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1. Agro-ecoregionalization of Iowa using multivariate geographical clustering

Description:: Includes references
Author:: Williams, C.L. , Hargrove, W.W. , Liebman, M. , James, D.E.
Subject:: agroecological zones , crops , geographical variation , geographic information systems , risk assessment , simulation models , environmental factors , spatial variation , spectral analysis , land resources , environmental impact , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008