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Effect of drainage maintenance on the nutrient status on drained Scots pine mires
(Helsinki : Suoseura, 1999)
Ectomycorrhizae in Scots pine seedlings at different trophic levels of a drained mire : a preliminary study
(Helsinki : Suoseura, 2000)
Peat properties and vegetation along different trophic levels on an afforested, fertilised mire
(Helsinki : Suoseura, 2001)
Estimating potassium nutrition of Norway spruce with needle analysis during different seasons
(Helsinki : Suoseura, 2002)