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Temperature, WFP and pH and then look at the relationship between organic carbon and
the denitrification rate. A second subset is based on Texture, Temperature, WFP and
Nitrate Concentration.
2.2. Break down of data
In order to improve upon the accuracy of the results the dataset is divided into textural
classes based on the USDA scheme of classification (Figure 2.3). This seemed to be the
logical choice to improve the results while still maintaining the goal of predicting the
denitrification rate of a given area using easily available parameters. There are a total of
13 available classes as listed in Table 2.1. Of these textural classes, data is unavailable for
silt and sandy clay. Information for peat (Texture 13) is treated separately.
Figure 2.3 USDA Soil Textural Classification scheme
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