Sources for the September 2009 map “The Next Breadbasket”
Feed the World
Land Suitability for Rainfed Agriculture:
Source: "Global Agro-ecological Assessment for Agriculture in the 21st Century,
Plate 46: Suitability for rain-fed crops (maximizing technology mix)," [PDF] IIASA/FAO
Wheat Potential Yield and Actual Yield:
Source: "World Agriculture: Towards 2015/2030," FAO
Rice Potential Yield:
Source: "Reflections on Yield Gaps in Rice Production: How to Narrow the Gaps,"
Mahmud Duwayri, Dat Van Tran, and Van Nguu Nguyen, FAO
Rice Actual Yield:
Source: 2005 data, FAO
Corn Potential Yield and Actual Yield:
Source: "World Development Report 2008: Agriculture for Development," [PDF] World Bank
U.S. Corn Potential Yield:
Source: Kenneth Cassman
U.S. Corn Actual Yield:
Source: 2005 data, FAO
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