Disinfecting seed potatoes
Weiss, Freeman
Disinfecting seed potatoes - Washington 1929 - 1-4 p. - Seed, Potatoes United States Department of Agriculture. Miscellaneous Publication No. 53 .
Disinfecting seed potatoes - Washington 1929 - 1-4 p. - Seed, Potatoes United States Department of Agriculture. Miscellaneous Publication No. 53 .