Articles | Volume 14, issue 4
Biogeosciences, 14, 921–939, 2017
https://doi.org/10.5194/bg-14-921-2017
Biogeosciences, 14, 921–939, 2017
https://doi.org/10.5194/bg-14-921-2017

Research article 28 Feb 2017

Research article | 28 Feb 2017

Multi-frequency electrical impedance tomography as a non-invasive tool to characterize and monitor crop root systems

Maximilian Weigand and Andreas Kemna

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (Editor review) (25 Nov 2016) by Paul Stoy
AR by Maximilian Weigand on behalf of the Authors (27 Jan 2017)  Author's response    Manuscript
ED: Publish as is (28 Jan 2017) by Paul Stoy
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Short summary
Root systems are essential in nutrient uptake and translocation, but are difficult to characterize non-invasively with existing methods. We propose electrical impedance tomography (EIT) as a new tool for the imaging and monitoring of crop root systems. In a laboratory experiment we demonstrate the capability of the method to capture physiological responses of root systems with high spatial and temporal resolution. We conclude that EIT is a promising functional imaging technique for crop roots.
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