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pro vyhledávání: '"Michael Gertler"'
Autor:
Daniel H. O'Leary, Barry Commoner, Sarah Fast, William Lockeretz, Roger Blobaum, Michael Gertler, Robert Klepper
Publikováno v:
American Journal of Agricultural Economics. 59:1-12
Recent energy and environmental problems in U.S. agriculture have stimulated interest in alternative technologies or systems of agricultural production. Large-scale, mechanized organic farms that use little or no inorganic fertilizers or chemical pes