[New establishment methods for trees in paved areas]

acer platanoides arbre bilan hydrique compactage du sol crecimiento croissance danemark denmark dinamarca enracinement enraizamiento establecimiento de plantas growing media growth plant establishment plant growth substances racine repiquage root systems rooting roots sistema radicular soil compaction soil hydraulic properties substrat de culture substratos de cultivo sustancias de crecimiento vegetal tilia cordata transplanting trasplante trees urban areas water balance zonas urbanas zone urbaine