Chemical properties | PCS-BC extract | WB-BC extract | CF-PCS | CF-WB |
---|---|---|---|---|
pH | 8.9 ± 0.15 | 10.3 ± 0.05 | 8.9 | 10.3 |
Electrical conductivity (mS cm2) | 0.06 ± 0.005 | 2.07 ± 0.24 | – | – |
Zn (mg l−1) | 0.12 ± 0.06 | 0.25 ± 0.11 | 0.12 | 0.25 |
Fe (mg l−1) | 1.31 ± 0.27 | 1.96 ± 0.25 | 1.31 | 1.96 |
Cu (mg l−1) | 0.13 ± 0.007 | 0.15 ± 0.01 | 0.13 | 0.15 |
Ca (mg l−1) | 2.8 ± 0.11 | 1.8 ± 0.04 | 2.80 | 1.8 |
Mg (mg l−1) | 2.11 ± 0.44 | 1.73 ± 0.49 | 2.11 | 1.73 |
Na (mg l−1) | 8 ± 0 | 347 ± 10.7 | 8.0 | 347 |
Cl (mg l−1) | 15 ± 2.8 | 132 ± 1.7 | 1.5 | 1.1 |
K (mg l−1) | 13.3 ± 1.3 | 522 ± 19.2 | – | – |
P (mg l−1) | 0.58 ± 0.09 | 12.4 ± 0.66 | – | – |
Total N (mg l−1) | 0.62 ± 0.12 | 1.1 ± 0.03 | – | – |
Inorganic C (mg l−1) | 9.72 ± 0.1 | 65 ± 2.3 | – | – |
Dissolved organic C (mg l−1) | 62.5 | 675 | – | – |
Hydrophobic organic carbon (mg l−1) | 37.5 | 225 | – | – |
Chromatographable organic C (mg l−1) | 25 | 450 | – | – |
Bio-polymers (mg l−1) | 1.25 | 25 | – | – |
Humics (mg l−1) | 3.75 | 200 | – | – |
Building blocks (mg l−1) | 2.5 | 175 | – | – |
Low molecular weight neutrals (mg l−1) | 11.25 | 50 | – | – |