Brazilian Soybean Yields and Yield Gaps Vary with Farm Size

Graham Robert Jeffries1, Avery Cohn2, Timothy S Griffin1 and Arthur Bragança3, (1)Tufts University, Friedman School of Nutrition Science and Policy, Medford, MA, United States, (2)Tufts University, The Fletcher School, Medford, MA, United States, (3)TRACES, Rio de Janeiro, Brazil