Selected treatments for improving the growth of loblolly pine
Nitrogen additions of both 50 and 100 pounds per acre increased the growth of loblolly pine (Pinus taeda L.) on surface mine spoil in East Tennessee; response duration appeared to increase when P was added. Liming appeared to decrease the response to N where trees were heavily mycorrhizal with Pisolithus tinctorious; while for non-mycorrhizal trees, the greatest growth was in plots receiving N with 2 tons of lime per acre. Applying a wetting agent and/or a NP fertilizer at planting time decreased survival but appeared to increase growth. Seedlings inoculated with mycorrhizal fungi survived better and grew more than those not inoculated. Grass competition reduced survival, however, rapid establishment of a complete grass cover has proved to be the most practical method for minimizing serious erosion in the first 6 months after grading. 7 references.
- OSTI ID:
- 5923779
- Journal Information:
- Tenn. Farm Home Sci.; (United States), Journal Name: Tenn. Farm Home Sci.; (United States) Vol. 110; ISSN TFHSA
- Country of Publication:
- United States
- Language:
- English
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54 ENVIRONMENTAL SCIENCES
CONIFERS
ELEMENTS
EROSION
FEDERAL REGION IV
FERTILIZERS
FUNGI
GRASS
GROUND COVER
GROWTH
LAND RECLAMATION
LIMING
MINING
MYCORRHIZAS
NITROGEN
NONMETALS
NORTH AMERICA
PINES
PLANT GROWTH
PLANTS
REVEGETATION
SEEDLINGS
SPOIL BANKS
SURFACE MINING
SYMBIOSIS
TENNESSEE
TREES
USA