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Chemical and Biological Technologies in Agriculture

Table 2 Soil diazotrophic diversity indexes for biochar-amended soil

From: Soil factors that contribute to the abundance and structure of the diazotrophic community and soybean growth, yield, and quality under biochar amendment

Treatment

Chao1

Shannon

Simpson

Coverage/%

B27

637.36 ± 148.45b

4.70 ± 0.92c

0.81 ± 0.21b

99.58b

B18

394.50 ± 91.92c

4.60 ± 0.71c

0.82 ± 0.19b

99.82a

B9

407.30 ± 151.33c

5.69 ± 0.68b

0.95 ± 0.01a

99.81a

B0

1051.92 ± 191.03a

6.67 ± 0.99a

0.96 ± 0.02a

99.42c

  1. B27, 45 t hm−2 biochar addition; B18, 30 t hm−2 biochar addition; B9, 15 t hm−2 biochar addition, B0, no biochar. The values represent average ± standard deviation. Different lowercase letters within columns indicate significant (p < .05) differences among treatments
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