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By: United States. Agricultural Research Service. - American Society of Agronomy.Edition:Publication info: [Beltsville, Md.], U.S. Dept. of Agriculture, Agricultural Research Service, 1962Volume: no.34-49Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: American Society of Agronomy.Edition:Publication info: Washington, D.C, The Society, 1910-1913Volume: v.2(1910)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections: