Orchard insect and disease conditions ...
- Illinois. Natural History Survey Division.
- University of Illinois (Urbana-Champaign campus). Extension Service in Agriculture and Home Economics.
- University of Illinois (Urbana-Champaign campus). College of Agriculture.
View in ORKGAbstract
Mimeographed.1935-Apr. 8, 1939 "from Illinois state Natural history survey and College of agriculture, University of Illinois"; Apr. 15, 1939-1943 "from Illinois state Natural history survey and Extension service in agriculture and home economics, University of Illinois, College of agriculture."Weekly radio flashes given during the growing season.Mode of access: Internet.Wanting: June 1, 8, 22, 29, July 13, 1935