Search Results - "Chaudri, A. M."

Factors affecting the concentrations of lead in British wheat and barley grain by Zhao, F.J, Adams, M.L, Dumont, C, McGrath, S.P, Chaudri, A.M, Nicholson, F.A, Chambers, B.J, Sinclair, A.H

“…The entry of Pb into the food chain is of concern as it can cause chronic health problems. The concentration of Pb was determined in cereal grain samples…”
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Biomass carbon measurements and substrate utilization patterns of microbial populations from soils amended with cadmium, copper, or zinc by Knight, B.P. (IACR-Rothamsted, Harpenden, Hertfordshire, UK.), McGrath, S.P, Chaudri, A.M

“…Samples of a sandy loam soil taken from a long-term liming experiment in southeast England were amended with solutions of metal sulfate salts. Soils with a…”
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Soil solid-phase controls lead activity in soil solution by Badawy, S.H, Helal, M.I.D, Chaudri, A.M, Lawlor, K, McGrath, S.P

“…Lead pollution of the environment is synonymous with civilization. It has no known biological function, and is naturally present in soil, but its presence in…”
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Fresh additions of heavy metals do not model long-term effects on microbial biomass and activity by Renella, G, Chaudri, A.M, Brookes, P.C

“…Previous work has reported adverse effects of long-term exposures of heavy metals (e.g. Cu, Ni, Cd and Zn) on soil microbial biomass (up to 50% decrease) and…”
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Initial results from a long-term, multi-site field study of the effects on soil fertility and microbial activity of sludge cakes containing heavy metals by Gibbs, P. A., Chambers, B. J., Chaudri, A. M., McGrath, S. P., Carlton-Smith, C. H., Bacon, J. R., Campbell, C. D., Aitken, M. N.

“…In a long‐term study of the effects on soil fertility and microbial activity of heavy metals contained in sewage sludges, metal‐rich sludge cakes each with…”
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Determination of chemical availability of cadmium and zinc in soils using inert soil moisture samplers by Knight, Bruce P., Chaudri, Amar M., McGrath, Steve P., Giller, Kenneth E.

“…A rapid method for extracting soil solutions using porous plastic soil-moisture samplers was combined with a cation resin equilibration based speciation…”
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A study of the impacts of Zn and Cu on two rhizobial species in soils of a long-term field experiment by Chaudri, Amar M., Allain, Céline M. G., Barbosa-Jefferson, Vera L., Nicholson, Fiona A., Chambers, Brian J., McGrath, Steve P.

“…Two agriculturally important species of rhizobia, Rhizobium leguminosarum biovar viciae (pea rhizobia) and R. leguminosarum bv. trifola (white clover…”
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Determination of Acute Zn Toxicity in Pore Water from Soils Previously Treated with Sewage Sludge Using Bioluminescence Assays by Chaudri, Amar M, Knight, Bruce P, Barbosa-Jefferson, Vera L, Preston, Sara, Paton, Graeme I, Killham, Ken, Coad, Nicholas, Nicholson, Fiona A, Chambers, Brian J, McGrath, Steve P

“…The effects of increasing concentrations of Zn and Cu in soil pore water from soils of a long-term sewage sludge field experiment on microbial bioluminescence…”
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Cadmium Content of Wheat Grain from a Long‐Term Field Experiment with Sewage Sludge by Chaudri, Amar M., Allain, Céline M.G., Badawy, S.H., Adams, Martin L., McGrath, Steve P., Chambers, Brian J.

“…ABSTRACT Grain Cd concentrations were determined in the wheat (Triticum aestivum L.) cultivars Soissons, Brigadier, and Hereward grown in 1994, 1996, and 1999,…”
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Response of a Rhizobium-based luminescence biosensor to Zn and Cu in soil solutions from sewage sludge treated soils by Chaudri, Amar M, Lawlor, Kirsten, Preston, Sara, Paton, Graeme I, Killham, Ken, McGrath, Steve P

“…A luminescence based biosensor (Rhizotox-C) was used as an indicator of heavy metal pollution of soils. The response of the biosensor to increasing…”
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Soil Solid‐Phase Controls Lead Activity in Soil Solution by Badawy, S. H., Helal, M. I. D., Chaudri, A. M., Lawlor, K., McGrath, S. P.

“…ABSTRACT Lead pollution of the environment is synonymous with civilization. It has no known biological function, and is naturally present in soil, but its…”
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Pentachlorophenol utilization by indigenous soil microorganisms by Chaudri, Amar M, Lawlor, Kirsten, McGrath, Steve P

“…Pentachlorophenol (PCP) has been used extensively world wide as a preservative by the timber and textile industries because of its antimicrobial properties…”
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Gene transfer in bacteria from soils contaminated with heavy metals by Lawlor, K., Chaudri, A. M., McGrath, S. P., Hirsch, P. R.

“…Transfer of metal resistance plasmids into two pseudomonad recipients, Pseudomonas aureofaciens and Ps. putida, from soil bacteria donor populations, was…”
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Initial results from long-term field studies at three sites on the effects of heavy metal-amended liquid sludges on soil microbial activity by Gibbs, P. A., Chambers, B. J., Chaudri, A. M., McGrath, S. P., Carlton-Smith, C. H.

“…In a long‐term study of the effects on soil fertility and microbial activity of heavy metals contained in sewage sludges, metal‐amended liquid sludges each…”
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Toxicity of organic compounds to the indigenous population of Rhizobium leguminosarum biovar Trifolii in soil by Chaudri, Amar M., McGrath, Steve P., Knight, Bruce P., Johnson, David L., Jones, Kevin C.

“…A sandy loam was amended individually with 12 organic compounds at the largest concentrations found in sewage sludge to determine their effects on the…”
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Long-term effects of metals in sewage sludge on soils, microorganisms and plants by McGrath, S P, Chaudri, A M, Giller, K E

“…This paper reviews the evidence for impacts of metals on the growth of selected plants and on the effects of metals on soil microbial activity and soil…”
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Long-term effects of metal contamination on Rhizobium by McGrath, S.P, Chaudri, A.M

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Speciation of zinc in contaminated soils by Stephan, Chadi H., Courchesne, François, Hendershot, William H., McGrath, Steve P., Chaudri, Amar M., Sappin-Didier, Valérie, Sauvé, Sébastien

“…The chemical speciation of zinc in soil solutions is critical to the understanding of its bioavailability and potential toxic effects. We studied the…”
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Effects of Cd, Zn, or both on soil microbial biomass and activity in a clay loam soil by Renella, Giancarlo, Chaudri, Amar M, Falloon, Céline M, Landi, Loretta, Nannipieri, Paolo, Brookes, Philip C

“…We investigated Cd, Zn, and Cd + Zn toxicity to soil microbial biomass and activity, and indigenous Rhizobium leguminosarum biovar trifolii, in two near…”
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Effects of media components on toxicity of Cd to rhizobia by Scott Angle, J. (Maryland Univ., College Park, MD (USA). Dept. of Agronomy), McGrath, S.P, Chaudri, A.M

“…Numerous studies have attempted to relate the ability of microorganisms to tolerate heavy metals added to artificial media to metal concentrations found in the…”
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