Soil priming effects following biochar incorporation - International ...
Soil priming effects following biochar incorporation - International ...
Soil priming effects following biochar incorporation - International ...
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The absolute <strong>priming</strong> effect (or primed soil CO 2 -C) with the addition of <strong>biochar</strong> was<br />
calculated from:<br />
Primed soil CO 2 -C (µg C g -1 soil) = CO 2 -C treatment - CO 2 -C control , Eqn. 4<br />
where CO 2 -C treatment is the non-isotopically labelled CO 2 -C evolved from <strong>biochar</strong><br />
amended soil, CO 2 -C control is non-isotopically labelled CO 2 -C evolved from control.<br />
The <strong>priming</strong> effect of soil organic C, expressed as the % increase compared to CO 2 -<br />
C evolved from the control was calculated from:<br />
Priming effect (%) = 100 × (CO 2 -C treatment - CO 2 -C control ) / CO 2 -C control Eqn. 5
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