Direct comparison of MRI and X-ray CT technologies for 3D imaging of root systems in soil: potential and challenges for root trait quantification

Table 3 Parameters of MRI measurements

	I.D. 34	I.D. 56	I.D. 81
Voxel size in horizontal plane [μm]	333	375	521
Voxel size vertical [μm]	1000	1000	1000
Repetition time T _R [s]	3	3	3
Echo time T _E [ms]	9	9	9
Number of averages	2	2	2
FOV in horizontal plane [mm]	64	72	100
FOV vertical [mm]	156	160	300
Measurement time [min]	40	40	60

I.D. inner pot diameter [mm], Voxel were anisotropic with the same size in the two horizontal dimensions and a larger size in the vertical dimension.

ISSN: 1746-4811