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bnf in sugarcane, ghg & impact of crop management - Fapesp

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N 2O (mg N m -2 )<br />

CH 4 (mg N m -2 )<br />

12<br />

GHGs emission: fertilizer X<br />

<strong>in</strong>oculation<br />

300<br />

250<br />

200<br />

150<br />

100<br />

50<br />

0<br />

0<br />

-10<br />

-20<br />

-30<br />

-40<br />

-50<br />

Nitrous Oxide<br />

N0 N0+I N100 N150<br />

N0 N0+I N100 N150<br />

Methane<br />

Jaú (Burned)<br />

Clay: 17.8%; Sand: 76.6%<br />

Bulk density: 1.39 g cm -3<br />

Carbon: 2114 g C m -2<br />

Bioen Workshop 2012 (Cantarella)<br />

N 2O (mg N m -2 )<br />

CH 4 (mg C m -2 )<br />

300<br />

250<br />

200<br />

150<br />

100<br />

50<br />

0<br />

0<br />

-10<br />

-20<br />

-30<br />

-40<br />

-50<br />

Nitrous Oxide<br />

N0 N0+I N100 N150<br />

N0 N0+I N100 N150<br />

Methane<br />

Piracicaba (Unburned)<br />

Clay: 51.9%; Sand: 31.4%<br />

Bulk density: 1.49 g cm -3<br />

Carbon: 4090 g C m -2<br />

N 2O emission <strong>in</strong>creased<br />

with N fertilizer application<br />

but was not affected by<br />

<strong>in</strong>oculation with diazotrhopic<br />

bacteria<br />

Emission factor ≤ IPCC<br />

Vargas et al, 2012)

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