Fertilizer Tests with Tobacco, with Special Reference to Effects of Different Rates and Sources of Nitrogen and Potash

by David Edward Brown, Donald E. Watkins, Harold Sloan McConnell, James Edward McMurtrey, Robert Andrew Jehle, Roy Harrison Waite, William Beck Kemp, Samuel Henry DeVault, Geary Francis Eppley, Roger F. Burdette, William Paul Walker, Claribel Welsh, William Meadow Lunn · 1933