Potato diseases and their control
Bliss, R.K.
Potato diseases and their control - Ames 1921 - 1-15 p. - Potato, Diseases Iowa Agricultural Extension Service. Bulletin No. 83 .
Potato diseases and their control - Ames 1921 - 1-15 p. - Potato, Diseases Iowa Agricultural Extension Service. Bulletin No. 83 .