作者: Catherine Badgley , Jeremy Moghtader , Eileen Quintero , Emily Zakem , M. Jahi Chappell
DOI: 10.1017/S1742170507001640
关键词: Agriculture 、 Population 、 Food systems 、 Crop rotation 、 Organic farming 、 Food processing 、 Agricultural land 、 Cover crop 、 Agricultural economics 、 Environmental science
摘要: … The FAO provides estimates of the current food supply in 20 general food categories19 which we modified for our study. We combined three pairs of categories (into sugars and …