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2.3.10. Texture 10 (Silty Clay Loam)
This subset is made up of 71 records of data with one missing nitrate concentration value
and one missing water filled porosity value. This subset showed no improvement in linear
relationships.
2.3.11. Texture 11 (Silt)
No Data available
2.3.12. Texture 12 (Sandy clay)
No Data available
2.3.13. Texture 13 (Peat)
The peat dataset is made up of 16 values with seven missing nitrate concentration values
and 2 missing thickness values. The relationship between the denitrification rate and
organic carbon is especially strong. This does confrom to what is expected. The values of
the seven variables for all fields differ; this perhaps indicates that in high organic carbon
environments it is indeed the organic carbon that controls the rate of denitrification.
Rdn (kgN ha-1 d-1)
35
30
25
20
15
10
5
0
20
Texture 13 : Denitrification Rate Vs. Organic Carbon.
Rdn (kgN ha-1 d-1) = - 17.88 + 0.6848 OC (%)
S 3.85952
R-Sq 88.1%
30
40
OC (%)
Figure 2.7 Peat: Denitrification rate Vs. Organic Carbon.
40
50
60
70