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By: Gilbert, Joseph Henry,Edition:Publication info: London, Harrison, 1891Volume:Series:Holding Institution: University of California LibrariesSubjects: Agriculture Experimentation Rothamsted Experimental Station, Harpenden, EnglanBHL Collections:
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By: Tipper, C. J. R.Edition:Publication info: London, C. Lockwood, 1897Volume:Series:Holding Institution: University of British Columbia LibrarySubjects: Agriculture Experimentation Rothamsted Experimental Station, Harpenden, EnglanBHL Collections: