Table 1. X-ray CT scan parameters suitable for imaging a 30-60 mm diameter soil core.

The scan was conducted in ‘FAST’ Scan mode (continuous rotation of sample with no image averaging).

X-ray Energy (kV)	X-ray Current (µA)	Projection Images	Detector timing (ms)	Image averaging	Image skip	Resolution (µm)	Multiscan	Scan time (min)
140	200	2520	131	0	1	45	x1	5