In lab test, three spices plants:Oenanthe decumbens,Lolium multiflorum and Ipomoea aquatica Forsk grew well and the removing rates of TN,NH4-N,NO3-N,TP,PO4-P were as high as 80%.

• 室内试验结果，3种植物的生长状况良好。其叶长、株高、根长均有显著增长，且富营养化水体中的TN、NH4-N、NO3-N、TP、PO4-P等的去除率可达80%25以上。