Imidacloprid losses in surface runoff from plots cultivated with tobacco

 
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2006 (EN)
Imidacloprid losses in surface runoff from plots cultivated with tobacco (EN)

Triantafyllidis, V. (EN)

Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας (EL)
Triantafyllidis, V. (EN)

The loss of imidacloprid, a systemic insecticide, was determined in runoff water from loamy soil plots of various surface slopes cultivated with tobacco over a period of 174 days. Conditions were selected to simulate agricultural practices employed in the Mediterranean region. The surface slopes of plots were 0, 2.5, 5, 7.5, and 10%, and both cultivated and uncultivated ( control) areas were monitored simultaneously. The cumulative losses of imidacloprid in surface runoff from tilled and untilled plots with a slope of 10% were estimated at 0.076% and 0.131% of the initial applied active ingredient, respectively, while for the plots with a slope of 0%, they were 0.003% and 0.005%. Analyses of soil samples for a 110 day period made it possible to study the kinetics of pesticide residue decrease. The average half-life was 17.8 days in bare soil and 16.9 days in tobacco-cultivated plots. (EN)

insecticide (EN)

Πανεπιστήμιο Ιωαννίνων (EL)
University of Ioannina (EN)

International Journal of Environmental Analytical Chemistry (EN)

English

2006

<Go to ISI>://000234970100002



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