Table 4.

Linear regression coefficients (mean ± standard error) in relation to management type of log porosity vs. log modelled saturated permeability for the clay soil, at the core (Fig. A3a) and aggregate scale (Fig. A3b).

Treatment	n	Core		Aggregate
		Coefficienta	Puncorr	Coefficienta	Puncorr
Fallow	9	0.27 (±0.13)	0.08	0.71 (±0.24)	0.02
Arable	12	0.79 (±0.07)	<0.001	0.93 (±0.14)	<0.001
Grassland	12	1.00 (±0.15)	<0.001	1.38 (±0.32)	0.002
Coefficients PF		0.01		0.30

^aCoefficient of x value in fitted equation.