Biomechanics of Atlas Cedar Roots in response to the Medium Hydromechanical Characteristics

Table 1

Mechanical and hydraulic characteristics of media.

Media	Acronym	K (cm s^−1)	n	ρ d (g cm^−3)	ρ sat (g cm^−3)	WHC (%)
Hydroponic	Hyd	1.000 ± 0.0000^a	1.000 ± 0.0000^a	0.000 ± 0.000^a	1.000 ± 0.0000^a	100 ± 0.00^a
Vermiculite	Ver	0.106 ± 0.0003^b	0.951 ± 0.0139^b	0.349 ± 0.013^b	1.300 ± 0.002^b	73.75 ± 1.87^b
Sawdust	Saw	0.046 ± 0.0027^c	0.839 ± 0.0406^c	0.209 ± 0.016^b	1.049 ± 0.043^a	56.25 ± 1.87^c
Vermiculite-gravel	VGr	0.022 ± 0.0007^d	0.685 ± 0.0297^d	1.089 ± 0.105^c	1.773 ± 0.096^c	57.50 ± 2.50^c
Sand	San	0.016 ± 0.0003^e	0.472 ± 0.0074^e	1.480 ± 0.060^d	1.952 ± 0.052^d	27.50 ± 3.75^d

K: permeability, n: porosity, ρ_d: bulk density, ρ_sat: density at saturation, and WHC: water-holding capacity. Mean ± SD followed by letters indicates significant differences ( LSD test).