1. Regional Universitary Unit on Arid Lands, Chapingo Autonomous University, Bermejillo 35230, Mexico
2. National Institute of Agricultural and Livestock Forestry Research, National Center for Disciplinary Research in Water Soil Plant Atmosphere Relations, Gómez Palacio 35079, Mexico
3. National Institute of Agricultural and Livestock Forestry Research, Northeast Regional Research Center, Saltillo Experimental Station, Saltillo 25315, Mexico