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The Effect of Rate of Nitrogen Fertilization, Geographic Location, and Date of Harvest on Yield, Acceptability, and Nutritive Value of Timothy Hay

Bennett Bert FosterClifton C. CloudDavid H. HarringtonEdwin Tighe BardwellHarold Clayton GrinnellOliver Pagan WallaceDavid A. StoreyRichard A. AndrewsRichard D. HopkinsRichard R. WeyrickGeorge E. FrickRobert Lawrence Christensen

出版	Agricultural Experiment Station, University of New Hampshire, 1967
URL	http://books.google.com.hk/books?id=eNFQAQAAMAAJ&hl=&source=gbs_api