1. Grassland Soil and Water Research Laboratory, USDA-Agricultural Research Service, Temple, TX 76502, USA
2. Agronomic Institute of Pernambuco (IPA), Bongi, Recife 50761-000, PE, Brazil
3. Department of Ecology and Conservation Biology, Texas A&M University, College Station, TX 77843, USA
4. Oak Ridge Institute for Science and Education, Temple, TX 76502, USA
5. Texas A&M AgriLife Research, Blackland Research and Extension Center, Temple, TX 76502, USA
6. Campo Experimental Pabellón, Instituto Nacional de Investigaciones Forestales, Agricolas y Pecuarias (INIFAP), Km 32.5 Carr. Aguascalientes-Zacatecas, Pabellon de Arteaga 20660, Aguascalientes, Mexico
7. Pacific Islands Climate Adaptation Science Center (PICASC), United States Geological Survey (USGS), Hilo, HI 96720, USA