Full TGIF Record # 95193
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Web URL(s):https://link.springer.com/article/10.1023%2FB%3APLSO.0000016552.12451.95
    Last checked: 09/27/2017
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Wu, Qi-Tang; Xu, Zhaoli; Meng, Qingqiang; Gerard, Emilie; Morel, Jean-Louis
Author Affiliation:Wu, Xu, Meng: College of Natural Resources and Environment, South China Agricultural University, Guangzhou, China; Gerad and Morel: Laboratoire Sol Et Environment, ENSAIA-INRA, Vandoeuvre-les-Nancy, France; Wu: Corresponding Author
Title:Characterization of cadmium desorption in soils and its relationship to plant uptake and cadmium leaching
Source:Plant and Soil. Vol. 258, No. 1/2, January 2004, p. 217-226.
# of Pages:10
Publishing Information:Dordrecht, Netherlands: Kluwer Academic Publishers
Keywords:TIC Keywords: Cadmium; Desorption; Uptake; Leaching; Ratios
Abstract/Contents:"Experiments on Cd desorption were conducted with a range of water-to-soil ratios to assess the desorption characteristics of Cd in soils and the availability of Cd for absorption by plant roots and leaching to groundwater, Soil samples were collected from sites contaminated by a former Pb and Zn smelter, by sewage irrigation, or with artificial additions of Cd and sewage sludge. Glasshouse pot experiments were conducted in which the yield and Cd uptake of crop plants were determined. Cadmium leached from soil columns was also studied using soil lysimeters. The soil solution Cd concentration decreased with increasing solution-to-soil ratio and followed a negative power function. Two contants obtained from logarithmic linear regression were identified. The intercept (C1) was Cd concentration in the soil solution where the solution/soil ratio was equal to 1 and this constant was the intensity factor of the initial element supply in the soil. The slope (a) showed a decreasing trend for Cd concentration in the soil solution which was related to the soil buffering capacity. A corrected concentration (C1/a) is proposed for expressing soil desorption ability. This combined index was significantly correlated with Cd uptake by plants and also with Cd leached from soil columns."
Language:English
References:25
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wu, Q.-T., Z. Xu, E. Gerard, J.-L. Morel, and Q. Meng. 2004. Characterization of cadmium desorption in soils and its relationship to plant uptake and cadmium leaching. Plant Soil. 258(1/2):p. 217-226.
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https://link.springer.com/article/10.1023%2FB%3APLSO.0000016552.12451.95
    Last checked: 09/27/2017
    Access conditions: Item is within a limited-access website
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