Table 6

Pearson correlation coefficients of soil parameters with first two NMDS ordination axes in three seasons
Variable Spring Summer Autumn
Axis 1 Axis 2 Axis 1 Axis 2 Axis 1 Axis 2
SOM 0.467** 0.115 0.552** 0.145 0.549** 0.287*
TN 0.514** 0.169 0.591** 0.153 0.579** 0.217
TP -0.008 -0.043 0.044 0.010 -0.068 0.003
TK 0.280** 0.227* 0.349** 0.279* 0.416** -0.022
AN 0.324** 0.146 0.448** 0.248* 0.406** 0.095
pH -0.331** -0.225* -0.529** -0.250* -0.442** -0.107
EC 0.503** 0.222* 0.553** 0.311** 0.557** 0.037
IBL 0.550** 0.070 0.688** 0.077 0.692** 0.109
Variation explained 42.8% 29.7% 53.8% 22.8% 55.1% 16.2%

*indicates significant correlation (P < 0.05); **indicates greatly significant correlation (P < 0.01); n = 77.

Tao et al.

Tao et al. Botanical Studies 2013 54:59   doi:10.1186/1999-3110-54-59

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