Teacher Leonardo Theodoro Bull

He holds a degree (1978) in Agronomy from UNESP, a master's degree (1983) and a doctorate (1986) in Soils and Plants Nutrition from the University of São Paulo - USP, free teaching (1991) and a Professor Titular (1998) in Soil Fertility from Unesp.

He was Director of FCA/UNESP of Botucatu (2005-2009) and Pro-Rector of Strategic Planning and Management of UNESP (2017-2021).

He was a fellow member of the CNPq-Productivity in Research from 04/1989 to 02/2021.

He has experience in the area of Agronomy, with emphasis on Soil Fertility, Nutrition and Fertilization of Cultivated Plants, acting mainly in the following topics: cationic balance in soil and plant, agronomic efficiency of phosphate fertilizers, use of industrial and urban waste and silicon in agriculture.

Leader of the SiSPlant Research Group - Silicon in the Soil-Plant System.