Prof. Dr. Maria Betânia Galvão dos Santos Freire graduated with a degree in Agronomy from the Federal Rural University of Pernambuco (1986), a Master’s in Agronomy (Soil Science) from the Federal Rural University of Pernambuco (1993), and a Ph.D. in Soil and Plant Nutrition from the Federal University of Viçosa (2002). She has a postdoctoral degree in Soil and Plant Nutrition from the Federal University of Viçosa (2008) and Ecosystem Science and Management from Texas A&M University (2016). She is a Full Professor at the Federal Rural University of Pernambuco. Her research lines include saline and sodic soils, management and recovery of soils affected by salts, phytoremediation of saline soils, semi-arid soils, soil–forest ratio, semi-arid water soil, and irrigation water quality. She is a Permanent Professor of the Graduate Programs in Soil Science and Forest Sciences at the Federal Rural University of Pernambuco.