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A study was conducted to determine soil chemistry in an uncut black spruce (Picea mariana) forest with and without the ericaceous understory shrub Kalmia angustifolia, as well as on a cut black spruce forest currently dominated by Kalmia. The organic (humus) and mineral (Ae, upper and lower B horizons) soils associated with Kalmia from uncut and cut forests, and non-Kalmia soils from uncut forest,...
The effects of leaves and litter of the boreal forest understory shrub, Ledum groenlandicum, on soil characteristics and black spruce (Picea mariana) seedling growth were investigated. Organic and mineral soils, not previously associated with L. groenlandicum, were amended with leaves and litter of this species. The objectives of the present study were: (i) to determine the changes in soil characteristics...
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