**Witold Grzebisz**

Professor Dr. Witold Grzebisz has been working at the University of Life Sciences in Poznan, ´ Poland, for 43 years as an academic teacher and scientist. Under his supervision, more than 100 students have achieved a Master of Science (Msc) degree and 28 students have achieved a PhD in the field of agriculture, with special emphasis on soil fertilization and plant nutrition.

Professor Grzebisz is the author of more than 200 original, peer-reviewed scientific papers, of which half have been indexed in world databases (Scopus). He is the author of numerous books and monographs concerning the basis of crop plant nutrition and fertilization addressed to students and advisory staff in agriculture.
