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Azo dyes, as the largest group of synthetic dyes released from textile and dyestuff industries, have caused serious environmental problems. We investigated the removal ability and physiological response of sunflowers to simulated wastewater containing azo dyes with concentration similar to real wastewater or above. The percent decolorization of the three azo dyes within 4days varied greatly. For the...
The responses of soil enzyme activity of freshwater marsh, microbial biomass carbon (MBC), dissolved organic carbon (DOC) and aboveground biomass to water gradients were studied with Carex lasiocarpa pot culture experiment. The relationships between soil enzyme activity and MBC, DOC and aboveground biomass were discussed. The water gradients were W1, 15 cm; W2, −5 cm; W3, −5–5 cm; W4, submerged. The...
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