The potato leafhopper on alfalfa
Subtitle: how to control it.
Edition: [Slightly rev.
Series: United States. Dept. of Agriculture. Leaflet ;; no. 521; Leaflet (United States. Dept. of Agriculture) ;; no. 521.
Publisher: For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1970
Place of publication: Washington
Language: eng
Subjects: Empoasca fabae -- Control.; Alfalfa -- Diseases and pests.