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Effect of organic, low-input and conventional production systems on pesticide and growth regulator residues in wheat, potato and cabbage

Lueck, L.; Schmidt, C.S.; Cooper, J.M.; Shotton, P.N.; Hajslova, J.; Schulzova, V. and Leifert, C. (2007) Effect of organic, low-input and conventional production systems on pesticide and growth regulator residues in wheat, potato and cabbage. Paper at: 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

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Summary

The Nafferton factorial systems comparison (NFSC) experiments facilitate the investigation of effects of, and interaction between, three production system components - a) rotational position, b) fertility and c) crop protection management - in organic, conventional and low-input crop management systems. This paper presents first results on pesticide and growth regulator residues observed over a period of two years. Residues were only detected for three (Chlormequat, Chlorothalonil and Aldicarb) of the 28 pesticides used in the experiments. As expected, residue levels were affected by the crop protection practices, but significant effects of fertility management practices were also detected. This indicates that the human health risks associated with pesticide residues may increase in low input systems which attempt to reduce the environmental impact of conventional farming systems by switching to organic matter based fertilisation regimes.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:organic cropping system, low-input cropping system, factorial systems comparison experiment, Chlormequat, Aldicarb, Chlorothalonil
Subjects: Environmental aspects
Crop husbandry > Crop health, quality, protection
Farming Systems
Research affiliation: Czech Republic > Institute of Chemical Technology (VSCHT)
European Union > QualityLowInputFood > Subproject 2: Effects of production methods
International Conferences > 2007: 3rd QLIF Congress > 2 Food quality/ safety
UK > Univ. Newcastle
Related Links:http://orgprints.org/10417/
Deposited By: Lueck, Dr Lorna
ID Code:10380
Deposited On:14 Apr 2007
Last Modified:07 Apr 2011 13:35
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:The final version of this paper is published in:
Niggli, Urs; Leifert, Carlo; Alföldi, Thomas; Lück, Lorna and Willer, Helga, Eds. (2007) Improving Sustainability in Organic and Low Input Food Production Systems. Proceedings of the 3rd International Congress of the European Integrated Project Quality Low Input Food (QLIF). University of Hohenheim, Germany, March 20 – 23, 2007. Research Institute of Organic Agriculture FiBL, CH-Frick. http://orgprints.org/10417/
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