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Farm spies how the boys investigated field crop insects

Author(s): Conradi, Albert F. - Thomas, William Andrew
Publication Date: 1916.
Publisher(s): The Macmillan Company
Contributor(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Category: Others
Subject(s): Agricultural pests. , Insect pests.
Keywords: Insect pests. Agricultural pests.

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