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a significant linear relationship between the denitrification rate and organic carbon are 5-
15-100-6, 5-25-60-280, 5-25-75-142, 5-25-75-280, 5-25-90-142 and 5-25-90-280 (Figure
2.60 - Figure 2.65).
Rdn (kgN ha-1 d-1)
Texture 5 Temperature 15 WFP 100 Nitrate Concentration 6 : Denitrification Rate Vs. Organic Carbon.
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.2
S 0.103309
R-Sq 98.4%
0.3
Rdn (kgN ha-1 d-1) = - 0.3768 + 1.984 OC (%)
0.4
0.5
OC (%)
Figure 2.60 5-15-100-6; Denitrification Rate Vs. Organic Carbon.
Rdn (kgN ha-1 d-1)
Texture 5 Temperature 25 WFP 60 Nitrate Concentration 280 : Denitrification Rate Vs. Organic Carbon
2.5
2.0
1.5
1.0
0.5
0.0
2.10
S 0.0028577
R-Sq 100.0%
2.12
76
0.6
Rdn (kgN ha-1 d-1) = - 54.61 + 26.01 OC (%)
2.14 2.16
OC (%)
Figure 2.61 5-25-60-280; Denitrification Rate Vs. Organic Carbon.
0.7
2.18
0.8
2.20