Development of understory vegetation in pine and pine-hardwood shelterwood stands in the Ouachita mountains: The first 3 years. Forest Service research paper
Technical Report
·
OSTI ID:557538
The shelterwood reproduction cutting method using two overstory compositions (a pine basal area of 30 square feet per acre with and without 15 square feet per acre of hardwoods) and two methods of submerchantable hardwood control (chain-saw felling with and without stump-applied herbicide) was tested in a 2x2 factorial, split-plot design with four randomized complete blocks. Total coverage of understory vegetation after 3 years was greater in the pine overstory treatment (68 percent) than in the pine-hardwood overstory treatment (46 percent) and was slightly greater for manual than chemical hardwood control (60 versus 55 percent). Results indicate that 15 square feet per acre of scattered hardwoods can be retained through at least 3 years after harvest, but additional monitoring will be needed to determine the long-term success of reproduction. Early results suggest that the herbicide treatment was not justified in the stand and site conditions tested in this study; contributing factors were the abundant pine seed production and low levels of competing vegetation.
- Research Organization:
- Forest Service, Asheville, NC (United States). Southern Research Station
- OSTI ID:
- 557538
- Report Number(s):
- PB--98-105281/XAB; FSRP-SRS--8
- Country of Publication:
- United States
- Language:
- English
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