Dr. Magdalena Dębicka, an assistant professor at the Institute of Soil Science, Plant Nutrition and Environmental Protection, Wroclaw University of Environmental and Life Sciences, Poland, graduated in agronomy, soil science, and environmental sciences, and is a member of the Polish Humic Substances Society, chapter of the International Humic Substances Society and Soil Science Society of Poland. Research interests: phosphorus sorption and behaviour in soil and environment, soil colloidal fraction, organic matter transformation, waste organic materials, organic soils, soil degradation.