Spraying apples for the plum- curculio
Forbes, S.A.
Spraying apples for the plum- curculio - Urbana 1906 - 265-286 p. - Apples Illinois Agricultural Experiment Station. Bulletin No. 108 .
Spraying apples for the plum- curculio - Urbana 1906 - 265-286 p. - Apples Illinois Agricultural Experiment Station. Bulletin No. 108 .