Soil formation factors. 1 ECTS
Evolution of soil knowledge over time. The soil as a natural factor. The factors of pedogenesis, climate, topography, organisms (plants and living organisms), time, with particular reference to Sardinia.
Soil horizons 0,5 ECTS
Diagnostic horizons with particular reference to those present in Sardinia.
Physical characteristics of the soil and its horizons..
Soil Classification 1 ECTS
Classification of soils, according to Soil Taxonomy (USDA) and WRB (FAO-IUSS). Classification levels, nomenclature rules. Classification of soils found in Sardinia.
Soil water balance. 0,5 ECTS
General principles and methods of calculation. Soil moisture and soil temperature regimes in Sardinia. Use of water soil balance for irrigation practices
Soil profile description. 1 ECTS
Description of the characteristics of the site and of the horizons according to Guidelines FAO for Soil profile description
Elements of Cartography (Exercises and lectures) 1 ECTS
Cartography elements. Main characteristics of the IGM cartography. Orthophoto and stereo photo. Use of GPS in pedological surveys. The soil maps of Sardinia.
Land Evaluation 2ECTS
Land evaluation for control of the degradation processes. Evaluation of the Land capability and suitability for agricultural and forestall uses. Description of the main models and examples of application in Sardinia. The risk of desertification. Causes of land degradation processes, indicators of degradation. The assessment of the risk of desertification.
Use of parametric models in land evaluation. Computer processing data for land evaluation