Soil physics and soil tillage, agrohydrology.
Water and solute transport in unsaturated soil, preferential flow processes, soil structure, colloid-facilitated transport in field soils, effects of soil management on water and chemical transport, on crop root development and on the field water balance. Soil compaction, soil physical properties and crop growth.
Fundamental soil mechanics with particular weight to the critical state theory.
Remote sensing of biophysical crop parameters.