 | Oats Diseases and pests. | (2) |
 |
 | Oat diseases and their control / . Simons, M. D. (Marr Dixon), 1925- 4n Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with Iowa Agriculture and Home Economics Experiment Station, 1968. | |
 | Identifying races of Puccinia graminis f. sp. avenae : a modified international system / . Stewart, D. M., 1908- 4n Washington : U.S. Dept of Agriculture, 1970. | |
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