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Auteur Français Blanchard, R. A.

Titre Control of aphids on alfalfa in the Antelope Valley, Calif. / by R.A. Blanchard.

Adresse Bibliographique Washington, D.C. : U.S. Dept. of Agriculture, 1934.

Exemplaires

Description 7 p. ; 23 cm.
Collection Circular / United States Department of Agriculture ; no. 307
Circular (United States. Department of Agriculture) no. 307.
Notes Caption title.
"Contribution from Bureau of Entomology."
With: Bound With: Three bacterial spots of tomato fruit.
Sujet Pea aphid -- Control -- California.
Alfalfa -- Diseases and pests -- California.
No Doc. Officiel A 1.4/2:307