Figure 6

Correlation of soil physical parameters in the Yellow River and Haihe River basins. **Indicates correlation is significant at the 0.01 level; *Indicates correlation is significant at the 0.05 level.

Correlation of soil physical parameters in the Yellow River and Haihe River basins. **Indicates correlation is significant at the 0.01 level; *Indicates correlation is significant at the 0.05 level.