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Fertilizers and Cover Crops on Soils in the Irrigated Orchards of Washington

Anthony SpulerE. A. TaylorHarry Lee GarverHerbert FredellM. E. McCollamOscar Matison MorrisGeorge SeveranceChester Leon VincentL. W. Cassel

出版	State College of Washington, Agricultural Experiment Station, 1927
URL	http://books.google.com.hk/books?id=gqBKAQAAMAAJ&hl=&source=gbs_api