Field experiments in spraying apple orchards for the control of apple blotch
By: by A.J. Gunderson.
Series: Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 222; Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 222.
Publisher: University of Illinois Agricultural Experiment Station
Published: 1919
Place of publication: Urbana, Ill
Language: eng
Number of pages: 575
Subjects: Apples -- Diseases and pests.; Apple blotch