"This study examined four approaches to managing phosphorus: the first two approaches utilize bioswale and bioretention separately to treat stormwater runoff; [the] third approach applies bioswale and constructed wetland (in a series) to purify stormwater; and [the] fourth approach utilize[s] bioretention and constructed wetland (in a series) to clean stormwater. Results of these approaches showed that ... best management practices (BMPs) in a series worked incredibly better than single BMPs."--from abstract.
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