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Farm spies how the boys investigated field crop insects

Auteur(s): Conradi, Albert F. - Thomas, William Andrew
Date de publication: 1916.
Éditeur(s): The Macmillan Company
Contributeur(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Catégorie: Others
Le sujet(s): Agricultural pests. , Insect pests.
mots-clés: Insect pests. Agricultural pests.

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