[On the good praxis by the use of modern sugarbeet harvest technique]

beta vulgaris compactage du sol conservation des sols equipment characteristics pression pressure remolacha azucarera rendement rendimiento root harvesters roue ruedas sistema poroso del suelo soil chemicophysical properties soil compaction soil conservation soil pore system soil structural units sugar beet trigo triticum aestivum unidades estructurales de suelos wheats wheels yields