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The Influence of Seeding Rates on Yield and Stand of Alfalfa in Oregon's Willamette Valley

Earl M. BatesGary D. JolliffJames T. RyanSteven T. BuccolaW. P. StephenWilliam A. McNameeWilliam Saxon McGuire

出版	Agricultural Experiment Station, Oregon State University, 1980
URL	http://books.google.com.hk/books?id=hMtPAQAAMAAJ&hl=&source=gbs_api