Author Contributions
Conceptualization, J.Q.; formal analysis, H.Y.; investigation, J.Q., D.W. and Z.D.; methodology, D.W. and Z.D.; supervision, J.D. and X.B.; writing—original draft, J.Q.; writing—review & editing, J.D. and X.B. All authors have read and agreed to the published version of the manuscript.
Figure 1.
Schematics diagram of microwave assisted auger moving bed.
Figure 1.
Schematics diagram of microwave assisted auger moving bed.
Figure 2.
Yield of biochar at different temperatures and mix ratios (0, 15%, and 30% cotton stalk).
Figure 2.
Yield of biochar at different temperatures and mix ratios (0, 15%, and 30% cotton stalk).
Figure 3.
FTIR spectra of biochar sample (a) SC, (b) 85SC, and (c) 70SC.
Figure 3.
FTIR spectra of biochar sample (a) SC, (b) 85SC, and (c) 70SC.
Figure 4.
XRD spectra for biochar sample (a) SC, (b) 85SC, and (c) 70SC.
Figure 4.
XRD spectra for biochar sample (a) SC, (b) 85SC, and (c) 70SC.
Figure 5.
(a–d) Growth rates of plants in soil with different biochar application ratios.
Figure 5.
(a–d) Growth rates of plants in soil with different biochar application ratios.
Figure 6.
(a–d) Total nitrogen content of soil samples without (blank) and with (1%, 3%, and 5%) SC biochar addition.
Figure 6.
(a–d) Total nitrogen content of soil samples without (blank) and with (1%, 3%, and 5%) SC biochar addition.
Figure 7.
(a–d) Total nitrogen content of soil samples without (blank) and with (1%, 3%, and 5%) 85SC biochar addition.
Figure 7.
(a–d) Total nitrogen content of soil samples without (blank) and with (1%, 3%, and 5%) 85SC biochar addition.
Figure 8.
(a–d) Total nitrogen content of soil samples without (blank) and with (1%, 3%, and 5%) 70SC biochar addition.
Figure 8.
(a–d) Total nitrogen content of soil samples without (blank) and with (1%, 3%, and 5%) 70SC biochar addition.
Figure 9.
(a–d) Available nitrogen content of soil samples blended with different fractions of biochar SC (0, 1%, 3%, and 5%wt).
Figure 9.
(a–d) Available nitrogen content of soil samples blended with different fractions of biochar SC (0, 1%, 3%, and 5%wt).
Figure 10.
(a–d) Available nitrogen content of soil samples blended with different fractions of biochar 85SC (0, …
