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Notes: Spatial and Temporal Variability of Foliar Nutrient Levels in Fraser Fir Christmas Trees

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The variation of Fraser fir (Abies fraseri [Pursh] Poir.) foliar nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), and magnesium (Mg) levels within plantations, the tree crown, and season of the year was studied. Extensive variation in nutrient concentrations existed. The data show that use of foliar nutrient levels for diagnosing nutrient sufficiency without regard to this variation could cause erroneous fertilization prescriptions. Recommended foliar sampling technique consists of sampling current-year's tissue from 2- or 3-yr-old south-facing branches in October. For. Sci 35(2): 632-639.

Keywords: Tissue analysis; sampling intensity; seasonal variation; tree-to-tree variation; within-tree variation

Document Type: Miscellaneous

Affiliations: Professor of Silviculture and Forest Soils, Virginia Polytechnic Institute and State University, Blacksburg, VA

Publication date: June 1, 1989

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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