Table 1.

Daily N2O and CO2 emissions

TreatmentAvg (SE) levela on:
Day 5Day 18Day 89
N2OCO2N2OCO2N2OCO2
S0.067 (0.022) A121 (32) A0.015 (0.005) A75 (16) A0.017 (0.001) A69 (16) A
SM0.063 (0.033) A742 (17) C0.010 (0.005) A504 (15) C0.024 (0.005) A374 (18) C
ST0.077 (0.022) A533 (26) B0.029 (0.002) A332 (16) B0.022 (0.008) A270 (20) B
STR0.106 (0.036) A582 (26) B0.059 (0.012) B332 (17) B0.071 (0.016) B302 (20) B
STC0.059 (0.015) A568 (39) B0.055 (0.012) B303 (13) B0.017 (0.004) A292 (6) B
STRC0.099 (0.017) A597 (26) B0.101 (0.012) C339 (21) B0.050 (0.011) B282 (8) B
  • a N2O units are reported as N2O-N hour−1 kg of soil−1; CO2 levels are reported as μg CO2-C hour−1 kg of soil−1. Significant differences within sampling day are represented by different uppercase letters.