A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
An Ex Situ Salinity Restoration Assessment Using Legume, Saltbush, and Grass in Australian Soil
Shoot and root water content, shoot/root biomass ratio, and plant height were measured in Melilotus siculus (Fabaceae), Tecticornia pergranulata (Amaranthaceae: Chenopodiodeae), and Thinopyrum ponticum (Poaceae) to determine their growth performance in a glasshouse – pot trial using salinity levels of 0.0, 2.5, and 5.0 dS m−1. The following indices, total‐ion accumulation (TIA), bioaccumulation factor (BF), translocation factor (TF), and bioconcentration factor (BCF) of Na+ and Cl− were also measured enabling the evaluation of the remediation capacity of these plants. With increasing salinity in soil, total Na+ and Cl− accumulation increased in the tested plants in the following order: T. pergranulata > M. siculus > T. ponticum. T. pergranulata had the maximal phytoextraction capacity of Na+ and Cl−. The BF and BCF values of Na+ and Cl− were >1 in the plants tested in different salinity treatments. The TF value of Cl− was >1 for these tested plants, whereas the TF value of Na+ was >1 in T. pergranulata and M. siculus and it <1 in T. ponticum. T. pergranulata and M. siculus performed the best, accumulating more of Na+ and Cl−, and therefore they appear to be the candidates‐of‐choice for phytoremediation of saline sites in central western New South Wales, Australia.
An Ex Situ Salinity Restoration Assessment Using Legume, Saltbush, and Grass in Australian Soil
Shoot and root water content, shoot/root biomass ratio, and plant height were measured in Melilotus siculus (Fabaceae), Tecticornia pergranulata (Amaranthaceae: Chenopodiodeae), and Thinopyrum ponticum (Poaceae) to determine their growth performance in a glasshouse – pot trial using salinity levels of 0.0, 2.5, and 5.0 dS m−1. The following indices, total‐ion accumulation (TIA), bioaccumulation factor (BF), translocation factor (TF), and bioconcentration factor (BCF) of Na+ and Cl− were also measured enabling the evaluation of the remediation capacity of these plants. With increasing salinity in soil, total Na+ and Cl− accumulation increased in the tested plants in the following order: T. pergranulata > M. siculus > T. ponticum. T. pergranulata had the maximal phytoextraction capacity of Na+ and Cl−. The BF and BCF values of Na+ and Cl− were >1 in the plants tested in different salinity treatments. The TF value of Cl− was >1 for these tested plants, whereas the TF value of Na+ was >1 in T. pergranulata and M. siculus and it <1 in T. ponticum. T. pergranulata and M. siculus performed the best, accumulating more of Na+ and Cl−, and therefore they appear to be the candidates‐of‐choice for phytoremediation of saline sites in central western New South Wales, Australia.
An Ex Situ Salinity Restoration Assessment Using Legume, Saltbush, and Grass in Australian Soil
Bhuiyan, Mohammad S. I. (author) / Raman, Anantanarayanan (author) / Hodgkins, Dennis (author) / Mitchell, David (author) / Nicol, Helen (author)
CLEAN – Soil, Air, Water ; 44 ; 840-848
2016-07-01
10 pages
Article (Journal)
Electronic Resource
English
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