1. Department of Soil Science, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo, 11 Pádua Dias, Piracicaba, São Paulo 13418-000, Brazil
2. Department of Soil Science, College of Agriculture and Bioresources, University of Saskatchewan, 51 Campus Drive, Saskatoon, Saskatchewan S7N 2V3, Canada
3. Agricultural Water Efficiency and Salinity Research Unit, United States Department of Agriculture, 450 West Big Springs Road, Riverside, California 92507, United States