Influence of silts on growth and development of Acorus calamus and Acorus tatarinowii in turbid water Survival and growth response of Vetiveria zizanioides, Acorus calamus and Alternanthera philoxeroides to long-term submergence The influence of light and growth stage on oxygen diffusion capacity of Acorus calamus roots Influence of soil gradual drought stress on Acorus calamus growth and photosynthetic fluorescence characteristics Comparative Study on Photosynthetic Characteristics of Hydrophytes in Constructed Wetland Cytological Study on Acorus L. in Southwestern China, with Some Cytogeographical Notes on A. calamus Effects of Cr(Ⅵ) stress on the growth and Cr uptake of Acorus calamus