Treatment OM (%) EC (ds/cm) pH 1:1 Available S  (ppm) Available P (ppm) Solable cations (meq/100g soil) Ca+2+Mg+2 Na+ K+ -FMC -S 1.17 6.3 7.72 333 56.68 6.13 1.5 0.034 +S 1.26 11.22 7.6 637 72.18 19.31 1.92 0.04 +FMC - S 2.11 9.69 7.71 529 94.33 13.41 1.66 0.043 +S 2.07 13.63 7.55 876 97.38 25.71 1.72 0.053 LSD 1% NS 0.56 0.03 37 4.07 NS 0.14 NS -FMC Unino 1.16 8.63 7.66 398 58.74 12.54 1.63 0.037 Ino 1.27 8.89 7.66 572 70.11 12.9 1.79 0.038 +FMC Unino 2.01 11.42 7.67 662 85.78 19.47 1.64 0.045 Ino 2.16 11.89 7.59 742 105.93 19.65 1.75 0.051 LSD 1% NS 0.26 0.04 25 3.26 NS NS NS -S Unino 1.57 7.9 7.74 361 66.33 9.56 1.48 0.039 Ino 1.67 8.09 7.69 501 84.68 9.98 1.68 0.039 +S Unino 1.6 12.15 7.59 700 78.2 22.45 1.78 0.043 Ino 1.76 12.69 7.56 813 91.36 22.57 1.86 0.049 LSD 1% NS NS NS NS 3.26 NS NS NS

Table 6: The interaction effects of application of FMC, elemental sulfur, and inoculation with SOB on some properties of clay soil. FMC=filter mud cake, S=granuled elemental sulfur, Ino=inoculation with sulfur-oxidizing bacteria (SOB), EC=ds/m at 25°C 1:1 soil extract, pH=1:1 soil suspension.