Papers on deciduous fruit insects and insecticides.
Subtitle: Vineyard spraying experiments against the rose-chafer in the Lake Erie Valley.
By: By FredJohnson ...
Series: U.S. Dept. of agriculture. Bureau of entomology. Bulletin; no. 97, pt. III
Publisher: Govt. print. off.
Published: 1911
Place of publication: Washington
Language: eng
Number of pages: 64
Subjects: Rose-chafer.; Grapes -- Spraying.