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.
Effect of drought on fraction of root, stem, leaf, and reproductive biomass. Error bars show the 95% confidence intervals (CIs). Numbers of observations were given in the brackets. The effects of drought are expressed as percentage change relative to the control (%)
