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Experiments with spray solutions for preventing insect injury to green logs

Auteur(s): Craighead, Frank C.
Date de publication: 1922.
Éditeur(s): U.S. Dept. of Agriculture
Contributeur(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Catégorie: Others
Le sujet(s): Spraying and dusting in agriculture. , Forest insects--Control.
mots-clés: Spraying and dusting in agriculture. Forest insects Control.

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