Reference Library: crop-yields
Trading carbon for food: Global comparison of carbon stocks vs. crop yields on agricultural land
November, 2010. Paul C. West, Holly K. Gibbs, Chad Monfredad, John Wagner, Carol C. Barford, Stephen R. Carpenter and Jonathan A. Foley. PNAS. Vol. 107 No. 46, pp: 19645-19648. doi: 10.1073/pnas.1011078107