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Evaluation of selected plant species under drained saline and waterlogged conditions in pots when irrigated with treated wastewater

Affiliation
National Research Institute for Rural Engineering, Water and Forestry (INRGREF), University of Carthage, Ariana, Tunisia
Zouari, Marwa;
GND
120677695
Affiliation
Julius Kühn-Institute (JKI), Institute for Crop and Soil Science, Germany
Bloem, Elke;
Affiliation
National Research Institute for Rural Engineering, Water and Forestry (INRGREF), University of Carthage, Ariana, Tunisia
Souguir, Dalila;
GND
1024299236
Affiliation
Julius Kühn-Institute (JKI), Institute for Crop and Soil Science, Germany
Schnug, Ewald;
Affiliation
Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
Hanchi, Belgacem;
Affiliation
National Research Institute for Rural Engineering, Water and Forestry (INRGREF), University of Carthage, Ariana, Tunisia
Hachicha, Mohamed

A pot experiment was carried out to study the effect of the use of treated wastewater (TWW) on selected plant species. In total three treatments were compared including high soil salinity under drained and waterlogging conditions in comparison to a drained non-saline treatment. The effect of TWW on growth performance of the plant species was investigated to find out which of the plant species is most promising to be grown under the saline or waterlogged conditions when irrigated with TWW. The TWW application reduced the soil salinity even under the waterlogged conditions but more efficiently in drained soils. From the six plant species Atriplex nummularia, Acacia cyanophyllia and Eucalyptus gomphocephala performed better, with lower mortality and higher biomass production than Casuarina glauca, Cupressus sempervirens and Pinus halepensis. Salinity under the drained conditions in combination with TWW application even caused higher yields in case of Atriplex nummularia and Acacia cyanophyllia compared to a non-saline soil.

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