Soil priming effects following biochar incorporation - International ...

Soil priming effects following biochar incorporation - International ... Soil priming effects following biochar incorporation - International ...

biochar.international.org
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21.03.2015 Views

Experimental design • Soil: Hoosfield pH 4 and pH 8 Soil Biochar Treatments pH4 Nil pH4 • Biochar: pH4 Miscanthus BC350 produced at pH4+BC350 and 700 o C pH4 BC700 pH4+BC700 • Biochar rate: 50 g C kg-1soil pH8 Nil pH8 pH8 BC350 pH8+BC350 • Incubation: pH8 90 days BC700 at 40 % Water pH8+BC700 Holding Capacity at 25 °C

soil organic C loss after 90 days 1000 900 800 µg CO 2-C 2 g -1 soil 700 600 500 400 300 ? ? 200 100 ? ? 0 pH 4 pH 4 + biochar 350 pH 4 + biochar 700 pH 8 pH 8 + biochar 350 pH 8 + biochar 700

Experimental design<br />

• <strong>Soil</strong>: Hoosfield pH 4 and pH 8<br />

<strong>Soil</strong> Biochar Treatments<br />

pH4 Nil pH4<br />

• Biochar: pH4 Miscanthus BC350 produced at pH4+BC350<br />

and 700 o C<br />

pH4 BC700 pH4+BC700<br />

• Biochar rate: 50 g C kg-1soil<br />

pH8 Nil pH8<br />

pH8 BC350 pH8+BC350<br />

• Incubation: pH8 90 days BC700 at 40 % Water pH8+BC700 Holding<br />

Capacity at 25 °C

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