Is plantation forestry good or bad for soils?

Authors: C. T. Smith
Publication: New Zealand Journal of Forestry, Volume N.Z.J.For. 1994, Issue N.Z.J.For. 39(2) 1994, pp 19-22, Aug 1994
Publisher: New Zealand Institute of Forestry

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Abstract: Plantation forestry can be either good or bad for soils and site productivity. Plantation forestry is likely to improve soils where it results in increased nutrient availability; and to reduce soil quality where it leads to soil nutrient imbalances or depletion. Forests generally improve soil physical properties; however, machinery used for site preparation, establishment, and harvesting has the potential to reduce site productivity due to soil compaction and erosion. A classification system proposed for New Zealand soils and the potential for site degradation under plantation forestry provides a preliminary, conservative basis for preventing site productivity declines. The validity of this classification system is being tested at several locations throughout New Zealand.

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