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