,F-value/p-value, Variable,Site,Season Depth ,4.78/0.06,0.39/0.55 T,15.72/0.004*,1.09/0.33 pH,0.39/0.55,0.63/0.45 N2 T,1.18/0.31,0.55/0.48 Pi T,0.01/0.95,0.89/0.37 TOC,0.20/0.67,0.25/0.63 TPH,10.98/0.01*,6.30/0.03*