Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Impact of pesticides as expressed by the Environmental Impact Quotient (EIQ) and estimated annually from treatments applied in commercial orchards from 1979 to 2001. Orchards located at Hemmingford, Franklin and Oka. Vertical bars represent standard error. Only significant trends (p 0.05) are shown.
