Table 1 Soil chemical properties collected in October, 2006
From: Microbial activities in soil cultivated with corn and amended with sewage sludge
Treatments | \( \begin{array}{*{20}l} {{\text{pH}}_{{ ( {\text{H}}_{ 2} {\text{O)}}}} } \hfill \\ \end{array} \) | P (mg kg−1) | K (mmolckg−1) | Corg (%) | Ntot (%) | C/N | Cr (mg kg−1) | Ni (mg kg−1) | Zn (mg kg−1) | Cu (mg kg−1) |
|---|---|---|---|---|---|---|---|---|---|---|
MF | 5.83 ab | 11.50 d | 4.90 a | 2.84Â cd | 0.17 b | 15.57 a | 21.30 e | 0.60 d | 4.60 c | 6.77 c |
1FS | 6.00 a | 15.30 d | 3.60 ab | 2.71 d | 0.18 b | 15.61 a | 24.37 d | 1.30 c | 1.00 d | 5.07 d |
2FS | 5.80 ab | 50.50 c | 2.40 bc | 2.94 c | 0.19 b | 14.63 a | 27.13 c | 2.20 b | 5.80 c | 7.67 c |
4FS | 5.80 ab | 65.80 b | 2.10 c | 3.15 b | 0.22 ab | 14.82 a | 32.50 b | 2.80 a | 14.90 b | 9.70 b |
8FS | 5.67 b | 179.50 a | 2.50 bc | 3.82 a | 0.26 a | 17.80 a | 34.07 a | 3.30 a | 28.30 a | 11.43 a |