Alachlor and Bentazone Losses from Subsurface Drainage of Two Soils
S. Dousset*,a,
M. Babutb,
F. Andreuxa and
M. Schiavonc
a UMR GéoSol-Microbiologie des Sols INRA A111, Université de Bourgogne, Centre des Sciences de la Terre, 6, boulevard Gabriel, 21 000 Dijon, France
b Biologie des Systèmes Aquatiques-CEMAGREF, 3, bis quai Chauveau, 69336 Lyon Cedex 09, France
c Laboratoire Sols et Environnement-ENSAIA-INRA/INPL, BP 172, 54505 Vand
uvre-lès-Nancy Cedex, France

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Fig. 1. Location map and layout of subsurface drain system in the experimental drainage field.
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Fig. 2. Monthly precipitation at Champenoux (2 km from the experimental site) during the monitoring period (19921994). The solid line shows the 29-yr average from 1972 to 2000 at Tomblaine meteorological station (8 km from the experimental site).
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Fig. 4. Alachlor () and bentazone () discharges vs. cumulative drainage for the two studied soils during the monitoring period (19921994).
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Copyright © 2004 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.