Table 3 The effect of biochar on the use efficiency of nitrogen (NUE) and sulphur (SUE).

From: Co-application of high temperature biochar with 3,4-dimethylpyrazole-phosphate treated ammonium sulphate improves nitrogen use efficiency in maize

  

NUE (%)

SUE (%)

Chernozem

Cambisol

Chernozem

Cambisol

USAS

1% biochar

− 5.84

3.11

− 0.59

− 0.88

2% biochar

− 2.23

10.9

− 0.63

− 0.87

SAS

1% biochar

0.59

4.48

− 0.69

− 0.97

2% biochar

9.47

13.7

− 0.66

− 1.22

  1. Nutrient use efficiency in percentage calculated per added amount of N and S from fertilizer.
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