Displacement of nutrients into windrows during site preparation of a flatwood forest

  • Morris L
  • Pritchett W
  • Swindel B
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Abstract

Nutrient displacement into windrows during site preparation, which followed the harvest of a natural stand of slash (Pinus elliottii Engelm.) - longleaf (Pinus palustris Mill.) pine, was examined on a 36-ha flatwoods site in northcentral Florida. Almost 150 m of windrow were formed per hectare of site-prepared area. The average width of the windrows was 4.2 m. The windrows averaged 2.5 m2 in cross-sectional area and occupied approximately 6% of the harvested area. Total weight of the soil, fine wood, and coarse wood components were 154, 12, and 14 t/ha, respectively. Total N, P, and K contents were 373, 18, and 27 kg/ha of harvested area. These quantities of nutrients were equivalent to the quantities which would be removed in six bolewood harvests, and represented >10% of the site's nutrient reserves.

Author-supplied keywords

  • KG-blading
  • forest soils
  • longleaf pine
  • nutrient removal
  • plantation management
  • site preparation
  • slash pine

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Authors

  • Lawrence A. Morris

  • William L. Pritchett

  • Benee F. Swindel

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