Table 2.

Spearman's rank correlation coefficient (ρ) among nematode population densities and other soil variables^*.

	Pratylenchus goodeyi	Predatory nematodes	Helicotylenchus spp.	Free living	pH	Sand (%)	Silt (%)	Clay (%)
Pratylenchus goodeyi		0.59213	0.00116	0.14411	0.55280	0.00031	0.00735	0.00026
Predatory nematodes	−0.08973		0.10610	0.93726	0.30108	0.24468	0.73659	0.00932
Helicotylenchus spp.	0.50705	−0.26628		0.02984	0.18466	0.00000	0.00364	0.00001
Free living	0.24150	0.01321	0.35276		0.34169	0.00077	0.00059	0.08825
pH	−0.09937	−0.17225	0.21990	0.15856		0.47186	0.97493	0.39637
Sand (%)	–0.55431	0.19339	–0.67035	–0.52229	−0.12030		0.00000	0.00000
Loam (%)	0.42803	–0.05641	0.46034	0.53208	−0.00527	–0.87657		0.00055
Clay (%)	0.55959	–0.41634	0.66588	0.28033	0.14162	–0.81552	0.53408

^*All samples (n = 37). Upper matrix shows p levels (italics, significant values at p < 0.05 are shown in bold). Lower matrix shows ρ values (significant coefficients are shown in bold).