Table 3

Pearson’s correlation (r) matrix for soil pH, nutrients and actinomycetes population
Properties Year Crop Stages pH Organic C K2O S Zn Fe Mn Mineral- N Actinomycetes population
Year 1
Crop 0.00 1
Stages 0.00 0.00 1
pH -0.01 0.25 0.64** 1
Organic C 0.58 0.24 0.52** 0.71** 1
K2O -0.21 0.21 0.02 0.62** 0.32 1
S -0.09 0.13 0.09 0.11 0.30 0.09 1
Zn -0.02 0.34 0.37 0.66** 0.93** 0.45** 0.40 1
Fe -0.98 0.24 0.35 0.52* 0.73** 0.11 0.25 0.67 1
Mn -0.00 0.14 0.54* 0.79** 0.71** 0.15 0.37 0.63** 0.81** 1
Mineral-N -0.00 -0.03 0.30 0.81** 0.92** 0.27 0.24 0.85** 0.74** 0.81** 1
Actinomycetes population -0.06 0.11 0.82 0.54** 0.82** 0.45** 0.04 0.84** 0.64** 0.56** 0.85** 1

** Correlation is significant at the 0.01 level (n = 20); * Correlation is significant at the 0.05 level (n = 20).

Singh et al.

Singh et al. BMC Microbiology 2013 13:122   doi:10.1186/1471-2180-13-122

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