Cooperative studies of sweetpotato-plant production - Edmond, J. B. (Joseph Bailey), 1896- (Washington, U. S. Govt. Print. Off., 1948)
Caption title.
Contribution from Bureau of Plant Industry, Soils, and Agricultural Engineering, in cooperation with the Agricultural Experiment Stations of Mississippi and South Carolina.
"Literature cited": p 17.
Keywords: Sweet potatoes -- Research