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Correction: Biochar (2024) 6:21 https://doi.org/10.1007/s42773-024-00309-2
Following publication of the original article (Zhao et al. 2024), it was brought to our attention that the positions of Fig. 1 and Fig. 2 and those of Fig. S1 and Fig. S2 have been incorrectly reversed.
The original Fig. 1 was:
The original Fig. 2 was:
The original Supplementary figure S1 was:
The original Supplementary figure S2 was:
The correct Fig. 1 should read:
The correct Fig. 2 should read:
The correct Supplementary figure S1 should read:
The correct Supplementary figure S2 should read:
The original article (Zhao et al. 2024) has been updated.
Reference
Zhao Z, El-Naggar A, Kau J, Olson C, Tomlinson D, Chang SX (2024) Biochar affects compressive strength of Portland cement composites: a meta-analysis. Biochar 6:21. https://doi.org/10.1007/s42773-024-00309-2
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Zhao, Z., El-Naggar, A., Kau, J. et al. Correction: Biochar affects compressive strength of Portland cement composites: a meta-analysis. Biochar 6, 29 (2024). https://doi.org/10.1007/s42773-024-00326-1
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DOI: https://doi.org/10.1007/s42773-024-00326-1