Forest Fertilization Research in Finland: A Literature Review
Abstract:This paper summarizes results from fertilization research carried out in Scots pine (Pinus sylvestris L.) and Norway spruce [Picea abies (L.) Karst.] stands growing on mineral soil in Finland. The use of needle and soil analyses to indicate nutrient status and the need for fertilization are discussed along with the possibilities of increasing tree growth in various site types and stages of stand development. Doses, types of fertilizer, application time, growth increase, wood quality and the profitability of fertilization are also discussed. The stand response in terms of soil acidity, biological activity, soil fauna and resistance of trees to nutrient addition are all reviewed. The effects of fertilization on understorey vegetation, mushrooms and berries, and leaching loss of nutrients are also included.
Keywords: BIOLOGICAL ACTIVITY; FERTILIZATION; FINNISH FORESTS; GROWTH INCREASE; LEACHING; LIMING; MUSHROOMS; NUTRIENTS; PICEA ABIES; PINUS SYLVESTRIS; SOIL ACIDITY; TREE RESISTANCE; UNDERSTOREY VEGETATION; WOOD ASH; WOOD QUALITY
Document Type: Research Article
Publication date: December 1, 2001