Abstract
In Nature, vol. xvii., p. 18, there is an account under the above heading of M. Hensen's investigations of this subject, to which I wish to add a note. He says the assertion that the earth-worms gnaw roots is not proved by any fact; roots gnawed by worms were never met with by him, and the contents of the intestines of the worms never included fresh pieces of plants. The experience of gardeners that the earth-worm injures pot plants may be based on the uncovering or mechanical tearing of the roots.
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KEY, H. The Earthworm in Relation to the Fertility of the Soil. Nature 17, 28 (1877). https://doi.org/10.1038/017028a0
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DOI: https://doi.org/10.1038/017028a0
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