Fig. 2 | Scientific Reports

Fig. 2

From: Microbial responses under sunlight-dark conditions accelerate sequestration and transformation of soil biogenic, redox and non-redox components, including As and Hg

Fig. 2

Photoinduced (sunlight) and microbial (dark and control at constant temperature) changes of soil total nitrogen (STN, A); stable isotope of soil total nitrogen (δ15NSTN, B); dissolved organic nitrogen in labile state (LS) (DONLS, C); DON in complexed state (CS) (DONCS, D); NO3−-N in LS (NO3−-NLS, E); NO3−-N in CS (NO3−-NCS, F); NH4+-N in LS (NH4+-NLS, G); and NH4+-N in CS (NH4+-NCS, H) in extracts from soils subjected to sunlight, dark and control conditions measured at time 0 (original soil) and after 30, 75 and 150 consecutive experimental days. Error bars indicate the standard deviation among three replicates. The average values labeled with different letters (a, b, ab, c, d) at various time period (0, 30, 75, and 150 days) indicate significant differences (p < 0.05) among the three treated samples (sunlight, dark, and control at constant temperature), as determined by a one-way ANOVA.

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