Estimates of herbicide use for the 20 most-used herbicides in the conterminous United States
This coverage contains estimates of herbicide use for the 20 most-used
herbicides in the conterminous United States as reported in Gianessi
and Puffer (1991). Herbicide-use estimates in this coverage are reported
for each county polygon as acres treated, pounds of active ingredient
used, and pounds used per square …