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- United States. Agricultural Research Service16
- International Rice Research Institute12
- Agricultural System Competitiveness and Sustainability National Program (U.S.)7
- ARS Climate Change, Soils, and Emissions National Program (U.S.)4
- International Maize and Wheat Improvement Center3
- Miller, M. F. (Merritt Finley), 1875-3
- Schneider, Karl, 1946-3
- Battaglin, William A.2
- Blair, A. W. (Augustine Wilberforce), 1866-2
- Dutsadī ʻĀyuwat2
- Food and Agriculture Organization of the United Nations. Crop and Grassland Service2
- International Crops Research Institute for the Semi-arid Tropics2
- International Institute of Tropical Agriculture2
- Ladha, J. K. (Jagdish Kumar), 1952-2
- National Agricultural Library (U.S.)2
- Nyankpala Agricultural Experiment Station2
- Runge-Metzger, Artur2
- Sunirat Chaisonsawat2
- United States. Environmental Protection Agency2
- Wilcox, Walter W. (Walter William), 1904-2