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The Effects of Phosphorus and Sulfur Fertilizers on Flower Production of Roses and Carnations

Charles Bovett SayreEmil Wilhelm LehmannErnest Everett De TurkFrederick Alexander DavidsonFrederick Charles BauerFrederick Francis WeinardGeorge Harlan DunganHarold Clayton M. CaseLouie Henrie SmithTom Sherman HamiltonArthur Maxwell BrunsonArthur Moses BuswellPhilip Augustus LehenbauerRobert Cooke RossWilliam Garfield KammladeWilliam Leonidas BurlisonHarold Hanson MitchellRaymond Charles KelleherRobert Watt Stark

出版	University of Illinois Agricultural Experiment Station, 1927
URL	http://books.google.com.hk/books?id=L-JRAQAACAAJ&hl=&source=gbs_api