Research Article

Spatial Distribution and Evolution of pH as a Function of Cation Exchange Capacity, Sum of Exchangeable Bases, and Organic Matter and Aluminum in the Soils of Foumban

Figure 4

Regression lines of pH-water versus CEC, SBE, OM, and Al3+; (a) pH-water-CEC correlation; (b) pH-water-SBE correlation; (c) pH-water-OM correlation; (d) pH-water-Al3+ correlation.
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