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By: United States. Soil Conservation Service.Edition:Publication info: S.l, s.n, n.dVolume: 1936Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Animal behavior Animal ecology Soil conservation soil resource management Soil scienceBHL Collections:
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By: Pieters, A. J. (Adrian John),Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, [1938]Volume: no.165Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: AgSpace conservation plants Crops and soils Grasses Internet resource Soil conservation Soil degradation Soil management soil organic matter soil quality soil resource managementBHL Collections: