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. 2020 Nov 5;15(11):e0241794. doi: 10.1371/journal.pone.0241794

Table 5. PLS path model showing the weight and loading values, the path coefficients, its standard deviation, its significance relevance with t-values and its Bias Corrected Confidence Interval (95%).

	Weight	Loading	Standard deviation of weight	Standard deviation of loading	t-value of weight	t-value of loading	95% Confidence Interval (Bias corrected) of weight	95% Confidence Interval (Bias corrected) of loading
pH ➔ Chemical soil properties	-0.538^**	-0.620	0.161	0.175	3.344	3.544	[-0.823, -0.241]	[-0.858, -0.268]
Salinity ➔ Chemical soil properties	-0.043	-0.054^ns	0.205	0.169	0.208	0.320	[-0.406, 0.372]	[-0.381, 0.278]
OC ➔ Chemical soil properties	-0.214	0.249^ns	0.201	0.161	1.068	1.545	[-0.642, 0.143]	[-0.082, 0.533]
ON ➔ Chemical soil properties	0.637^**	0.756	0.195	0.110	3.268	6.860	[0.246, 0.963]	[0.583, 0.932]
P ➔ Chemical soil properties	0.417^**	0.567	0.149	0.127	2.795	4.453	[0.123, 0.698]	[0.343, 0.796]
SCC ➔ Physical soil properties	0.404	0.571^ns	0.532	0.415	0.759	1.376	[-0.667, 1.337]	[-0.324, 0.992]
SSC ➔ Physical soil properties	-0.399	-0.891^ns	0.746	0.591	0.535	1.508	[-1.368, 1.110]	[-1.000, -0.548]
SMC ➔ Physical soil properties	0.600	0.690^ns	0.378	0.435	1.588	1.587	[-0.070, 1.336]	[-0.380, 0.986]
AAR ➔ Site climate	0.672^**	0.964	0.144	0.041	4.659	23.401	[0.383, 0.942]	[0.904, 0.999]
M ➔ Site climate	-0.100	-0.772^**	0.250	0.110	0.401	7.020	[-0.569, 0.408]	[-0.929, -0.515]
Z ➔ Site climate	0.323	0.852^**	0.225	0.075	1.438	11.321	[-0.094, 0.775]	[0.686, 0.965]
	Path coefficient		Standard deviation of Path		t-value of path		95% Confidence Interval (Bias corrected) of path	Effect size (f²) of path
Chemical soil properties ➔ AMF root colonization	-0.306^***		0.088		3.527		[-0.451, -0.123]	0.104^a
Physical soil properties ➔ AMF root colonization	-0.137^ns		0.139		0.985		[-0.304, 0.266]	0.026^b
Site climate ➔ AMF root colonization	-0.355^***		0.094		3.782		[-0.531, -0.167]	0.125^a

R² value: 0.390.

Significant values are written in bold font:

* P < 0.1,

** P < 0.05,

*** P < 0.01.

a = small effect size,

b = no effect.