Aphids on leafy vegetables
Subtitle: how to control them
By: prepared by Science and Education Administration
Edition: Rev. May 1977, slightly rev. Feb. 1981.
Series: Farmers' bulletin (United States. Department of Agriculture) -- no. 2148
Publisher: U.S. Dept. of Agriculture
Published: 1981
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 17
Subjects: Aphids; Biological control