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Plant Diseases ; Twenty Years' Spraying for Potato Diseases ; Potato Diseases and the Weather

Austin Foster HawesBenjamin Franklin LutmanCharles Montgomery GiffordHoward Austin EdsonJoseph Lawrence HillsRobert Mann WashburnVermont Agricultural Experiment StationWilliam Stuart

出版	Vermont Agricultural Experiment Station, 1910
URL	http://books.google.com.hk/books?id=ATBRAQAAMAAJ&hl=&source=gbs_api