Organic Farming Provides Reliable Environmental Benefits but Increases Variability in Crop Yields: A Global Meta-Analysis oleh Olivia M. Smith, Abigail L. Cohen, Cassandra J. Rieser, Alexandra G. Davis, Joseph M. Taylor, Adekunle W. Adesanya, Matthew S. Jones, Matthew S. Jones, Amanda R. Meier, Amanda R. Meier, John P. Reganold, Robert J. Orpet, Robert J. Orpet, Tobin D. Northfield, Tobin D. Northfield, Tobin D. Northfield, David W. Crowder