3 resultados para täydennysojitus

em Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland

Effect of drainage maintenance on the nutrient status on drained Scots pine mires

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Tiivistelmä: Kunnostusojituksen vaikutus rämeiden ravinnetilaan

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The effect of thinning and ditch network maintenance on the water table level in a Scots pine stand on peat soil

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Effects of maintaining ditch networks on the development of Scots pine stands

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Tiivistelmä: Kunnostusojituksen vaikutus rämemänniköiden kehitykseen

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