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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 2 Seasonal means of CO2 efflux (μmol m−2 s−1) under no amendment (CK), 1% biochar (B1), 2% biochar (B2) and 1% wheat straw (S1) application

From: Impacts of biochar amendment and straw incorporation on soil heterotrophic respiration and desorption of soil organic carbon

Treatment

Autumn

Winter

Spring

Summer

Total

CK

1.46b

0.32b

1.10b

3.76b

6.64b

B1

1.42b

0.27c

1.05b

3.92b

6.66b

B2

1.38b

0.30b

1.04b

3.54c

6.26c

S1

2.27a

0.52a

1.73a

5.66a

10.18a

S1-CK

0.79

0.20

0.63

1.90

3.52

  1. Values followed by the same letter are not significantly different at P < 0.05
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