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פותח על ידי קלירמאש פתרונות בע"מ -
T-26. Exploring Root Uptake Under High Frequency Irrigation Using Electrical Resistivity Tomography
Year:
2013
Source of publication :
Authors :
אסולין, שמואל
;
.
Volume :
Co-Authors:

Garré, Sarah  [Université de Liège - ULiège  Sciences et technologie de l'environnement  Systèmes Sol-Eau

Furman, Alex  - Technion IIT,civil & Env, Engineering, Haifa, Israel

Günther, Thomas - Libniz institute for Applied Geophysics, Hannover,Germany

Facilitators :
From page:
0
To page:
0
(
Total pages:
1
)
Abstract:

Root uptake and its relation to environmental factors, and primarily soil water content, are perhaps the least understood component in terrestrial water balance and is of high importance for water resources management, ecology and agriculture. In this research we explore the spatial and temporal distribution of soil water in high resolution using electrical resistivity tomography (ERT). 
Bell peppers were planted in a chamber and irrigated in two different schemes, differing only in irrigation frequency (daily and eight-daily irrigation, where the daily dose is equal for both treatments). This irrigation difference results in very different spatio-temporal distribution of the soil water in the root zone, which in turn derives spatio-temporal differences in root uptake. Experiment was conducted under a screen-house in Mediterranean summer conditions, i.e. very high evapotranspiration. 
Resistivity surveys, using 96 electrodes placed around the growth chamber and at soil surface (Figure 1) were taken over 10 times daily. 
Plants subjected to high frequency irrigation generally were faster in growth and matured about a week earlier. This is primarily attributed to the higher water content that exists in the root zone, and primarily during the climatically stressing noon hours. Inverted images (e.g. Figure 2) provide an interesting insight into the spatio-temporal distribution of the root uptake. This in turn can now be correlated to the spatial location of the roots, and to the soil induced water content dynamics.

Note:

AGU Chapman conference BIOSPHERE II

Related Files :
Bell pepper
Electrical Resistivity Tomography (ERT)
ERT
irrigation
Root uptake
עוד תגיות
תוכן קשור
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DOI :
Article number:
0
Affiliations:
Database:
גוגל סקולר
Publication Type:
פוסטר
;
.
Language:
אנגלית
Editors' remarks:
ID:
37602
Last updated date:
02/03/2022 17:27
Creation date:
17/10/2018 10:14
Scientific Publication
T-26. Exploring Root Uptake Under High Frequency Irrigation Using Electrical Resistivity Tomography

Garré, Sarah  [Université de Liège - ULiège  Sciences et technologie de l'environnement  Systèmes Sol-Eau

Furman, Alex  - Technion IIT,civil & Env, Engineering, Haifa, Israel

Günther, Thomas - Libniz institute for Applied Geophysics, Hannover,Germany

T-26. Exploring Root Uptake Under High Frequency Irrigation Using Electrical Resistivity Tomography .

Root uptake and its relation to environmental factors, and primarily soil water content, are perhaps the least understood component in terrestrial water balance and is of high importance for water resources management, ecology and agriculture. In this research we explore the spatial and temporal distribution of soil water in high resolution using electrical resistivity tomography (ERT). 
Bell peppers were planted in a chamber and irrigated in two different schemes, differing only in irrigation frequency (daily and eight-daily irrigation, where the daily dose is equal for both treatments). This irrigation difference results in very different spatio-temporal distribution of the soil water in the root zone, which in turn derives spatio-temporal differences in root uptake. Experiment was conducted under a screen-house in Mediterranean summer conditions, i.e. very high evapotranspiration. 
Resistivity surveys, using 96 electrodes placed around the growth chamber and at soil surface (Figure 1) were taken over 10 times daily. 
Plants subjected to high frequency irrigation generally were faster in growth and matured about a week earlier. This is primarily attributed to the higher water content that exists in the root zone, and primarily during the climatically stressing noon hours. Inverted images (e.g. Figure 2) provide an interesting insight into the spatio-temporal distribution of the root uptake. This in turn can now be correlated to the spatial location of the roots, and to the soil induced water content dynamics.

AGU Chapman conference BIOSPHERE II

Scientific Publication
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