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Effects of Thinning on Needle Water Potential in Red Pine

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Abstract:

Soil moisture (SM) and needle water potential (n) were measured the season following thinning on comparable trees in thinned and unthinned plots. SM availability was described by plotting n at dawn against SM content. SM was always higher in the thinned plot but n was significantly higher in the thinned plot on only 4 of 10 measurement days. On these 4 days, SM was more available to the thinned trees. We calculated that significant differences in n occurred on 20 percent of the days during the 1969 growing season. Forest Sci. 20:25-29.

Keywords: Pinus resinosa; Soil moisture

Document Type: Journal Article

Affiliations: Research Assistant, College of Forestry, University of Minnesota, St. Paul

Publication date: 1974-03-01

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

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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