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Can plants be used to remove Na and Cl from nutrient solution in greenhouse production?

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dc.contributor.advisor Zheng, Youbin
dc.contributor.advisor Gordon, Robert Rozema, Eric 2014-09-02T13:07:11Z 2014-09-02T13:07:11Z 2014-08 2014-08-27 2014-09-02
dc.description.abstract The potential of using halophytic wetland plants for the removal Na+ and Cl- from recirculated greenhouse nutrient solution was assessed. Eight species were screened for their Na+ and Cl- removal capacity and it was determined that Schoenoplectus tabernaemontani and Typha latifolia were the best candidates. A second experiment examined the effect of harvesting and harvesting frequency on plants and their capacity to uptake Na+ and Cl-. Juncus torreyi and T. latifolia responded positively to harvesting and their Na+ and Cl- uptake and biomass production were increased when harvested once or twice throughout the growing season, but harvesting had no effect on S. tabernaemontani. The effect of solution NaCl concentration was investigated and both S. tabernaemontani and T. latifolia, accumulated more Na+ and Cl- at higher concentrations. Overall, the plants removed Na+ and Cl-, but the rates were too low to make it an effective Na+ and Cl- management option for the treatment of recirculated greenhouse nutrient solution. en_US
dc.description.sponsorship Fed Dev Applied Research and Commercialization Initiative Extension program en_US
dc.language.iso en en_US
dc.subject constructed wetlands en_US
dc.subject halophytes en_US
dc.subject horticulture en_US
dc.subject phytodesalinization en_US
dc.subject water treatment en_US
dc.title Can plants be used to remove Na and Cl from nutrient solution in greenhouse production? en_US
dc.type Thesis en_US Environmental Sciences en_US Master of Science en_US School of Environmental Sciences en_US
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