Soil Physical Processes, Measurement and Modelling of Water and Solute Transport in Field Soil and Surface/Groundwater Systems, Surface runoff and Erosion Modelling, Irrigation and Drainage, Soil Structure and Compaction/Surface Seal and Crust Management, Soil and Water Conservation and Management, Conservation Tillage, Spatial Variability (Geostatistics) and Site Specific Soil Management (Precision Farming), Integrated Soil Fertility Management, and Climate change in relation to Agriculture and Food Security.