Dr. Libia Iris Trejo-Téllez is a Full Professor at the College of Postgraduates in Agricultural Sciences in Mexico. She leads the Laboratory of Plant Nutrition at Montecillo Campus. She obtained the degree of Agronomist Engineer Specialist in soil sciences from the Chapingo Autonomous University in Mexico in 1995. In 2000, she obtained an MSc Degree in soil science and plant nutrition from the College of Postgraduates in Agricultural Sciences in Mexico. In 2004, she obtained the degree of Doctor rerum naturalium from the Free University of Berlin in Germany. Her research interests include plant nutrition, plant biostimulation, plant physiology, crop productivity, abiotic stress tolerance, and plant metabolism.