Residual effects of N fertilization on soil-water chemistry and ground vegetation in a Swedish Scots pine forest

abonos abonos nitrogenados agua del suelo aluminio aluminium amendement calcique ammonium fertilizers ammonium nitrate bosques cadmio cadmium cation cationes cations cladonia eau du sol efectos residuales engrais enmiendas calizas fertilizers forests lime liming materials nitrate nitrate d'ammonium nitrates nitrato de amonio nitratos nitrogen fertilizers ph pinus sylvestris residual effects soil water vegetation