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THE FLORIDA STATE UNIVERSITY ARTS AND SCIENCES ...

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R_d_n (kgN ha-1 d-1)<br />

0.06<br />

0.05<br />

0.04<br />

0.03<br />

0.02<br />

0.01<br />

0.00<br />

40<br />

Texture 3 Temperature 18: Denitrification Rate Vs. WFP<br />

R_d_n (kgN ha-1 d-1) = - 0.04703 + 0.001393 WFP (%)<br />

S 0.0180075<br />

R-Sq 73.4%<br />

45<br />

50<br />

55 60<br />

WFP (%)<br />

Figure 2.18 3-18; Denitrification Rate Vs. Water Filled Porosity.<br />

2.4.4. Texture 4 (Loamy Sand)<br />

Of the four records, three have a temperature of 25 ºC. The Linear relations were strong<br />

and significant for Rdn Vs. OC and Nitrate concentration (Figure 2.19 and Figure 2.20).<br />

R_d_n (kgN ha-1 d-1)<br />

Texture 4 Temperature 25: Denitrification Rate Vs.Organic Carbon<br />

7<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

S 1.41497<br />

R-Sq 89.4%<br />

1.0<br />

1.5<br />

2.0<br />

2.5<br />

OC (%)<br />

49<br />

3.0<br />

65<br />

R_d_n (kgN ha-1 d-1) = - 0.861 + 1.881 OC (%)<br />

Figure 2.19 4-25; Denitrification Rate Vs. Organic Carbon.<br />

3.5<br />

70<br />

4.0<br />

75

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