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Evaluation of Phosphate Solubilization Microbe(PSM) Activity During Initial Operation of Constructed Wetland

  • Applied Wetland Science
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Abstract

Constructed wetland is typically occupied on the urban area, which emulates the function of natural wetland. It is necessary to supply nutrients that vegetation can absorb for its growth thus sustaining the nature system where represents as vegetation. Phosphorus is one of the essential nutrients for the growth of vegetation, whereas in natural wetlands the amount of phosphorus available for the growth of vegetation is insufficient. In this study, Phosphate Solubilization Microbe (PSM) was used for changing the phosphate’s chemical structure in wetland by its metabolism. Therefore, if PSM is added in wetlands, it is expected that the phosphorus removal mechanism by vegetation can be microbially boosted by the PSM. The PSM activity was measured from the soil sampled in advance, and then the experiment was conducted by culturing PSM in string media, excluding vegetation in the wetland module, and varying the concentration of phosphorus and the numbers of media. It was found that the concentration of the available phosphorus was proportional to the number of media by showing the more than half of conversation ratio orthophosphate into the available phosphorus. This study was conducted for verifying hypothesis that PSM might be help to activate a wetland environment without vegetation and PSM can be very useful to environmentally activating a wetland at the beginning of its formation and establishment in nature or after the winter season when the environment of wetland is relatively dormant.

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Data Availability

The datasets are available from the corresponding author on reasonable request.

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Funding

This work was supported by the Research Program funded by the Seoul National University of Science and Technology (Grant numbers 2023 − 1280). Author Kyungik Gil has received research support from Seoul National University of Science and Technology.

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Contributions

The corresponding author Kyungik Gil contributed to the research conception, design and revisions for the final manuscript. The first author Sungryul Kim contributed to experiment for this research and the first draft of manuscript were performed.

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Correspondence to Kyungik Gil.

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The authors have no relevant financial or non-financial interests to disclose.

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Kim, S., Gil, K. Evaluation of Phosphate Solubilization Microbe(PSM) Activity During Initial Operation of Constructed Wetland. Wetlands 44, 40 (2024). https://doi.org/10.1007/s13157-024-01795-7

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  • DOI: https://doi.org/10.1007/s13157-024-01795-7

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