[1092] - In Situ Visualization and Quantification of Three- Dimensional Root System Architecture and Growth Using X-Ray Computed Tomography

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Koebernick, N., Weller, U., Huber, K., Schlüter, S., Vogel, H., Jahn, R., Vereecken, H., Vetterlein, D., 2014. In Situ Visualization and Quantification of Three- Dimensional Root System Architecture and Growth Using X-Ray Computed Tomography. Vadose Zone Journal, 13 (8), 1 - 10. DOI: 10.2136/vzj2014.03.0024.
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Title(s):Main Title: In Situ Visualization and Quantification of Three- Dimensional Root System Architecture and Growth Using X-Ray Computed Tomography
Description(s):Abstract: Root system architecture and associated root–soil interactions exhibit large changes over time. Nondestructive methods for the quantification of root systems and their temporal development are needed to improve our understanding of root activity in natural soils. X-ray computed tomography (X-ray CT) was used to visualize and quantify growth of a single Vicia faba L. root system during a drying period. The plant was grown under controlled conditions in a sandy soil mixture and imaged every second day. Minkowski functionals and Euclidean distance transform were used to quantify root architectural traits. We were able to image the root system with water content decreasing from 29.6 to 6.75%. Root length was slightly underestimated compared with destructive measurements. Based on repeated measurements over time it was possible to quantify the dynamics of root growth and the demography of roots along soil depth. Measurement of Euclidean distances from any point within the soil to the nearest root surface yielded a frequency distribution of travel distances for water and nutrients towards roots. Our results demonstrate that a meaningful quantitative characterization of root systems and their temporal dynamics is possible.
Identifier(s):DOI: 10.2136/vzj2014.03.0024
Responsible Party
Creator(s):Author: Nicolai Koebernick
Author: Ulrich Weller
Author: Katrin Huber
Author: Steffen Schlüter
Author: Hans-Jörg Vogel
Author: Reinhold Jahn
Author: Harry Vereecken
Author: Doris Vetterlein
Publisher:Soil Science Society of America
TR32 Topic:Vegetation
Subject(s):CRC/TR32 Keywords: Root System, Computed Tomography
File Details
File Name:Köbernic_vzj_2014.pdf
Data Type:Text
Size(s):10 Pages
File Size:1600 kB (1.562 MB)
Date(s):Available: 2014-08-08
Mime Type:application/pdf
Data Format:PDF
Download Permission:OnlyTR32
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Licence:TR32DB Data policy agreement
North:-no map data
Measurement Region:None
Measurement Location:--None--
Specific Informations - Publication
Article Type:Journal
Source:Vadose Zone Journal
Number Of Pages:10
Page Range:1 - 10
Metadata Details
Metadata Creator:Tanja Kramm
Metadata Created:2014-09-22
Metadata Last Updated:2014-09-22
Funding Phase:2
Metadata Language:English
Metadata Version:V40
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