Variable | % Carbon |
pH | −0.276 |
Chloride mg/kg | 0.126 |
Phosphorus mg/kg | −0.178 |
Magnesium ppm | −0.304 |
Sodium ppm | −0.061 |
Manganese ppm | −0.232 |
Iron ppm | −0.406 |
Potassium ppm | −0.012 |
Calcium ppm | −0.141 |
Aluminium ppm | 0.274 |
Calcium cmol/kg | −0.136 |
Magnesium cmol/kg | −0.302 |
Potassium cmol/kg | −0.012 |
CEC cmol/kg | −0.254 |
% Nitrogen | 0.263 |
% Sand | −0.066 |
% Clay | 0.069 |
% Silt | 0.027 |
% loss of ignition | 0.104 |
% Organic matter | −0.145 |