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The rapid development of whiteleg shrimp farming in the Mekong delta of Vietnam has an adverse impact on the environment due to large amount of nitrogen and phosphorus content in wastewater and pond sludge/sediment. Phytoremediation is a promising technique to use plant for mitigating environmental impacts from intensively whiteleg shrimp culture. Growth responses, nitrogen and phosphorus removal of  Typha orientalis  and  Scirpus littoralis  were assessed at three water levels of +15 cm, +30 cm and +45 cm. They were arranged in a completely randomized design with three replications. The plants were supplied wastewater from intensive whiteleg shrimp tanks once every two weeks. Waterlogged assessment was conducted for 71 days. Water levels significantly affected plant growth rate and nutrient removal capacity.  S. littoralis  grew well with a lower mortality rate and had no statistical reduction of biomass compared to  T. orientalis  at the highest water level of +45 cm.  T. orientalis  had the best perfromance in growth and biomass responses to waterlogged at water levels of +15 cm and +30 cm. The results indicated that  S. littoralis  was the best of choice to grow in waterlogged condition of the shrimp pond for maintaining water quality.

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Phytoremediation Potential of <i>Typha orientalis</i> and <i>Scirpus littoralis</i> in Removal of Nitrogen and Phosphorus from Intensive Whiteleg Shrimp Wastewater

Phytoremediation Potential of Typha orientalis and Scirpus littoralis in Removal of Nitrogen and Phosphorus from Intensive Whiteleg Shrimp Wastewater