image: Overall average performance of organic agriculture relative to conventional agriculture (indicated by a red circle) per unit area (A) and per unit output (B). This material relates to a paper that appeared in the date, issue of Science Advances, published by AAAS. The paper, by V. Seufert at University of British Columbia in Vancouver, BC, Canada, and colleagues was titled, 'Many shades of gray--The context-dependent performance of organic agriculture.' view more
Credit: [Credit: Seufert <i>et al.</i> Sci. Adv. 2017;3:e1602638]