From: The importance of accounting method and sampling depth to estimate changes in soil carbon stocks
Experiment | Treatment | ESM depth (cm) | ESM 50% LCLa (t CO2e ha−1) | FD 50% LCLa (t CO2e ha−1) | Number of credits for 50 ha field over 20 year crediting period using ESM | Number of credits for 50 ha field over 20 year crediting period using FD |
---|---|---|---|---|---|---|
Century Maize | CMT | 0–15 | −0.16 | −16.59 | 0 | 0 |
CMT | 15–30 | −2.53 | −10.26 | 0 | 0 | |
CMT | 30–60 | −12.68 | −15.26 | 0 | 0 | |
CMT + WCC | 0–15 | 13.37 | −3.07 | 668 | 0 | |
CMT + WCC | 15–30 | 2.11 | −8.98 | 105 | 0 | |
CMT + WCC | 30–60 | −20.34 | −25.60 | 0 | 0 | |
OMT | 0–15 | 33.74 | 13.03 | 1687 | 651 | |
OMT | 15–30 | 13.56 | 3.70 | 678 | 185 | |
OMT | 30–60 | 0.41 | 8.42 | 21 | 421 | |
Century Wheat | IW | 0–15 | 1.59 | −7.09 | 80 | 0 |
IW | 15–30 | −3.00 | −9.78 | 0 | 0 | |
IW | 30–60 | −2.71 | 1.62 | 0 | 81 | |
IW + N | 0–15 | 2.60 | −9.73 | 130 | 0 | |
IW + N | 15–30 | −1.88 | −4.30 | 0 | 0 | |
IW + N | 30–60 | −6.09 | 2.81 | 0 | 141 | |
RW | 0–15 | −7.02 | −20.48 | 0 | 0 | |
RW | 15–30 | −4.16 | −5.57 | 0 | 0 | |
RW | 30–60 | −8.10 | −0.21 | 0 | 0 | |
RW + N | 0–15 | 0.36 | −15.26 | 18 | 0 | |
RW + N | 15–30 | −3.79 | −1.90 | 0 | 0 | |
RW + N | 30–60 | −2.78 | 5.64 | 0 | 282 | |
RW + WCC | 0–15 | 1.13 | −14.38 | 56 | 0 | |
RW + WCC | 15–30 | −1.21 | −3.53 | 0 | 0 | |
RW + WCC | 30–60 | −14.08 | −5.40 | 0 | 0 | |
WICST | Maize | 0–15 | −49.19 | −39.73 | 0 | 0 |
Maize | 15–30 | −50.56 | −48.77 | 0 | 0 | |
Maize | 30–60 | −59.55 | −66.60 | 0 | 0 | |
MS | 0–15 | −16.97 | 11.03 | 0 | 551 | |
MS | 15–30 | −32.17 | −32.20 | 0 | 0 | |
MS | 30–60 | −17.74 | −37.10 | 0 | 0 | |
MSW | 0–15 | −28.51 | −14.50 | 0 | 0 | |
MSW | 15–30 | −31.26 | −30.01 | 0 | 0 | |
MSW | 30–60 | −32.08 | −42.12 | 0 | 0 | |
MAAA | 0–15 | −8.63 | −2.57 | 0 | 0 | |
MAAA | 15–30 | −31.66 | −34.30 | 0 | 0 | |
MAAA | 30–60 | −27.31 | −30.00 | 0 | 0 | |
MOA | 0–15 | −9.32 | 0.12 | 0 | 6 | |
MOA | 15–30 | −21.53 | −27.29 | 0 | 0 | |
MOA | 30–60 | −26.26 | −28.80 | 0 | 0 |