Root density and root biomass in pure and mixed forest stands of Douglas-fir and Beech.

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    Abstract

    Root density, root length, root biomass and rooting pattern were surveyed in pure and mixed forest stands of Douglas fir and beech. Root length was largest in a 64-year-old pure beech stand (184 000 km/ha) and smallest in a 60-year-old pure Douglas fir stand (67 000 km/ha). In the mixed stands the soil layers at 0.15-0.30 m and 0.30-0.45 m depth were rooted more intensively than those in the pure stands. Moreover, specific root lengths of Douglas fir and beech were larger in the mixed stands, which may indicate underground competition. This has led to different use of the soil resources.
    Original languageEnglish
    Pages (from-to)321-331
    JournalNetherlands Journal of Agricultural Science
    Volume43
    DOIs
    Publication statusPublished - 1995

    Keywords

    • forestry
    • plant development
    • roots

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