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.
Root diameter (mm) of first-, second-, third-, fourth- and fifth-order roots among species with low (Intolerant), moderate (Moderate) and high (Tolerant) shade tolerance in Sapindaceae, Betulaceae, Fagaceae and Pinaceae. Species are given in Table 1. Mean square error = 0.11 for root diameter.
