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Fate of Pesticides in the Atmosphere: Implications for Environmental Risk Assessment: Proceedings of a Workshop Organised by the Health Council of the ... the Netherlands, April 22-24, 1998 - Couverture rigide

 
9780792359944: Fate of Pesticides in the Atmosphere: Implications for Environmental Risk Assessment: Proceedings of a Workshop Organised by the Health Council of the ... the Netherlands, April 22-24, 1998
Couverture rigide
ISBN 10 : 0792359941 ISBN 13 : 9780792359944
Editeur : Kluwer Academic Publishers, 1999

Synopsis

Global pesticide use is currently estimated at approximately 2. 5 billion kg per year (Pimentel eta/., 1998). To be effective, pesticides need to persist for a certain period of time. However, the longer their persistence, the greater the potential for transport of a fraction of the amount applied away from the target area. Pesticides are dispersed in the environment by water currents, wind, or biota. Pesticides can directly contaminate ground and surface waters by leaching, surface run-off and drift. Pesticides can also enter the atmosphere during application by evaporation and drift of small spray droplets, that remain airborne. Following application, pesticides may volatilise from the crop or the soil. Finally, wind erosion can cause soil particles and dust loaded with pesticides to enter the atmosphere. The extent to which pesticides enter the air compartment is dependent upon many factors: the properties of the substance in question (e. g. vapour pressure), the amount used, the method of application, the formulation, the weather conditions (such as wind speed, temperature, humidity), the nature of the crop and soil characteristics. Measurements at application sites reveal that sometimes more than half of the amount applied is lost into the atmosphere within a few days (Spencer and Cliath, 1990; Taylor and Spencer; 1990; Van den Berg et a/., this issue).

Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.

Éditeur
Kluwer Academic Publishers
Date d'édition
1999
Langue
anglais
ISBN 10 
0792359941
ISBN 13 
9780792359944
Reliure
Relié
Numéro d'édition
1
Nombre de pages
282
Éditeur
Van Dijk Harrie F.G., Van Pul W. Addo J., De Voogt Pim
Coordonnées du fabricant
non disponible
Personne responsable
CMN Printpool Inh. Mathis Neumann
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