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Table 1 Effect of the applications of biochar and biofertilizer on soil biochemical properties

From: Application of cotton straw biochar and compound Bacillus biofertilizer decrease the bioavailability of soil cd through impacting soil bacteria

Cd
(mg·kg-1)
Modifiers(%) pH C/N ratio EC
(ms·cm-1)
H0 T 7.44±0.21 b 10.54±0.39 d 2.08±0.02 h
B 8.49±0.24 a 16.93±0.78 bc 2.88±0.02 ef
J 8.42±0.24 a 18.51±0.53 a 2.41±0.02 g
H1 T 7.23±0.20 b 9.60±0.38 d 3.96±0.03 b
B 8.58±0.25 a 16.41±0.62 c 4.91±0.04 a
J 8.57±0.24 a 17.62±0.48 abc 4.96±0.04 a
H2 T 7.97±0.23 ab 10.55±0.36 d 3.36±0.03 c
B 8.63±0.24 a 16.47±0.54 c 4.88±0.04 a
J 8.45±0.24 a 18.66±0.48 a 4.77±0.04 a
H3 T 7.56±0.21 b 9.57±0.33 d 2.68±0.02 gf
B 8.46±0.21 a 16.92±0.51 bc 3.30±0.03 cd
J 8.57±0.24 a 17.98±0.40 ab 3.03±0.05 de
Regression Analysis
H ns ns ns
BJ ns * ns
BJ*H ns * ns
  1. T, no modifiers; B, 3% biochar was applied; J, 1.5% biofertilizer was applied; H0, no Cd; H1, 1 mg·kg−1 of Cd was applied; H2, 2 mg·kg−1 of Cd was applied; H3, 4 mg·kg−1 of Cd was applied. Different lowercase letters in the same column indicate significant differences (P < 0.05). **, P < 0.01; *, 0.01 < P < 0.05; ns, P ≥ 0.05