Notes: Soil Nutrient Flux: A Component of Nutrient Cycling in Temperate Forest Ecosystems
Abstract:Extractable nutrient levels in a floodplain forest soil varied significantly over the course of a year. Temporal variation in nutrient pools expressed as the ratio range/mean was in the following order: NH4-N > NO3-N » extractable P > exchangeable K > exchangeable Mg > exchangeable Ca. Lowest concentrations occurred during the summer months for all nutrients except NO3-N. The magnitude of this variation exceeded the size of several other nutrient fluxes within the ecosystem, which indicated that the soil system was a dynamic component of the floodplain forest ecosystem. Considerable evidence from diverse soil and vegetation types suggests that temporal variation in soil nutrient levels is a feature common to most temperate forest ecosystems. Forest Sci. 32:318-324.
Document Type: Miscellaneous
Affiliations: Research Associate, Department of Plant and Soil Science, University of Tennessee, Box 1071, Knoxville, TN 37901
Publication date: 1986-06-01
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