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Chemical and Biological Technologies in Agriculture

Table 2 The content of macro-elements in the non-activated (NB) and aged (AB) biochar

From: Assessing the potential of biochar aged by humic substances to enhance plant growth and soil biological activity

 

C (%)

N (%)

H (%)

O (%)

C:N

H:C

O:C

NB

48.71 ± 0.83

1.11 ± 0.01

1.55 ± 0.09

17.27 ± 0.17

43.88 ± 0.95

0.032 ± 0.002

0.355 ± 0.007

AB

52.43 ± 0.36**

1.36 ± 0.11*

1.73 ± 0.04

15.80 ± 0.12***

38.55 ± 3.40***

0.033 ± 0.001

0.301 ± 0.003***

  1. Mean values ± standard deviation (SD). Statistical difference at the level: *p < 0.05, **p < 0.01, ***p < 0.001
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