[567] - The impact of soil water distribution on root growth and root water uptake

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Cai, G., 2013. The impact of soil water distribution on root growth and root water uptake. PhD Report, Institute of Bio and Geosciences Agrosphere (IBG-3), Research Center Jülich, Jülich, Germany. Accessed from http://www.tr32db.uni-koeln.de/data.php?dataID=567 at 2019-04-25.
Title(s):Main Title: The impact of soil water distribution on root growth and root water uptake
Description(s):Abstract: Root systems are crucial components in botany that link soil and atmosphere, support the aboveground portion of a plant and supply water and nutrients by exploring large soil volumes. However, the relations between vertical distributions of water, roots, and canopy status are not well known. In the present study, non-destructive methods, namely minirhizotrons, are used to investigate the effect of soil moisture on root development and the relation between root growth and root water uptake (RWU), as well as the relation between soil moisture and canopy status. Our study site, located in Selhausen (Mid-West Germany), is composed of two independent cropped soil blocks that are characterized by a strong gradient in soil texture. A transect along each block is equipped with soil moisture sensors, tensiometers/MPS-2 and minirhizotrons at six different depths. In this report, the setup of the facility and the methods used in the field were described, and some preliminary results were also presented. For the next growing season, each of the blocks in the field will be divided into three plots (One plot will be sheltered from rain as dry condition, one plot will be irrigated, and one plot will experience normal weather conditions.) to examine the influence of different weather conditions on root growth and root water uptake, in which data will be collected from winter wheat, barley and maize. The obtained experimental data will be also parameterized by a root growth model and root water uptake model.
Responsible Party
Creator(s):Author: Gaochao Cai
Publisher:CRC/TR32 Database (TR32DB)
TR32 Topic:Vegetation
Subject(s):CRC/TR32 Keywords: PhD Report
File Details
File Name:Report1_Cai_2013.pdf
Data Type:Text
File Size:569 kB (0.556 MB)
Date(s):Available: 2013-03-31
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
Measurement Region:Ellebach
Measurement Location:Selhausen
Specific Informations - Report
Report Date:31st of March, 2013
Report Type:PhD Report
Report City:Jülich, Germany
Report Institution:Institute of Bio and Geosciences Agrosphere (IBG-3), Research Center Jülich
Number Of Pages:15
Period of Pages:1 - 15
Further Informations:TR32 Student Report Phase II
Metadata Details
Metadata Creator:Gaochao Cai
Metadata Created:2013-11-28
Metadata Last Updated:2013-11-28
Funding Phase:2
Metadata Language:English
Metadata Version:V40
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