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.
Association of water mass per area with the terahertz transmission peak field ratio, generalizing across leaves within and across three species. Each species’ measurement points, regression line, and ordinary least squares R 2 values are presented: Arabidopsis thaliana, purple; Hedera canariensis, blue; Platanus racemosa, yellow; all species together, black. Statistical significance: *, p < .05; **, p < .01; ***, p < .001
