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Environmental Fate and Impacts of Sulfometuron on Watersheds in the Southern United States

G.W. Andrews Forestry Sciences Laboratory, 520 DeVall Drive, Auburn, AL 36849

View larger version (30K): [in a new window]   Fig. 1. Twenty-four-hour average sulfometuron concentration in streamflow from two watersheds in Mississippi treated with 0.42 kg a.i. ha-1 (sprayed) or 0.37 kg a.i. ha-1 (pelleted). For graphing purposes, 0.1 µg L-1 was substituted for samples containing either a trace or nondetectable amounts of sulfometuron.

View larger version (21K): [in a new window]   Fig. 2. Sulfometuron in stormflow following treatment with 0.37 kg a.i. ha-1 on the pelleted watershed.