FIGURE 1.
Scheme of the experimental design with four blocks (A–D) each containing one organic and one conventional field and each field with one control (roof control) and one drought treatment (roof)
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.