Author: Larson, A. O. / Brindley, T. A. / Hinman, F. G.
Title: Biology of the pea weevil in the pacific northwest with suggestions for its control on seed peas
Description: United States Department of Agriculture, 1938. - Technical Bulletin No. 599 / Text englisch - Einband: Paperback/Taschenbücher. 66

Keywords: Landwirtschaft