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Auteur Français Graf, J. E. (John Enos), 1889-

Titre The potato tuber moth / by J.E. Graf.

Adresse Bibliographique Washington, D.C. : U.S. Dept. of Agriculture, 1917.

Exemplaires

Description 56 p. : 1 map ; 24 cm.
Collection Bulletin / United States Department of Agriculture ; no. 427
Bulletin of the U.S. Department of Agriculture ; no. 427.
Notes Caption title.
"February 6, 1917."
"Professional paper."
With: Bound With: Farming on the cut-over lands of Michigan, Wisconsin, and Minnesota.
Bibliography Includes bibliographical references (p. 52-56).
Sujet Potatoes -- Diseases and pests.
Potato tuberworm.
No Doc. Officiel A 1.3:427