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DOI:10.1007/s00267-004-5006-6
Web URL(s):https://link.springer.com/article/10.1007/s00267-004-5006-6/fulltext.html
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Publication Type:
i
Refereed
Author(s):Moreno, José L.; Sanchez-Marín, Antonio; Hernández, Teresa; García, Carlos
Author Affiliation:Department of Soil and Water Conservation and Organic Waste Management, CEBAS-CSIC, Murcia, Spain
Title:Effect of cadmium on microbial activity and a ryegrass crop in two semiarid soils
Source:Environmental Management. Vol. 37, No. 5, May 2006, p. 626-633.
Publishing Information:New York: Springer-Verlag New York Inc.
# of Pages:8
Related Web URL:https://link.springer.com/article/10.1007%2Fs00267-004-5006-6
    Last checked: 10/05/2017
    Notes: Abstract only
Keywords:TIC Keywords: Cadmium; Comparisons; Contamination; Growth analysis; Lolium perenne; Microbial activity; Pollution; Semiarid soils; Soil fertility; Soil management
Abstract/Contents:"Soil pollution with Cd is an environmental problem common in the world, and it is necessary to establish what Cd concentrations in soil could be dangerous to its fertility from toxicity effects and the risk of transference of this element to plants and other organisms of the food chain. In this study, we assessed Cd toxicity on soil microorganisms and plants in two semiarid soils (uncultivated and cultivated). Soil ATP content, dehydrogenase activity, and plant growth were measured in the two soils spiked with concentrations ranging from 3 to 8000 mg Cd/kg soil and incubated for 3 h, 20 days, and 60 days. The Cd concentrations that produced 5%; 10%;, and 50%; inhibition of each of the two soil microbiological parameter studied (ecological dose, ED, values) were calculated using two different mathematical models. Also, the effect of Cd concentration on plant growth of ryegrass (Lolium perenne, L.) was studied in the two soils. The Cd ED values calculated for soil dehydrogenase activity and ATP content were higher in the agricultural soils than in the bare soil. For ATP inhibition, higher ED values were calculated than for dehydrogenase activity inhibition. The average yields of ryegrass were reduced from 5.03 to 3.56 g in abandoned soil and from 4.21 to 1.15 g in agricultural soil with increasing concentrations of Cd in the soil. Plant growth was totally inhibited in abandoned and agricultural soils at Cd concentrations above 2000 and 5000 mg/kg soil, respectively. There was a positive correlation between the concentration of Cd in the plants and the total or DTPA-extractable concentrations of Cd in the soil."
Language:English
References:32
Note:Equations
Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Moreno, J. L., A. Sanchez-Marín, T. Hernández, and C. García. 2006. Effect of cadmium on microbial activity and a ryegrass crop in two semiarid soils. Environ. Manage. 37(5):p. 626-633.
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DOI: 10.1007/s00267-004-5006-6
Web URL(s):
https://link.springer.com/article/10.1007/s00267-004-5006-6/fulltext.html
    Last checked: 10/05/2017
    Access conditions: Item is within a limited-access website
https://link.springer.com/content/pdf/10.1007%2Fs00267-004-5006-6.pdf
    Last checked: 10/05/2017
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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