potato, potato crop, care for the crop, agronomy department, agriculture 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 the spraying of the potato crop through the guidance of the Agriculture Department.
Valentine, George H., "Spraying the Potato Crop" (1923). SDSU Extension Circulars. 142.