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Research article - Peer-reviewed, 2007

Crop damage may occur after herbicide disposal in manure: A preliminary study

Kylin H, Torstensson L, Ramberg A, Volkova L, Sundin P


Six plant protection products (esfenvalerate, diflufenican, isoproturon, terbutylazine, chlorsulphuron, and metsulphuron-methyl) were added to pig and bovine liquid manure, and the degradation of the compounds was followed over a period of 57 (sulphonylureas) or 77 (other compounds) weeks. After 57 weeks more than 50% of the sulphonylureas remained in the bovine liquid manure, while 25% remained in the pig liquid manure. After 77 weeks >90% terbutylazine, 50-60% enfenvalerate, and 10-40% diflufenican and isoproturon had been degraded in both bovine and pig liquid manure. With exception of terbutylazine, the examined plant protection products were neither quickly nor extensively degraded. The practice to add unused spraying liquid or rinse-water containing plant protection products to liquid manure constitutes a risk that unwanted compunds are inadvertently added to the fields when the liquid manure is used as fertilizer, and this may cause crop damage

Published in

Acta Agriculturae Scandinavica, Section B - Soil and Plant Science
2007, volume: 57, number: 3, pages: 243-247

Authors' information

Kylin, Henrik
Norwegian Institute for Air Research (NILU)
Kylin, Henrik
Swedish University of Agricultural Sciences, Department of Environmental Assessment
Torstensson, Lennart
Swedish University of Agricultural Sciences, Department of Microbiology
Ramberg, Åsa (Ramberg, Åsa)
Swedish University of Agricultural Sciences, Department of Environmental Assessment
Volkova, Laima
Sundin, Peter

UKÄ Subject classification

Agricultural Science
Environmental Sciences related to Agriculture and Land-use

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