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Analyses of Commercial Fertilizers

Beauregard Aull RussellErwin Cecil EltingGeorge Miller ArmstrongJohn Gordon WattsWilliam Reynolds PadenGeorge Hubert AullJohn Leonard FulmerMarvin GuinMary Elizabeth Frayser

出版	South Carolina Agricultural Experiment Station, 1935
URL	http://books.google.com.hk/books?id=gAlQAQAAMAAJ&hl=&source=gbs_api