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    Author(s): David Gwaze; Ross Melick; Lynn McClure; Charly Studyvin; David Massengele
    Date: 2007
    Source: In: Kabrick, John M.; Dey, Daniel C.; Gwaze, David, eds. Shortleaf pine restoration and ecology in the Ozarks: proceedings of a symposium; 2006 November 7-9; Springfield, MO. Gen. Tech. Rep. NRS-P-15. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 129-133.
    Publication Series: General Technical Report - Proceedings
    Station: Northern Research Station
    PDF: View PDF  (109.76 KB)

    Description

    The objective of this study was to evaluate the effect of subsoiling (ripping) and prescribed burning on height, survival, diameter, volume, and competition of planted shortleaf pine (Pinus echinata Mill.). The study was established at the Salem Ranger District, Mark Twain National Forest. The treatments were subsoil/burn, burn, and control with no site preparation. Height was assessed at 5 and 20 years; survival, diameter, volume, and competition were assessed at 20 years. Survival rate was only 469 trees/ha in the control treatment, while the survival rate was 1680 trees/ha in the burn treatment and 1600 stems/ha in the subsoil/burn treatment. Subsoil/burn treatment improved height growth by 55.8 percent at 5 years, and 32.3 percent at 20 years over the control treatment. Although, subsoil/burn treatment improved volume by 46.5 percent over the control, and burn treatment improved volume by 30.6 percent at age 20 over the control, these improvements were not statistically significant. Twenty years after planting, these results suggest that site preparation is critical for regenerating shortleaf pine and that subsoiling after burning does not provide additional growth responses or increased survival to that attributed to burning.

    Publication Notes

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    Citation

    Gwaze, David; Melick, Ross; McClure, Lynn; Studyvin, Charly; Massengele, David. 2007. Effects of site preparation subsoiling and prescribed burning on survival and growth of shortleaf pine in the Mark Twain National Forest: results after 20 growing seasons. In: Kabrick, John M.; Dey, Daniel C.; Gwaze, David, eds. Shortleaf pine restoration and ecology in the Ozarks: proceedings of a symposium; 2006 November 7-9; Springfield, MO. Gen. Tech. Rep. NRS-P-15. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 129-133.

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