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Chemical and Biological Technologies in Agriculture

Table 3 Kinetic parameters of soil carbon mineralization in biochar-treated soils

From: Effects of bagasse biochar application on soil organic carbon fixation in manganese-contaminated sugarcane fields

Different Treatments

Fitting Parameters

C0/µg·g−1

k/d−1

R2

0%ZSB

1140.45 ± 48.48

0.069 ± 0.009

0.95

0.5%ZSB

758.529 ± 26.68

0.076 ± 0.010

0.95

2% ZSB

627.780 ± 20.03

0.099 ± 0.012

0.96

5% ZSB

481.268 ± 16.32

0.135 ± 0.019

0.94

0%MSB

740.359 ± 24.49

0.089 ± 0.010

0.95

0.5% MSB

634.238 ± 15.97

0.101 ± 0.010

0.97

2% MSB

557.396 ± 12.47

0.093 ± 0.007

0.97

5%MSB

486.594 ± 9.368

0.091 ± 0.006

0.98

  1. ZSB indicates biochar applied to the uncontaminated sugarcane field soil, MSB indicates biochar applied to the manganese-contaminated sugarcane soil, C0 represents the soil carbon mineralization potential, and k represents the soil carbon mineralization rate constant.
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