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Strategic rice cultivation with energy crop rotation in Southeast Asia

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Methane emissions (kg C /ha/day)<br />

1-Jan-10<br />

1-Feb-10<br />

1-Mar-10<br />

1-Apr-10<br />

1-May-10<br />

1-Jun-10<br />

1-Jul-10<br />

1-Aug-10<br />

1-Sep-10<br />

1-Oct-10<br />

1-Nov-10<br />

1-Dec-10<br />

1-Jan-11<br />

1-Feb-11<br />

1-Mar-11<br />

1-Apr-11<br />

1-May-11<br />

1-Jun-11<br />

1-Jul-11<br />

1-Aug-11<br />

1-Sep-11<br />

1-Oct-11<br />

1-Nov-11<br />

1-Dec-11<br />

Methane emissions (kg C /ha/day)<br />

1-Jan-10<br />

1-Feb-10<br />

1-Mar-10<br />

1-Apr-10<br />

1-May-10<br />

1-Jun-10<br />

1-Jul-10<br />

1-Aug-10<br />

1-Sep-10<br />

1-Oct-10<br />

1-Nov-10<br />

1-Dec-10<br />

1-Jan-11<br />

1-Feb-11<br />

1-Mar-11<br />

1-Apr-11<br />

1-May-11<br />

1-Jun-11<br />

1-Jul-11<br />

1-Aug-11<br />

1-Sep-11<br />

1-Oct-11<br />

1-Nov-11<br />

1-Dec-11<br />

Methane emissions (kg C /ha/day)<br />

1-Jan-10<br />

1-Feb-10<br />

1-Mar-10<br />

1-Apr-10<br />

1-May-10<br />

1-Jun-10<br />

1-Jul-10<br />

1-Aug-10<br />

1-Sep-10<br />

1-Oct-10<br />

1-Nov-10<br />

1-Dec-10<br />

1-Jan-11<br />

1-Feb-11<br />

1-Mar-11<br />

1-Apr-11<br />

1-May-11<br />

1-Jun-11<br />

1-Jul-11<br />

1-Aug-11<br />

1-Sep-11<br />

1-Oct-11<br />

1-Nov-11<br />

1-Dec-11<br />

Methane emissions (kg C /ha/day)<br />

1-Jan-10<br />

1-Feb-10<br />

1-Mar-10<br />

1-Apr-10<br />

1-May-10<br />

1-Jun-10<br />

1-Jul-10<br />

1-Aug-10<br />

1-Sep-10<br />

1-Oct-10<br />

1-Nov-10<br />

1-Dec-10<br />

1-Jan-11<br />

1-Feb-11<br />

1-Mar-11<br />

1-Apr-11<br />

1-May-11<br />

1-Jun-11<br />

1-Jul-11<br />

1-Aug-11<br />

1-Sep-11<br />

1-Oct-11<br />

1-Nov-11<br />

1-Dec-11<br />

Activity IV: Comparison between observation and DNDC simulations<br />

of daily pattern of CH 4 emissions from <strong>crop</strong> <strong>rotation</strong> systems<br />

Fallow- Rice-Fallow-Rice<br />

Corn- Rice-Corn-Rice<br />

Observed<br />

Simulated<br />

Observed<br />

Simulated<br />

7.0<br />

6.0<br />

5.0<br />

4.0<br />

3.0<br />

2.0<br />

1.0<br />

0.0<br />

Falllow Rice Fallow Rice<br />

9<br />

8<br />

7<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

Corn Rice Corn Rice<br />

days<br />

days<br />

Rice- Rice-Rice-Rice<br />

Sorghum- Rice-Sorghum-Rice<br />

Observed<br />

Simulated<br />

Observed<br />

Simulated<br />

14<br />

12<br />

10<br />

8<br />

6<br />

4<br />

2<br />

0<br />

Rice Rice Rice Rice<br />

8<br />

7<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

Sorghum Rice Sorghum Rice<br />

days<br />

days

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