TABLE 3.

Typical values from EDXS analysis of nodules, bulk, and rhizoplane PSL soil

Response variable	Value for variable (mean ± SD) in:			t ratio	P
	30-Day nodule		Clay particles
	Control	Colonized
Avg Fe (atom%)	1.23 ± 0.35	5.04 ± 1.62	0.73	−3.94	0.0479
Avg Fe wt (%)	1.98 ± 0.56	8.39 ± 2.69	0.42	−3.99	0.0472
Avg Mo (atom%)	0.55 ± 0.16	3.06 ± 0.95	0.20	−3.51	0.0391
Avg Mo wt (%)	1.54 ± 0.43	8.7 ± 2.42	0.69	−3.93	0.0294