Table 2.

Correlations between continuous cropping, soil properties and the species composition of bacteria and fungi

Variables	Bacteria		Fungi
	Mantel R	P	Mantel R	P
SPC1	0.56	P < 0.001	0.54	P < 0.001
SPC2	0.49	P < 0.001	0.45	P < 0.001
SSC	0.56	P < 0.01	0.36	P < 0.01
pH	0.55	P < 0.01	0.54	P < 0.01
SM	0.75	P < 0.01	0.36	P < 0.01
Crop	0.57	P < 0.01	0.51	P < 0.01

SPC1 and SPC2, the first two soil principal components; SM soil moisture content, Crop continuous cropping years