The pea aphid on alfalfa
Subtitle: how to control it
By: [prepared by Entomology Research Division, Agricultural Research Service]
Series: Leaflet / United States. Dept. of Agriculture -- no. 529; Leaflet (United States. Dept. of Agriculture) -- no. 529.
Publisher: U.S. Dept. of Agriculture
Published: 1964
Place of publication: Washington, D.C
Language: eng
Subjects: Pea aphid; Control; Alfalfa; Diseases and pests; Forage plants
Notes: Cover title.

Issued May 1964].