As shown in Table 1, eight parameters (SOM concentration,
storage and distribution, N distribution and P distribution, C:P;
C:K and K:P) showed significant interactions between stand age
and soil depth. To examine what types of patterns existed for different
soil parameters, and how much they differed, estimated
marginal means and pairwise comparisons among different age
groups were performed as shown in Fig. 1.
As shown in Table 1, eight parameters (SOM concentration,storage and distribution, N distribution and P distribution, C:P;C:K and K:P) showed significant interactions between stand ageand soil depth. To examine what types of patterns existed for differentsoil parameters, and how much they differed, estimatedmarginal means and pairwise comparisons among different agegroups were performed as shown in Fig. 1.
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