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Upland Oak Response to Fertilization With Nitrogen, Phosphorus, And Calcium

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N, Ca, and P fertilizers were applied to a 50-year-old upland oak stand located on a Dekalb sandy loam soil in the Allegheny Plateau region of central Pennsylvania. Additions of 60 and 180 lb N per acre significantly increased the diameter increment of white oak (Quercus alba L.) and scarlet oak (Quercus coccinea Muenchh.). Addition of 1000 lb Ca per acre as Ca(OH)2 also increased diameter growth in both species. Added phosphorus had no measurable influence. The combination of nitrogen and calcium additions increased stand volume increment more than 40 percent. This increase in growth was associated with increased nitrogen content of foliage and of litter following leaf fall. The height growth of understory red maple (Acer rubrum L.) seedlings was stimulated by both N and Ca, but not by P. Nitrogen and Ca in foliage of witch hazel (Hamamelis virginiana L.) and teaberry (Gaultheria procumbens L.) were significantly increased by N and Ca additions. The increased quantity and quality of the browse plants indicated a substantial improvement in the carrying capacity for white-tailed deer (Odocoileus virginianus). Forest Sci. 16:113-120.

Keywords: Acer rubrum; Deer browse; nutrition

Document Type: Journal Article

Affiliations: Research Assistant, School of Forest Resources, Pennsylvania State University

Publication date: March 1, 1970

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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