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Notes: Genotype and Moisture Supply Influence Nutrient Content of Eastern Cottonwood Foliage

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Nitrogen, phosphorus, and potassium contents of the foliage of young eastern cottonwood (Populus deltoides Bartr.) varied significantly by clone. The soil moisture stress under which the leaves developed significantly influenced foliar nitrogen and phosphorus concentrations. Fast-growing clones tended to contain lower proportions of leaf nitrogen than slow-growing clones. Apparently, genotype and moisture supply are important considerations where foliar concentrations are used as indicators of nutrient needs.

Keywords: Populus deltoides; foliar analysis

Document Type: News

Affiliations: Plant Physiologist, Tree Improvement Section, Division of Forestry Development, Tennessee Valley Authority, Norris, Tenn.

Publication date: March 1, 1969

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  • 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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