Blackleg disease of potatoes in Minnesota /
Leach, J. G.
Blackleg disease of potatoes in Minnesota / J. G. Leach - St. Paul : University Farm, 1931 - 36 p. : ill. ; 27 cm - Technical bulletin. University of Minnesota Agricultural Experiment Station ; n. 76 .
Blackleg disease of potatoes in Minnesota / J. G. Leach - St. Paul : University Farm, 1931 - 36 p. : ill. ; 27 cm - Technical bulletin. University of Minnesota Agricultural Experiment Station ; n. 76 .