Measuring and modeling three-dimensional water uptake of a growing faba bean (Vicia faba) within a soil column

Huber, Katrin;Koebernick, Nicolai;Kerkhofs, Elien;Vanderborght, Jan;Vereecken, Harry;et.al.
(2014) EGU General Assembly — Location: Vienna, Austria (28.April.2014)

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Authors
  • Huber, KatrinHelmhotz Centre for Environm. Research, Germany
    Author
  • Koebernick, NicolaiHelmhotz Centre for Environm. Research, Germany
    Author
  • Kerkhofs, ElienDepart. of Earth and Environm. Sciences, KULeuven, Belgium
    Author
  • Vanderborght, JanAgrosphere, Forschungszentrum Jülich, Germany
    Author
  • Javaux, Mathieuorcid-logoUCLouvain
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  • Vereecken, HarryAgrosphere, Forschungszentrum Jülich, Germany
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Abstract
A faba bean was grown in a column filled with a sandy soil, which was initially close to saturation and then subjected to a single drying cycle of 30 days. The column was divided in four hydraulically separated compartments using horizontal paraffin layers. Paraffin is impermeable to water but penetrable by roots. Thus by growing deeper, the roots can reach compartments that still contain water. The root architecture was measured every second day by X-ray CT. Transpiration rate, soil matric potential in four different depths, and leaf area were measured continously during the experiment.
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Huber, K., Koebernick, N., Kerkhofs, E., Vanderborght, J., Javaux, M., Vetterlein, D., & Vereecken, H. (2014). Measuring and modeling three-dimensional water uptake of a growing faba bean (Vicia faba) within a soil column. Geophysical Research Abstracts, vol.16, p. EGU2014-11293. https://hdl.handle.net/2078.5/231490