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Table 8 Correlation table for some soil properties

From: Chemical forms of phosphorous and physicochemical properties of acid soils of Cheha and Dinsho districts, southern highlands of Ethiopia

  Clay pH exAc exAl OC Mehl 3P Bra P Feox Alox Fed PSC DPS Pox
pH − 0.66*             
exAc 0.51 − 0.90**            
exAl 0.65* − 0.72** 0.79**           
LR 0.81** − 0.88** 0.94** 0.71**          
OC 0.83** 0.88** − 0.94** − 0.79**          
M 3P − 0.82** 0.81** − 0.86** − 0.86** 0.93**         
Bra P − 0.80** 0.81** − 0.84** − 0.54 0.90** 0.96**        
Feox 0.80** − 0.79** 0.81** 0.81** − 0.88** − 0.85** − 0.80**       
Alox 0.83** − 0.85** 0.93** 0.93** − 0.97** − 0.95** − 0.94** 0.86**      
Fed 0.99** − 0.85** 0.92** 0.92** − 0.96** − 0.92** − 0.90** 0.90** 0.97**     
PSC 0.85** − 0.86** 0.92** 0.92** − 0.93** − 0.95** − 0.93** 0.93** 0.98** 0.98**    
DPS − 0.88** 0.73** 0.81** − 0.81** 0.87** 0.91** 0.89** − 0.89** − 0.93** − 0.87** − 0.95**   
Pox − 0.91** 0.75** − 0.82** − 0.82** 0.88** 0.92** 0.88** − 0.88** − 0.94** − 0.88** − 0.95** 0.99**  
CEC − 0.67* 0.66* − 0.78** − 0.78** 0.84** 0.87** 0.77** − 0.87** − 0.83** − 0.91** 0.86** 0.83** 0.86**
  1. LR lime requirements, Mehl 3P Mehlich 3P, Bra P Bray 1 P, Ols P Olsen P, LR lime requirement, exAl exchangeable Al, exAc exchangeable Acidity, OC organic carbon, Alox, Feox, and Pox oxalate extractable Al, Fe, and P, respectively, PSC phosphorous sorption capacity, DPS degree of P saturation, Fed citrate dithionite bicarbonate extractable Fe
  2. *Significant at 0.05 and **Significant at 0.01 probability levels, respectively