Table 2.

T-REX output of the percent variation from each source in the three datasets.

	Source	Agricultural + Prairie Soil	Agricultural Soil	Prairie Soil
Not replicated
	Main Effects
	T-RFs	40.7	36.6	41.3
	Environment	4.1	5.0	7.2
	Interaction
	Total	55.2	58.4	51.5
Replicated
	Main Effects
	T-RFs	63.6	61.3	70.3
	Environment	5.0	6.0	10.2
	Interaction
	Pattern	19.9	21.5	7.9
	Noise	11.6	11.2	11.6