Table 7.

Pearson correlation matrix soil variables with response to crop rotation, residue retention, and tillage based crop establishment treatments.

	CMacA	MesA	CMicA	Silt+clay	MWD	CMacAC	MesAC	CMicAC	Silt+clay C	Cfrac1	Cfrac2	Cfrac3	Cfrac4	TOC
CMacA	1.00
MesA	0.76⁎⁎	1.00
CMicA	−0.80⁎⁎	−0.83⁎⁎	1.00
Silt+clay	−0.76⁎⁎	−0.77⁎⁎	0.59⁎	1.00
MWD	0.90⁎⁎	0.83⁎⁎	−0.83⁎⁎	−0.80⁎⁎	1.00
CMacAC	0.62⁎	0.69⁎	−0.55⁎	−0.73⁎⁎	0.67⁎	1.00
MesAC	0.73⁎⁎	0.80⁎⁎	−0.71⁎⁎	−0.76⁎⁎	0.78⁎⁎	0.80⁎⁎	1.00
CMicAC	0.49	0.60⁎	−0.61⁎	−0.41	0.54⁎	0.64⁎	0.64⁎	1.00
Silt+clay C	0.10	−0.11	0.20	−0.23	0.05	0.42	0.23	0.16	1.00
Cfrac1	0.74⁎⁎	0.79⁎⁎	−0.73⁎⁎	−0.73⁎⁎	0.78⁎⁎	0.80⁎⁎	0.86⁎⁎	0.57⁎	0.20	1.00
Cfrac2	0.60⁎	0.62⁎	−0.57⁎	−0.60⁎	0.63⁎	0.72⁎⁎	0.80⁎⁎	0.47	0.32	0.84⁎⁎	1.00
Cfrac3	0.73⁎⁎	0.77⁎⁎	−0.71⁎⁎	−0.72⁎⁎	0.77⁎⁎	0.79⁎⁎	0.81⁎⁎	0.70⁎	0.23	0.77⁎⁎	0.65	1.00
Cfrac4	0.75⁎⁎	0.80⁎⁎	−0.76⁎⁎	−0.71⁎⁎	0.79⁎⁎	0.79⁎⁎	0.87⁎⁎	0.62⁎	0.17	0.90⁎⁎	0.84⁎⁎	0.81⁎⁎	1.00
TOC	0.74⁎⁎	0.78⁎⁎	−0.73⁎⁎	−0.72⁎⁎	0.78⁎⁎	0.81⁎⁎	0.87⁎⁎	0.60⁎	0.23	0.90⁎⁎	0.85⁎⁎	0.81⁎⁎	0.91⁎⁎	1

CMacA, coarse macroaggregates; MesA, mesoaggregates; CMicA, coarse microaggregates; MWD, mean weight diameter; CMacAC, coarse macro–aggregated carbon; MesAC, meso–aggregated carbon; CMicAC, coarse micro–aggregated carbon; Cfrac₁, very–labile carbon fraction; Cfrac₂, labile carbon fraction; Cfrac₃, less–labile carbon fraction; Cfrac₄, non–labile carbon fraction; TOC, total organic carbon.

^⁎p < 0.05, two–tailed.

^⁎⁎p < 0.01, two–tailed.