At the Agricultural Engineering Departments of Technion, Israel; Iowa State University, Okalahoma State University and University of Georgia. 
- Modelling of crop growing systems for decision-making and accounting. 
- Artificial intelligence design for planning aerial spraying. 
- Studying cultivators working in hard and stoney soils. 
- Simulations of overload release mechanisms for tillage implements. 
- Analysing soil surface roughness affecting machine accuracy, water distribution and surface drainage. 
- Studying procedures and machines for improving surface drainage in orchards. 
- Studying systems for sampling soils and developing a large soil sore sampler. 
- Simulation of tractor for traction predictions and ballast selection. 
- Studying and inventing a multi-purpose overhead electric-operated field machine.