Table 3.
Pearson correlation coefficients between the initial chemical properties of litter and the indicators of soil biological properties.
| Pearson Correlation Coefficients | The Initial Chemical Properties of Litter | |||||
|---|---|---|---|---|---|---|
| TC | TN | Lignin | Cellulose | Lignin/N | C/N | |
| ΔMBC (%) | 0.924 | 0.949 | −0.561 | −0.995 | −0.950 | −0.964 |
| ΔMBN (%) | 0.923 | 0.965 | −0.560 | −0.995 | −0.961 | −0.948 |
| ΔSoil invertase (%) | −0.999 ** | −0.745 | 0.844 | 0.951 | 0.996 ** | 0.742 |
| ΔSoil urease (%) | −0.964 | −0.555 | 0.952 | 0.843 | 0.940 | 0.550 |
| ΔNitrate reductase (%) | 0.999 ** | 0.748 | −0.842 | −0.952 | −0.997 ** | −0.744 |
Note: ** correlation is significant at the 0.01 level, TC: total carbon, TN: total nitrogen, MBC: microbial biomass carbon, MBN: microbial biomass nitrogen.