Monitoring Herbicide Residues in Springflow After an Operational Application of Hexazinone
Author: Neary, Daniel G.
Source: Southern Journal of Applied Forestry, Volume 7, Number 4, 1 November 1983 , pp. 217-223(7)
Publisher: Society of American Foresters
Abstract:Parts of two forested watersheds (440 ac and 482 ac) in central Tennessee were aerially treated with 15 lb/ac of hexazinone pellets (10-percent active ingredient) to remove hardwood competition prior to establishing loblolly pine (Pinus taeda L.). Both treated watersheds and a control were monitored to determine if hexazinone residues were entering ground water and appearing in springflow. Seven months of monitoring included two intensively sampled periods during application and the first storm. No detectable residues of hexazinone or its two primary metabolites were measured in samples from a watershed in which hexazinone was applied up to 66 ft. from the monitoring point. Springflow samples from a watershed treated a year earlier (in 1980) were also clear of herbicide residues.
Document Type: Journal Article
Affiliations: Soil Scientist, Intensive Management Practices Assessment Center, Southeastern Forest Experiment Station, USDA Forest Service, University of Florida, Gainesville 32601
Publication date: 1 November 1983
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