that the heating of the earth will multiply pests, one may point out that earth-warming is already greatly used. Large areas of land are covered by glass to maintain a high temperature, and land is also heated directly for forcing rhubarb. One may conclude that farmers would welcome further means for heating the land if the expense were not too great.
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TURNBULL, C. The Utilisation of Waste Heat for Agriculture. Nature 97, 520 (1916). https://doi.org/10.1038/097520d0
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DOI: https://doi.org/10.1038/097520d0
