Burning for the control of aphids on alfalfa in the Antelope Valley of California
By: by R.A. Blanchard, H.B. Walker and O.K. Hedden
Series: Circular / United States Department of Agriculture -- no. 287; Circular (United States. Dept. of Agriculture) -- no. 287.
Publisher: U.S. Dept. of Agriculture
Published: 1933
Place of publication: Washington, D.C
Language: eng
Number of pages: 24
Subjects: Control; Pea aphid; Alfalfa; Diseases and pests
Notes: Caption title.