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By: Gilbert, Joseph Henry,Edition:Publication info: London, Harrison, 1891Volume:Series:Holding Institution: University of Toronto - Gerstein Science Information CentreSubjects: Agriculture RothamstedBHL Collections:
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By: Lawes, J. B. (John Bennet),Edition:Publication info: Edingurgh, Blackwood, 1895Volume:Series:Holding Institution: University of Toronto - Gerstein Science Information CentreSubjects: Agriculture Experimental Station Great Britain RothamstedBHL Collections:
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By: Weir, Wilbert Walter,Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1926Volume: no.1377 (1926)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: AgSpace crop production Crop rotation crop yield experiment stations Fertilizers Internet resource land management long term experiments research methods Rothamsted Soil management Soil productivity YieldsBHL Collections: