[Weed management. The new criteria for weed control]

biological control consociazione controllo biologico cover plants cultivo intercalado culture intercalaire diserbo diserbo meccanico escarda fertilidad del suelo intercropping lutte biologique malezas mauvaise herbe oversowing piante piante da copertura piante infestanti plantas plantas de cobertura plante plante de couverture plants resiembra rotation culturale rotational cropping semis sous couvert soil fertility trasemina weed control weed control equipment weeding weeds