Media type: E-Article Title: Commentary and Responses Editors' Preface Contributor: Doran, John W. imprint: Cambridge University Press (CUP), 2007 Published in: Renewable Agriculture and Food Systems Language: English DOI: 10.1017/s1742170507002116 ISSN: 1742-1705; 1742-1713 Keywords: Agronomy and Crop Science ; Food Science Origination: Footnote: