Salt Removing Species - Phytoremediation Technique for Uzbekistan - Hamidov, Ahmad
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Conventional techniques, namely soil leaching and the use of enhancing fertilization are methods used to mitigate soil salinity and to increase the salt tolerance of agricultural crops grown in salt-affected soils. However, the intense use of these techniques has also attracted public attention due to the environmental pollution caused and the contamination of groundwater resources. Recently, a new environmentally safe and clean remediation technique, whereby salt (ion) removing species are planted in the salt-affected soils, has been introduced to address salinity problems. The salt removal…mehr

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Produktbeschreibung
Conventional techniques, namely soil leaching and the use of enhancing fertilization are methods used to mitigate soil salinity and to increase the salt tolerance of agricultural crops grown in salt-affected soils. However, the intense use of these techniques has also attracted public attention due to the environmental pollution caused and the contamination of groundwater resources. Recently, a new environmentally safe and clean remediation technique, whereby salt (ion) removing species are planted in the salt-affected soils, has been introduced to address salinity problems. The salt removal potential of Portulaca oleracea golden purslane has been evaluated under this study. The results have revealed that no irrigation was required, when the water table remained at a depth of about 1.1 m, to remove the highest soil salts and to obtain the highest biomass production in Portulaca oleracea golden purslane; the capillary rise from the groundwater has played a significant role in meeting the demand of plants for water, increasing plant transpiration. The highest salt accumulation was 497 kg ha-1, which eventually, removed about 16.8% of the total soil salts, at a depth of 10 cm.
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Autorenporträt
Ahmad M. Hamidov, MSc: Studied Water and Coastal Management at the University of Algarve, Portugal. Currently, PhD researcher at Humboldt University of Berlin, Germany.