Radial and axial hydraulic conductivities are key parameters for understanding and modelling root water uptake. Despite their importance, there is limited experimental information relating to how the radial and axial hydraulic conductivities vary along roots growing in soil.
Zarebanadkouki et al. adopt a new approach to estimating the profiles of hydraulic conductivities using a three-dimensional model of root water uptake and a neutron radiography technique applied to the roots of transpiring lupine plants grown in soil.
This paper is part of the Root Biology Special Issue.