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Seed Testing Apparatus ; A Study of Conditions Under which Our Germination Tests are Made

Harrison GarmanLinwood Arnold BrownRobert McDowell AllenEdwin Stanton GoodKentucky Agricultural Experiment Station. Food and Drug DivisionMelville Amasa Scovell

出版	Kentucky Agricultural Experiment Station of the State University, 1909
URL	http://books.google.com.hk/books?id=0c1QAQAAMAAJ&hl=&source=gbs_api