Grape-spraying experiments in Michigan in 1909
By: by Lon A. Hawkins
Series: U.S. Bureau of Plant Industry -- Circular 65; Circular (United States. Bureau of Plant Industry) -- no. 65
Publisher: Dept. of Agriculture
Published: 1910
Place of publication: Washington
Language: eng
Number of pages: 15
Subjects: Grapes; Diseases and pests; Spraying and dusting in agriculture