http://www.cnr.it/ontology/cnr/individuo/prodotto/ID42159
DEGRADATION AND LEACHING OF THE HERBICIDES METOLACHLOR AND DIURON: A CASE STUDY IN AN AREA OF NORTHERN ITALY (Articolo in rivista)
- Type
- Label
- DEGRADATION AND LEACHING OF THE HERBICIDES METOLACHLOR AND DIURON: A CASE STUDY IN AN AREA OF NORTHERN ITALY (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.envpol.2004.08.014 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- BARRA CARACCIOLO A. (a); GIULIANO G. (a); GRENNI P. (a); GUZZELLA L. (b); POZZONI F. (b); BOTTONI P. (c); FAVA L. (c); CROBE A. (c); ORRÙ M. (c); FUNARI E. (c) (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- a) Water Research Institute, National Research Council, Via Reno 1, 00198 Rome, Italy;
b) Water Research Institute, National Research Council, Via della Mornera 25, Milan, Italy;
c) Istituto Superiore di Sanita`, Department of Environmental Hygiene, Viale Regina Elena 299, 00161 Rome, Italy (literal)
- Titolo
- DEGRADATION AND LEACHING OF THE HERBICIDES METOLACHLOR AND DIURON: A CASE STUDY IN AN AREA OF NORTHERN ITALY (literal)
- Abstract
- In this work the degradation of the herbicides metolachlor, diuron, monuron and of the metabolites 2-ethyl-6-methylaniline (EMA), and 3,4-dichloroaniline (DCA) was assessed in laboratory experiments on microbiologically active and sterilized soils. Their leaching potentials were calculated, using Gustafson's equation, by determining their mobility (as Koc) and persistence (expressed as DT50). Lysimeter experiments were also conducted to assess the actual leaching of the studied herbicides in a cereal crop tillage area vulnerable to groundwater contamination. The data obtained from the field were compared to the laboratory results. Moreover, some compounds of particular concern were searched for in the groundwater located near the experimental area in order to evaluate actual contamination and to test the reliability of the leaching potential. The GUS index, computed on data from microbiologically
active soil, shows monuron as a leacher compound, EMA and DCA as non-leachers, metolachlor and diuron as transient ones. The presence of metolachlor in the groundwater monitored, even at concentrations up to 0.1 mg/l, confirms the possibility that transient compounds can be leached if microbial activity has not completely occurred in active surface soil. (literal)
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