Implications of the Recycling of Sewage Sludge to the Agroecosystem: Zinc Transfer in the Soil-Plant-Arthropod System.

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Green, I. D. and Tibbett, M., 2001. Implications of the Recycling of Sewage Sludge to the Agroecosystem: Zinc Transfer in the Soil-Plant-Arthropod System. In: Recycling and Reuse of Sewage Sludge, 19-20 March 2001, University of Dundee, Scotland, pp. 217-225.

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Abstract

This study examines the transfer of zinc from an agricultural soil amended with sewage sludge through the soil-wheat-aphid system. Total zinc concentrations of the amended soil were well within the recommended limit. The results indicate that there is variation in the accumulation of zinc in the shoots of winter and spring wheat cultivars, with spring wheat showing higher concentrations. The subsequent transfer of zinc from the wheat to a sap feeding herbivore (Sitobean avenae) resulted in the biomagnification of zinc by a factor of two. A high sewage sludge application rate was associated with a significant decrease in the biomass of aphids. These results are discussed in the context of sewage sludge recycling in the modern agro-ecosystem.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Recycling and reuse of sewage sludge : proceedings of the international symposium organised by the Concrete Technology Unit and held at the University of Dundee, Scotland, UK on 19-20 March 2001 / edited by Ravindra K. Dhir, Mukesh C. Limbachiya, Michael J. McCarthy.
Uncontrolled Keywords:Biomagnification, Sewage sludge, Zinc, Sitobean avenae, Triticum aestivum
Subjects:Geography and Environmental Studies
Group:School of Applied Sciences > Centre for Conservation, Ecology and Environmental Change
ID Code:9744
Deposited By:Dr. Iain Green
Deposited On:03 Apr 2009 11:28
Last Modified:07 Mar 2013 15:07

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