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Table 7 Pearson correlation matrix for soil physiochemical properties (0–20 cm)

From: Soil organic carbon variation in relation to land use changes: the case of Birr watershed, upper Blue Nile River Basin, Ethiopia

  Sand Silt Clay Moisture content Bulk density pH SOC concentration
Sand 1       
Silt − 0.49* 1      
Clay − 0.87** 0.01 1     
Moisture Content 0.18 − 0.72** 0.19 1    
Bulk Density − 0.39 0.45 − 0.19 − 0.34** 1   
pH − 0.13 0.32 − 0.04 −0.12 − 0.04 1  
SOC concentration − 0.10 − 0.26** 0.03 1
SOC Stock 0.32 −0.05 − 0.39 − 0.20* − 0.03 0.02 0.96**
  1. * and ** correlation is significant at p = 0.05 and p = 0.01, respectively