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Five submerged macrophytes, Ceratophyllum demersum, Elodea canadensis, Potamogeton crispus, Myriophyllum spicatum and Vallisneria spiralis were selected and their relative growth rate (RGR) and the capacity of removing phosphorus in greenhouse were evaluated by hydrotropic experiments of two seasons (spring and autumn). The results showed that the RGR of C. demersum was the highest (1.29 for spring...
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