The results showed that the dry weights of all theplants cultivated in biosolids increased compared with control sample, and the difference between Bidens maximowicziana Oett and control sample was extremely significant.

• 结果表明,生长于污泥中的植物其干重比对照均有不同程度的增加,其中羽叶鬼针草与对照相比差异极显著;