Effects of cadmium and sewage-sludge on soil microbial biomass and enzyme activities
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Cited by (78)
Impact of heavy metal passivators on the nitrogenase activity and diazotrophic community in a cadmium-contaminated paddy field
2022, International Biodeterioration and BiodegradationCitation Excerpt :PCC7120 reached 5-fold compared to that of the Control (Singh et al., 2014). Dar (1996) also found that at a concentration of 10 mg kg−1, Cd showed no significant effect on soil microbial biomass and enzymes activities. As shown in Table S3, activity of nitrogenase significantly positively correlated with soil pH and the contents of AP, Ca2+, and ASi in paddy soil.
Metal-Fungus interaction: Review on cellular processes underlying heavy metal detoxification and synthesis of metal nanoparticles
2021, ChemosphereCitation Excerpt :Griffiths et al. (1997) assayed the % (G + C) profiling and community hybridization by extracting DNA from a contaminated abatable soil sample and suggested that Cd contamination brings about a decrease in carbon biomass. Cd at a concentration of 50 mg/kg diminishes enzyme activity, precisely that of dehydrogenase, alkaline, and acid phosphatase in sludge (Dar 1996; Landi et al., 2000). A schematic representation of the mode of action of heavy metals on fungus has been illustrated in Fig. 1.
Salinity stress accelerates the effect of cadmium toxicity on soil N dynamics and cycling: Does joint effect of these stresses matter?
2018, Ecotoxicology and Environmental SafetyCitation Excerpt :As with cumulative net ammonification, the arginine ammonification rate in Cd- and NaCl-amended soils was generally lower than that in unamended soils, particularly in Cd-polluted soils treated with NaCl (Fig. 2). Similarly, stresses induced by salt (Rietz and Haynes, 2003; Yuan et al., 2007) and Cd (Dar, 1996) decreased the soil arginine ammonification rate. However, the arginine ammonification was significantly greater in residue-amended than unamended soils for all the treatments with or without Cd and NaCl additions throughout the incubation.
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Present address: Microbiology Section, Division of Plant Pathology, S. K. University of Agricultural Sciences and Technology, Shalimar, Srinagar-191 121 (Kashmir), India.