Culture and agricultural importance of earthworms / by Robert C. Ball and L.L. Curry.

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Bibliographic Details
Main Author: Ball, Robert C., 1912- (Author)
Corporate Authors: Michigan State University. Cooperative Extension Service
Michigan State University. Agricultural Experiment Station
Other Authors: Curry, L. L.
Published: East Lansing, [Mich.] : Michigan State University, Agricultural Experiment Station, Cooperative Extension Service, [1956]
Series:Circular bulletin (Michigan State University. Agricultural Experiment Station) ; 222.
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Physical Description:1 online resource (27 pages, 1 unnumbered pages) : illustrations.
Format: Electronic eBook