The results were found as following: wetland with plants was superior to unplanted one in removing ability of both N and P.
英
美
结果表明:有植物床的脱氮除磷效果好于无植物床,复合床脱氮除磷效果最好,但芦苇床、姜花床、复合床之间的差异不显著;
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