scholarly journals Effect of co-existing plant specie on soil microbial activity under heavy metal stress

2010 ◽  
Vol 7 (4) ◽  
pp. 697-704 ◽  
Author(s):  
C. O. Nwuche ◽  
E. O. Ugoji
Keyword(s):  
Heavy Metal ◽  
Microbial Activity ◽  
Heavy Metal Stress ◽  
Soil Microbial Activity ◽  
Metal Stress ◽  
Soil Microbial

Enhancing Cleanup of Heavy Metal Polluted Landfill Soils and Improving Soil Microbial Activity Using Green Technology with Ferrous Sulfate

2016 ◽  
Vol 6 (1) ◽  
pp. 97-103 ◽  
Author(s):  
Gilbert C. Sigua ◽  
Arnel Celestino ◽  
Ronaldo T. Alberto ◽  
Annie Melinda Paz-Alberto ◽  
Kenneth C. Stone
Keyword(s):  
Heavy Metal ◽  
Microbial Activity ◽  
Ferrous Sulfate ◽  
Soil Microbial Activity ◽  
Green Technology ◽  
Soil Microbial

scholarly journals Effects of heavy metal concentrations on biological activity of soil micro-organisms

2011 ◽  
Vol 49 (No. 7) ◽  
pp. 321-326 ◽  
Author(s):  
M. Šmejkalová ◽  
O. Mikanová ◽  
L. Borůvka
Keyword(s):  
Heavy Metal ◽  
Microbial Activity ◽  
Soil Microbial Activity ◽  
Soil Microflora ◽  
Significant Inhibition ◽  
Metal Concentrations ◽  
Heavy Metal Concentrations ◽  
Soil Microbial ◽  
Cadmium Lead ◽  
Micro Organisms

The distribution of cadmium, lead and zinc in exchangeable, organic, and 2M HNO3-extractable fractions as well as the effect of heavy metal concentrations on soil microflora was investigated. Six sampling transects were chosen in theLitavkaRiveralluvium in 1999–2001. Concentrations of all metals increased with decreasing distance from the source of contamination. The concentrations of Cd and Zn in exchangeable fraction were higher than in organically bound fraction, a reverse trend was found in Pb speciation. All measured parameters of soil microbial activity were affected by heavy metal concentrations. The decrease in CFU was most significant in the case of oligotrophic bacteria and spore-forming bacteria. Significant inhibition of C-biomass occurred in soils highly contaminated by heavy metals. The Cbiomass:Cox ratio decreased with increasing soil pollution. Generally, the values of enzymatic activities were highest in the soil above the source of contamination and they were decreased as approaching the source of contamination. Our results demonstrate that several parameters of microbial activity could be used as good indicators of increasing concentrations of Cd, Pb, and Zn in soil.

Initial results from long-term field studies at three sites on the effects of heavy metal-amended liquid sludges on soil microbial activity

2006 ◽  
Vol 22 (2) ◽  
pp. 180-187 ◽  
Author(s):  
P. A. Gibbs ◽  
B. J. Chambers ◽  
A. M. Chaudri ◽  
S. P. McGrath ◽  
C. H. Carlton-Smith
Keyword(s):  
Heavy Metal ◽  
Microbial Activity ◽  
Field Studies ◽  
Soil Microbial Activity ◽  
Soil Microbial ◽  
Initial Results ◽  
Term Field
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