Application of Temperature Modulation-SDP on MOS Gas Sensors: Capturing Soil Gaseous Profile for Discrimination of Soil under Different Nutrient Addition

Figure 9

PCA map for replicates of soil gaseous pattern projection for each soil sample in distinguishing three doses of compost addition (a) on sandy loam soil, (b) on sand soil, and (c) irrespective of soil type.

(a)

(b)

(c)