corn diseases, insects, agriculture department, agronomy department
Agricultural Extension Service, South Dakota State College of Agriculture and Mechanic Arts
In this circular, created by the Agricultural Extension Service at South Dakota State College, the information provided focuses on caring for corn crops through prevention of diseases and insect infestations. This information is provided through the guidance of the Agriculture Department.
Johnston, Ralph E. and Valentine, George H., "Corn Diseases and Insects" (1923). SDSU Extension Circulars. 139.