Table 3.

Summary of two-way ANOVA analysis testing the effects of crop species, fertilization treatments, and their interaction on P-acquisition traits variations.

	Crop				Treatment				Crop × Treatment
	DF	MSq	F	p	DF	MSq	F	p	DF	MSq	F	p
Acid phosphatasea	2	125.82	43.39	***	3	9.22	3.18	*	6	18.81	6.49	***
Alkaline phosphatasea	2	3.36	0.95	NS	3	12.29	3.46	*	6	4.72	1.33	NS
SRLb	2	8501.32	61.51	***	3	230.77	1.67	NS	6	521.40	3.77	**
Mn concentrationc	2	6458.09	35.59	***	3	941.69	5.19	**	6	481.86	2.66	*
Carboxylatesd	2	9480.40	7.05	**	3	651.67	0.49	NS	5	912.58	0.69	NS
pHe	2	0.02	4.90	*	3	0.00	0.43	NS	6	0.00	1.13	NS
AMFf	2	7.79	23.05	***	3	0.86	2.56	NS	6	0.96	2.83	*

Control soil samples were not included in the analysis. *p < 0.05, **p < 0.01, ***p < 0.001.

^aActivity of the enzyme in the rhizosphere soil.

^bSpecific root length.

^cShoot Mn concentration.

^dSum of ^citrate, fumarate, malate, maleate, malonate exuded by roots the day of harvest.

^epH in the rhizosphere soil.

^fInt^ensity of root colonization by arbuscular mycorrhizal fungi.