[Identifying of optimum tillage deepness as a function of physical traits of soil - erosion and durum wheat production [Triticum durum Desf. - Tuscany]]

aradura aratura biomasa biomass biomassa biomasse crop yield erosion erosione erosión experimentación en campo expérimentation au champ field experimentation labour labranza mínima minima lavorazione minimum tillage mountain soils ploughing porosité du sol rendement des cultures rendimiento de cultivos sistema poroso del suelo soil pore system sol de montagne suelo de montaña suoli di montagna toscana toscane travail du sol minimal triticum durum tuscany érosion