Table 2

Soil parameters (means ± standard error) and their Pearson correlation coefficients in three communities (EDC, STC and ASC)
Component SOM (g kg–1) TN (g kg–1) TP (g kg–1) TK (g kg–1) AN (mg kg–1) pH EC (μs cm-1) IBL
Community type (n = 36, 28 and 13 respectively)
EDC 2.01 ± 0.08a 0.14 ± 0.008a 0.29 ± 0.011b 19.23 ± 1.04a 28.4 ± 2.21a 8.21 ± 0.016a 65.4 ± 1.30a 0.68 ± 0.04a
STC 1.77 ± 0.09a 0.14 ± 0.006a 0.35 ± 0.014a 11.09 ± 0.82b 28.5 ± 1.38a 8.18 ± 0.026a 60.3 ± 3.39a 0.54 ± 0.06b
ASC 1.42 ± 0.05b 0.10 ± 0.003b 0.31 ± 0.012ab 6.69 ± 0.53c 15.8 ± 1.19b 8.41 ± 0.044b 42.0 ± 2.65b 0.25 ± 0.08c
Soil parameters (n = 77)
TN 0.820**
TP -0.071 0.095
TK 0.258* 0.108 -0.560**
AN 0.354** 0.389** 0.042 0.153
pH -0.282* -0.295** -0.122 -0.296** -0.188
EC 0.471** 0.449** -0.241* 0.523** 0.390** -0.265*
IBL 0.519** 0.518** -0.127 0.456** 0.263* -0.353** 0.505**

EDC = E. distachya community, STC = S. terrae-albae community, ASC = A. songarica community. Different letters indicate significant (P < 0.05) differences among communities. *indicates significant correlation (P < 0.05); **indicates greatly significant correlation (P < 0.01).

Tao et al.

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

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