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. 2017 Jun 2;7:2690. doi: 10.1038/s41598-017-03045-9

Figure 1.

Figure 1

Effect of bamboo biochar amendments on soil pH and EC in Feng county and Tongguan soil. The data represent the mean of three replicates, and the error bars are standard deviations. Means with different letters are significantly different (p < 0.05). (T1 = Control, T2 = 1.0% BB, T3 = 2.5% BB, T4 = 5.0% BB).