Table 3 Effect of biological control agents on repairing the diseased soil.

From: Effects of different straw biochar combined with microbial inoculants on soil environment in pot experiment

Treatment

A

B

C

CK

pH value

5.42 ± 0.05 c

5.53 ± 0.03 b

5.77 ± 0.08 a

5.19 ± 0.06 d

OM (g kg-1)

17.21 ± 0.45 c

19.56 ± 0.47 b

24.90 ± 0.55 a

16.02 ± 0.60 d

TN (g·kg-1)

1.42 ± 0.06 b

1.33 ± 0.08 c

1.69 ± 0.06 a

1.27 ± 0.05 d

AN (mg kg-1)

136.33 ± 9.05 c

132.95 ± 7.48 b

156.20 ± 8.36 a

123.28 ± 7.95 d

AP (mg kg-1)

24.38 ± 0.46 b

22.18 ± 0.35 c

25.98 ± 0.41 a

22.32 ± 0.52 c

AK (mg kg-1)

160.65 ± 4.83 c

163.87 ± 6.32 b

172.90 ± 5.69 a

158.48 ± 6.56 d

URE (mg/g·d-1)

25.78 ± 0.49 b

24.12 ± 0.54 bc

30.21 ± 0.56 a

19.78 ± 0.75 d

CAT (g/mL)

1.63 ± 0.04 b

1.57 ± 0.06 c

1.73 ± 0.03 a

1.48 ± 0.05 d

INV (mg/g·d-1)

18.12 ± 0.63 b

16.42 ± 0.66 c

22.03 ± 0.45 a

15.32 ± 0.37 d

NPH (mg/g·d-1)

0.42 ± 0.03 ab

0.41 ± 0.02 ab

0.45 ± 0.03 a

0.39 ± 0.04 b

  1. A treatment is wheat straw biochar preparation of microbial inocula; B treatment is preparation of microbial inocula by rice straw biochar; C treatment is corn stalk biochar preparation of microbial inocula; CK treatment is do not add any substance as blank control.
  2. OM organic matter, TN total nitrogen, AN available nitrogen, AP available phosphorus, AK available potassium, URE urease activity, CAT catalase activity, INV invertase activity, NPH neutral phosphatase activity.
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