Some destructive potato diseases
Galloway, B.T.
Some destructive potato diseases What they are and how to prevent them - Washington 1894 - 1-8 p. - Potato, Diseases United States Department of Agriculture. Farmers Bulletin No. 15 .
Some destructive potato diseases What they are and how to prevent them - Washington 1894 - 1-8 p. - Potato, Diseases United States Department of Agriculture. Farmers Bulletin No. 15 .