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@ARTICLE{Landl:825821,
      author       = {Landl, Magdalena and Huber, Katrin and Schnepf, Andrea and
                      Vanderborght, Jan and Javaux, Mathieu and Glyn Bengough, A.
                      and Vereecken, Harry},
      title        = {{A} new model for root growth in soil with macropores},
      journal      = {Plant and soil},
      volume       = {415},
      number       = {1-2},
      issn         = {1573-5036},
      address      = {Dordrecht [u.a.]},
      publisher    = {Springer Science + Business Media B.V},
      reportid     = {FZJ-2017-00123},
      pages        = {99–116},
      year         = {2016},
      abstract     = {Background and aimsThe use of standard dynamic root
                      architecture models to simulate root growth in soil
                      containing macropores failed to reproduce experimentally
                      observed root growth patterns. We thus developed a new, more
                      mechanistic model approach for the simulation of root growth
                      in structured soil.MethodsIn our alternative modelling
                      approach, we distinguish between, firstly, the driving force
                      for root growth, which is determined by the orientation of
                      the previous root segment and the influence of gravitropism
                      and, secondly, soil mechanical resistance to root growth.
                      The latter is expressed by its inverse, soil mechanical
                      conductance, and treated similarly to hydraulic conductivity
                      in Darcy’s law. At the presence of macropores, soil
                      mechanical conductance is anisotropic, which leads to a
                      difference between the direction of the driving force and
                      the direction of the root tip movement.ResultsThe model was
                      tested using data from the literature, at pot scale, at
                      macropore scale, and in a series of simulations where
                      sensitivity to gravity and macropore orientation was
                      evaluated.ConclusionsQualitative and quantitative
                      comparisons between simulated and experimentally observed
                      root systems showed good agreement, suggesting that the
                      drawn analogy between soil water flow and root growth is a
                      useful one.},
      cin          = {IBG-3},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000403495500008},
      doi          = {10.1007/s11104-016-3144-2},
      url          = {https://juser.fz-juelich.de/record/825821},
}