Figure 2 (IMAGE)

Maximum Academic Press

Figure 2

Caption

Dynamics of (a) soil N2O production rate, and (b) cumulative soil N2O emission, and (c) inorganic nitrogen concentrations after biochar or CaO addition in two studied soils. Error bars indicate the standard deviations of the means (n = 3). Different capital letters indicate significant differences between BC treatments in the same soil (p < 0.05); different lowercase letters indicate significant differences between CaO treatments in the same soil (p < 0.05). * Indicate statistical significance at p < 0.05. BC, Biochar; CaO, lime; US, upland soil; PS, paddy soil.

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