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Article: Impacts of harvesting and postharvest treatments on soil bulk density, soil strength, and early growth of Pinus taeda in the Gulf Coastal Plain: a Long-Term Soil Productivity affiliated study.(1)
- Article from:
- Canadian Journal of Forest Research
- Article date:
- March 1, 2006
- Author:
CopyrightCOPYRIGHT 2006 NRC Research Press. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Abstract: At four sites in the Gulf Coastal Plain, mechanical whole-tree harvesting (MWT) removed more biomass and nutrients than hand-fell bole-only harvesting (HFBO). Soil compaction and loblolly pine (Pinus taeda L.) regeneration growth varied among sites. At one location, MWT increased soil bulk density by 0.1 Mg x [m.sup.-3], from 1.14 to 1.24 Mg x [m.sup.-3], with no effect on tree growth. At a second location, where bulk density increased by 0.1 Mg x [m.sup.-3], from 1.41 to 1.51 Mg x [m.sup.-3], pine growth was reduced significantly. Soil strength at 15-20 cm depth increased by 0.3-0.5 MPa at both locations. However, where MWT reduced pine growth, herbaceous weed ...