The herbicide, Dacthal (dimethyl 2,3,5,6,-tetrachloroterephthalate) is
hydrolyzed to give the corresponding diacid and this derivative is a common
contaminant in ground water. In the Ontario region of eastern Oregon the
use of this herbicide on onions has resulted in the contamination of an
aquifer with this derivative. Since movement to...
This paper comprises two major sections. In the first, tests of the influence of several application factors on efficiency of silvicultural herbicides are described for evergreen shrub, deciduous shrub, and herbaceous forest vegetation in Oregon and California. The second presents decision trees illustrating how to use the experimental results and...