Untitled - naldc - USDA

Download PDF
2 downloads 0 Views 598KB Size Report
Comment
In 1990 Sampson Co., NC, and ... decreased from 21 mg L-1 to 2 mg L-1 after treatment in the rush/bulrushes (cells 1 and 2) or bur- .... Murphy farms, particularly Mr. Gary Scaff, for assistance with construction and operational issues.