Research Article

Spatial Variations in Concentration, Compositions of Glomalin Related Soil Protein in Poplar Plantations in Northeastern China, and Possible Relations with Soil Physicochemical Properties

Figure 4

Correlations between soil pH and the concentration of functional trait II, V, VI, and relative crystallinity. Note: functional traits of II, V, and VI are the same as those in Figure 1.
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