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Table 4 Correlation coefficient with some of the parameters of soil and plant during the crop growth period where values marked with* indicate significant difference at a significance level of 5% and with** indicate that at a significance level of 1%

From: An application of blended amendments in monsoon rice field

Parameter Parameter Pearson correlation coefficient
pH Redox potential − 0.945**
pH Electrical conductance 0.631**
Redox potential Electrical conductance − 0.707**
Soil organic matter Electrical conductance − 0.381*
Root length Soil organic matter − 0.437*
Root length Redox potential − 0.499**
Soil porosity Water-holding capacity 0.545*
Methane emission Water-holding capacity 0.456