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Title: Organic matter influence in cadmium uptake by sorghum
Authors: Pinto, A.P.
Vilar, M. T.
Pinto, F. C.
Mota, A. M.
Editors: Mills, Harry A.
Keywords: Cadmium
Organic matter
Issue Date: 2004
Publisher: Taylor & Francis
Citation: JOURNAL OF PLANT NUTRITION Vol. 27, No. 12, pp. 2175–2188, 2004
Abstract: The influence of soil organic matter (OM) in the uptake of cadmium (Cd) by Sorghum will be studied in order to get a better knowledge in the yield and understanding of detoxification mechanisms of soils. Plants were grown for 60 days in a greenhouse pot experiment using a contaminated soil with 4.5 and 35 mg Cd kg_1, in absence and presence of OM. An Irish peat moss (70 g kg_1 of soil) was added as OM. In the presence of OM the biomass production of root and shoot was increased with a positive correlation between biomass increment and contamination level. For experiments with 35mg Cd kg_1 of soil the biomass production was increased of about 7 times in the presence (vs. absence) of OM. Although the presence of OM had decreased Cd root concentration by decreasing Cd bioavailability in soil, the increase of biomass in presence of OM led to an increase of about 3 times on the Cd amount in shoot, result that can be important in soil phytoremediation.
Type: article
Appears in Collections:MED - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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