Identification and judging of crops, weeds, and diseases
By: by Harold K. Wilson and Alvin H. Larson.
Contributors: Larson, Alvin Halver, 1886-
Publisher: The Interstate
Published: 1940
Place of publication: Danville, Ill
Language: eng
Number of pages: 65
Subjects: Plant diseases.; Botany, Economic.; Field crops -- Judging.