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    Do texture and organic matter content affect C & N dynamics in soils exposed to dry/wet cycles?

    Harrison-Kirk, Tina; Beare, M. H.; Condron, Leo M.
    Abstract
    Previous studies have reported both enhanced and reduced C and N cycling when soils of different compositions are exposed to repeated wet/dry cycles. The factors that determine the different responses are poorly understood. The objectives of this study were to determine how soil texture and organic matter content affect short-term C and N dynamics and the production of CO₂ and N₂O over a series drying and rewetting cycles, and then to use CO₂ and N₂O produced at constant moisture contents to calculate production during dry/wet cycles and compare this to actual production.
    Keywords
    N dynamics; C dynamics; dry/wet cycles; organic matter content; soil texture
    Fields of Research
    0502 Environmental Science and Management
    Date
    2010
    Type
    Conference Contribution - Published (Conference Paper)
    Collections
    • Department of Soil and Physical Sciences [417]
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