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Search keyword：(Subject: Sustainable agriculture Economic aspects United States)
Crisis and opportunity : sustainability in American agriculture / John E. Ikerd
: pbk. - Lincoln : University of Nebraska Press , 2008
Together at the table : sustainability and sustenance in the American agrifood system / Patricia Allen
cloth : alk. paper,pbk. - University Park, Pa. : Pennsylvania State University Press , c2004
(Rural studies series)