Erratum to: J Soils Sediments

DOI 10.1007/s11368-014-0996-z

In the published version of this article, there was an error in Fig. 2.

The following depicts the improved and corrected Fig. 2:

Fig. 2
figure a

Carbohydrate in biochar and peat before and after the incubation of Bacillus mucilaginosus. Statistically significant differences by Tukey’s t test (P ≤ 0.05) are denoted by different lowercase letters. Values are mean (n = 3) ± S.E. (bars). MM-biochar, CS-biochar, and RS-biochar represent mushroom medium-based biochar, corn stalk-based biochar, and rice straw-based biochar, respectively