Determination of Biological Nitrogen Fixation Induced N<sub>2</sub>O Emission from Arable Soil by Using a Closed Chamber
Technique

<table>Temporal dynamics of N<sub>2</sub>O flux (<i>μ</i>g kg<sup>−1</sup> hr<sup>−1</sup>), soil pH, DOC (mg L<sup>−1</sup>), and <svg height="15.8375" id="M12" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 39.275002 15.8375" width="39.275002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,25.275,15.637)"><path d="M285 378v-2q65 -13 102 -54.5t37 -97.5q0 -57 -30.5 -104.5t-74 -75t-85.5 -42t-72 -14.5q-31 0 -59.5 11t-40.5 23q-19 18 -16 36q1 16 23 33q13 10 24 0q58 -51 124 -51q55 0 88 40t33 112q0 64 -39 96.5t-88 32.5q-29 0 -64 -11l-6 29q77 25 118 57.5t41 84.5
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</svg>-N (mg kg<sup>−1</sup>) in the control treatment. Different lower case letters indicate a statistically significant difference at <i>α</i> = 0.05.<svg height="13.75" id="M13" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.5625 13.75" width="10.5625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.012,-0,0,-.012,2.9,5.525)"><path d="M471 153q-22 -15 -61 -13q-25 31 -45.5 49.5t-56.5 41.5q4 -71 28 -134q-17 -33 -42 -46q-24 12 -42 46q24 63 28 134q-36 -23 -56.5 -41.5t-45.5 -49.5q-36 -2 -61 13q0 28 19 59q65 10 130 43q-65 33 -130 43q-19 31 -19 59q22 15 61 13q25 -31 45.5 -49.5t56.5 -41.5
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</svg>Symbol indicates the application of mineral N fertilizer. Means of 3 replicates with standard error.</table>

Applied and Environmental Soil Science

fig3

Figure 3

Figure 3: Determination of Biological Nitrogen Fixation Induced N<sub>2</sub>O Emission from Arable Soil by Using a Closed Chamber
Technique 

Applied and Environmental Soil Science

Determination of Biological Nitrogen Fixation Induced N2O Emission from Arable Soil by Using a Closed Chamber Technique

Figure 3

Determination of Biological Nitrogen Fixation Induced N₂O Emission from Arable Soil by Using a Closed Chamber Technique