With increasing planting density, the concentrations of SOC, TN and NH 4 + in bulk soils exhibited a logarithmic increasing trend, while the NO 3 – concentration showed a decreasing trend across all functional groups, although these patterns were not all statistically significant ( Supplementary Figures S3A, C, I, K ).
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Plant functional group has stronger effects on soil functions than planting density: an examination with pot experiment.
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