The Beet Leafhopper and Curly-top Situation in Utah George F. Knowlton Published: 1927 Total Pages: 20 Get eBook
Life History, Host Plants, and Migrations of the Beet Leafhopper in the Western United States William Carmichael Cook Published: 1967 Total Pages: 132 Get eBook
Cooperative Economic Insect Report United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs Published: 1965 Total Pages: 770 Get eBook
Hearings, Reports and Prints of the Senate Committee on Appropriations United States. Congress. Senate. Committee on Appropriations Published: 1965 Total Pages: 830 Get eBook
Department of Agriculture Elimination of Agricultural Research Stationsand Lines of Research, Hearings Before ... 89-1 United States. Congress. Senate. Appropriations Committee Published: 1965 Total Pages: 1106 Get eBook