[ 发表于: Pollution ]
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Nitrification in organic and mineral soil layers in coniferous forests in response to acidity

1998

Rudebeck, A. | Persson, T. (Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, P.O. Box 7072, S-750 07 Uppsala (Sweden))

Department for Environment, Food and Rural Affairs - United Kingdom



Effects of liming on root growth

1988

Persson, H. (Sveriges Lantbruksuniv., Uppsala (Sweden). Inst. foer Ekologi och Miljoevaard)

Swedish University of Agricultural Sciences - Sweden