The pea aphis with relation to forage crops
By: by J.J. Davis
Series: Bulletin / United States Department of Agriculture -- no. 276; Bulletin of the U.S. Department of Agriculture -- no. 276.
Publisher: U.S. Dept. of Agriculture
Published: 1915
Place of publication: Washington, D.C
Language: eng
Number of pages: 67
Subjects: Pea aphid; Legumes; Diseases and pests
Notes: Caption title.

"September 29, 1915."

"Professional paper."

Errata sheet included.

Bibliography: p. 55-67.