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.
Degradation of chlorpyrifos (CP) in the different sites (soils) after three repeated laboratory applications (10 mg/kg). (A) Sites treated with pesticides in the fields (R) and (B) headland sites not treated with pesticides (H). Error bars represent standard error of the mean (n = 3). No errors bars are of the same size or smaller than the plot symbols.
