A B C D E F G H I J-K L M N O P Q-R S T U V W-Y
close this section of the libraryOats Diseases and pests.(2)
View the documentOat 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.
View the documentIdentifying races of Puccinia graminis f. sp. avenae : a modified international system / . Stewart, D. M., 1908- 4n Washington : U.S. Dept of Agriculture, 1970.