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Table 2 Summary of correlation coefficients between the activity of each bioassay and soil property

From: Effects of properties of metal-contaminated soils on bacterial bioluminescence activity, seed germination, and root and shoot growth

Parameters	Correlation coefficients (r²)
Parameters	Total contents	Acid extracted	CEC	pH	DOC	Organic-C	Organics
Bioluminescence	0.103	<0.001	0.095	0.096	0.497	0.720	0.720
Seed germination	0.022	0.052	0.031	0.048	e−06	0.011	0.011
Root growth	0.279	0.169	0.668	0.086	0.028	0.018	0.018
Shoot growth	0.272	0.040	0.329	0.121	0.150	0.054	0.054

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