Imidacloprid losses in surface runoff from plots cultivated with tobacco (Journal article)

Triantafyllidis, V./ Hela, D./ Dimopoulos, P./ Albanis, T.

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.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας
Keywords: insecticide,imidacloprid,runoff,tobacco cultivation,sorption-desorption,soil,chromatography,behavior,water
ISSN: 0306-7319
Link: <Go to ISI>://000234970100002
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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