1. Sweet potato plant production;Anderson;Miss. Agric. Exp. Stn. Bull.,1940
2. Regional studies of time of planting and hill spacing of sweet potatoes;Anderson;USDA Circ.,1945
3. Growth rates and nutrient concentrations in Maryland tobacco;Bruns;Tob. Sci.,1988
4. Co-operator studies on the culture of sweet potatoes in the south-eastern United States;Edmond,1953