Figure 3 indicates that the average annual changes in the SOCD in the surface soil of the karst plateau showed an increasing trend in the southern, central and northern Sancha River and the surrounding Yelang Lake areas and showed a decreasing trend in most of the western, southern, small portions of central and northern areas of the county.
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Soil Organic Carbon Dynamics and Driving Factors in Typical Cultivated Land on the Karst Plateau.
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