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Acta Biologica Hungarica

, Volume 64, Issue 4, pp 476–489 | Cite as

Effect of Cadmium Pollution of Atmospheric Origin on Field-Grown Maize in Two Consecutive Years with Diverse Weather Conditions

  • Angéla AndaEmail author
  • Bernadett Illés
  • G. Soós
Article

Abstract

The aim of the study was to analyse the effect of atmospheric cadmium (Cd) pollution of atmospheric origin in maize compared to a control without Cd pollution. The plant parameters investigated were the timing of phenological phases, leaf area index (LAI) and yield, while radiation and water regime parameters were represented by albedo (reflection grade) and evapotranspiration, respectively. In treatments with and without irrigation, Cd caused a significant reduction in LAI, accompanied by lower evapotranspiration. The mean annual albedo in the Cd-polluted treatment only rose to a moderate extent in 2011 (in 2010 there was hardly any change), but changes within the year were more pronounced in certain phases of development. Cd led to greater reflection of radiation by plants during the vegetative phase, so the radiation absorption of the canopy was reduced leading to a lower level of evapotranspiration. In the dry, hot year of 2011 maize plants in the non-irrigated treatments showed a substantial reduction in grain dry matter, but maize yield losses could be reduced by irrigation in areas exposed to Cd pollution.

Keywords

Cadmium pollution albedo evapotranspiration maize 

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Notes

Acknowledgements

This work was perfonned under the project TÁMOP-4.2.2/B-10/1-2010-0025 entitled “Promotion of the Research Workshops on the University of Pannonia”. This project was supported by the European Union and co-financed by the European Social Fund.

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© Akadémiai Kiadó, Budapest 2013

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  1. 1.Dept. of Meteorology and Water, Georgikon FacultyUniversity of PannoniaKeszthelyHungary

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