Impact of treated wastewater on growth, respiration and hydraulic conductivity of citrus root systems in light and heavy soils

Roots interact with soil properties and irrigation water quality leading to changes in root growth, structure and function. We studied these interactions in an orchard and in lysimeters with clay and sandy loam soils. Minirhizotron imaging and manual sampling showed that root growth was three times...

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Bibliographic Details
Published in:Tree physiology 2016-06, Vol.36 (6), p.770-785
Main Authors: Paudel, Indira, Cohen, Shabtai, Shaviv, Avi, Bar-Tal, Asher, Bernstein, Nirit, Heuer, Bruria, Ephrath, Jhonathan
Format: Article
Language:English
Subjects:
Citrus - metabolism
Osmotic Pressure - physiology
Soil
Waste Water
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Summary:Roots interact with soil properties and irrigation water quality leading to changes in root growth, structure and function. We studied these interactions in an orchard and in lysimeters with clay and sandy loam soils. Minirhizotron imaging and manual sampling showed that root growth was three times lower in the clay relative to sandy loam soil. Treated wastewater (TWW) led to a large reduction in root growth with clay (45-55%) but not with sandy loam soil (
ISSN:0829-318X
1758-4469
DOI:10.1093/treephys/tpw013