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Cutting tree roots

Discussion in 'Landscape Architecture and Design' started by Coffeecraver, Nov 3, 2004.

  1. Coffeecraver

    Coffeecraver LawnSite Senior Member
    from VA.
    Messages: 793

    Tree roots:

    Balance between the crown and the root system is important for maintaining healthy trees.When roots are lost for any reason,the imbalance creates stress.A tree usually has 4-7 major roots.Cutting just one of them a few feet from the trunk can remove 25% of the root system.

    If roots are severed within the dripline for a permanent grade change,the roots that are cut off are gone forever.
    There is no place for them to regenerate.The tree will be under stress permanently and decline is likely if more than 25% of the root system is removed.In such situations,giving the tree extra water during summer dry periods and thinning the crown may help minimize and delay the decline.

    Soil Excavation: A temporary soil excavation,such as for a uttility installation or repair,may result in significant root loss,but if the soil is replaced afterward(with the topsoil placed back on top)
    recovery is possible.If the roots can regenerate into the restored site soil.Extra care (primarily watering) will be required for many years during restoration of the lost roots.

    :) Source:
    Root Injury and Tree Health : By Gary W. Watson

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