10
11
12
8
9
6
7
4
5
1
2
3
Supporting Information
Zhichao Wang, Jennifer B. Dunn*, Jeongwoo Han, Michael Q. Wang
Systems Assessment Section, Energy Systems Division, Argonne National Laboratory
9700 South Cass Avenue, Argonne, IL 60439, United States
*Corresponding author. Email: jdunn@anl.gov
; Tel: 1-630-252-4667.

1
*Corresponding author. Email: jdunn@anl.gov
; Tel: 1-630-252-4667.

Table S1. Data sources for carbon content of biochar obtained from different feedstocks at different temperatures as shown in Figure 2.
Feedstock Carbon content of biochar (%) Data source
Wood
Corn stover
Bagasse
70
72
70-80
69
73
62-83
84
78
68-72
87
58-85
60-70
48-57
74
57
25-66
62-82
60-71
63
45-63
74-76
56-72
87
65-74
71
78
75
61
77
73
76
78
68-75
85
72
73
73
66-85
86
18
29
30
31
25
26
27
28
18
19
20
21
22
23
24
32
33
34
35
36
37
38
12
13
14
15
16
17
8
9
10
11
1
2
3
4
5
6
7
Other grasses
53-64
68
38
39
S1

83
66-84
86
55-84
52
40
41
42
43
44
Table S2. Literature values for biochar influence on soil N
2
O and CH
4
emissions. A negative value indicates an emissions increase.
Parameter
N
2
O emissions
CH
4 emissions
Value (%)
0-51
41-84
36-66
31-61
-7-53
51-77
50-70
34-54
96
-5-53
-57-(-46)
51-91 n.s.
-400-358
-7
-153-3
10
29
32
40
45
50
51
52
47
48
49
50
Data source
20
25
45
46 n.s.- not significant.
S2

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