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Field Experiments with Corn, 1888

Edward Holyoke FarringtonGeorge Espy MorrowStephen Alfred ForbesThomas Forsyth HuntThomas Jonathan Burrill

出版	University of Illinois Agricultural Experiment Station, 1891
URL	http://books.google.com.hk/books?id=rJxRAQAAMAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN