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Water and Mineral Nutrient Transfer Between Root Systems of Juvenile Populus

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Abstract:

Transfer of N, K, and ³H2O between intertwined Populus root systems was investigated using a 5-pot series of plants, linked together by split root systems. A nutrient deficiency or moisture deficit was created in all pots of each series after which the deficient nutrient (or ³H2O) was added to the first pot. Posttreatment analysis showed that although some transfer to other plants occurred it was minor compared to total plant requirements. Also, when only one-half of a plant's root system was watered or fertilized, there was less uptake in that plant compared to the plant with its entire root system watered or fertilized. These results indicate the importance of applying adequate and well-distributed nutrients and water to each individual plant and imply that interplant transfer, at least without root grafting, may not be a significant factor in determining buffer strip width in research plots of young Populus. Forest Sci. 25:247-252.

Keywords: Nitrogen; buffer strip width; interplant transfer; potassium; root grafting; split roots; tritiated water

Document Type: Journal Article

Affiliations: Principal Plant Physiologist, North Central Forest Experiment Station, Forestry Sciences Laboratory, P.O. Box 898, Rhinelander, WI 54501

Publication date: 1979-06-01

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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