Biologia.
Fertilitat dels sòls. (Biology. Soil fertility)
1. Crop management (particularly potatoes), water efficiency; soil fertility; hedgerow management.
2. Biological soil activity evaluation (enzymatic activity) and relationships between biological soil activity and soil fertility. Effects of vegetation on biological soil activity. Studies on the biological activity in soils differing in organic matter source (sludge compost, solid city waste, manure).
3. Agronomic evaluation of sewage sludge in order to define standards of use.
4. Nitrogen fertilization improvement of potato culture to adjust crop needs and to decrease contamination to aquifers supporting production.
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