Biological control: spreading the benefits
Series: Program aid -- 1395; Program aid (United States. Department of Agriculture) -- 1395.
Publisher: U.S. Dept. of Agriculture
Published: 1989
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 11
Subjects: Insects; Plant pathogens; Insect pests; USDA; Biological control
Notes: Nov 1989.