Fig. 3.
Relation between the root electrical resistance and root surface area (A), the number of lateral roots (B), and the root length (C) for the intact willow roots as immersed in the nutrient solution (n=31).
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.