Fig. 2. Effect of manure and moisture level (g H2O g1 dry feedlot soil mixture [FSM]) on hourly consumption of O2 and emission of CO2, N2O, and CH4. The standard errors of the least squares mean (n = 3) for O2, CO2, N2O, and CH4 are 0.52, 0.17, 4.6, and 0.56, respectively.