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.
(a) Cross‐section of barley root (no hairs) growing in soil. Internal root structures and the surrounding soil structure could be clearly visualised. Bar, 1 mm. (b) Soil classification using trainable WEKA segmentation. Black, solid phase; white, mixed phase; grey, air‐filled pore space. Note that the root was segmented independently. (c) Pore size classification around the root. Segmented root is shown in white. Colours indicate local pore diameter in micrometres.
