Long-term effects of liming and fertilization with N, P and K on ground vegetation, forest growth and soil chemistry of a Scots pine stand (Pinus sylvestris) in central Sweden

abonos fosfatados abonos nitrogenados abonos potasicos arbre forestier botanical composition chaulage composition botanique crecimiento croissance ecological succession encalado engrais potassique fertilisation fertilizer application forest ecology forest soils forest trees growth liming nitrogen fertilizers phosphate fertilizers pinus sylvestris potash fertilizers soil chemicophysical properties sotobosque suecia suelo forestal sweden undergrowth