Books by R. W. Leukel:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Leukel, R. W. (Robert Whitmer), 1888-: Barley diseases controlled by seed treatment (U.S. Dept. of Agriculture, 1934), also by V. F. Tapke (page images at HathiTrust)- Leukel, R. W. (Robert Whitmer), 1888-: Cereal smuts and their control (U.S. Dept. of Agriculture, 1954), also by V. F. Tapke (page images at HathiTrust)
- Leukel, R. W. (Robert Whitmer), 1888-: Experiments with certain copper compounds as bunt fungicides (U.S. Dept. of Agriculture, 1937), also by O. A. Nelson (page images at HathiTrust)
- Leukel, R. W. (Robert Whitmer), 1888-: The nematode disease of wheat and rye (U.S. Dept. of Agriculture, 1929) (page images at HathiTrust)
- Leukel, R. W. (Robert Whitmer), 1888-: Relation of dust fungicides to flow of small grains through drills and to drill injury (U.S. Dept. of Agriculture, 1930) (page images at HathiTrust)
- Leukel, R. W. (Robert Whitmer), 1888-: Stinking smut (bunt) in wheat and how to prevent it (U.S. Dept. of Agriculture, 1931), also by R. J. Haskell and E. G. Boerner (page images at HathiTrust)
- Leukel, R. W. (Robert Whitmer), 1888-: Studies on bunt, or stinking smut, of wheat and its control (U.S. Dept. of Agriculture, 1937) (page images at HathiTrust)
- Leukel, R. W. (Robert Whitmer), 1888-: The use of chlorine gas as a seed disinfectant (U.S. Dept. of Agriculture, 1940), also by O. A. Nelson (page images at HathiTrust)
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