PalmOnly international rice methane emissions calculationsDistribution of rice crop area, by environment from the International Rice Research Institute World Rice Statistics.

http://www.irri.org/science/ricestat/

**kg CH4/ha/yr** 

Australia 1.237kg CH4/ha/day 262.26096 Cuba 1.237kg CH4/ha/day 301.84752 Egypt 1.237kg CH4/ha/day 189.27324 Europe 1.237kg CH4/ha/day 226.88047 Japan 1.237kg CH4/ha/day 264.73512 Pakistan 1.237kg CH4/ha/day 264.73512 South Korea 1.237kg CH4/ha/day 189.27324 Uruguay 1.237kg CH4/ha/day 223.91148 US 1.237kg CH4/ha/day 208.44798

**Irrigated Rainfed** 

**lowland Upland**  **Deepwater**

**EM ISSION**  **FA CTOR**  1.23708 0.44408 0 0.49166

**Ma jor rice**  **consuming and producing**  **countries Percent** 

**Fields Irrigated**  **Percent**

**Fields Rainfed**  **lowland Percent** 

**Fields Upland**  **Percent**

**Fields Deepwater**  **custom**

**EF kg** 

**CH4/ha/yr**

Bangladesh 40 42 7 11 0.735428 140.28293 Brazil 35.5 2.8 61.7 0 0.451598 91.523788 Burkina Faso 9 6 0 85 0.555893 85.051629 Cambodia 16 75 1 8 0.570326 173.37898 Chad 0 11 89 0 0.048849 8.9393304 China 93 5 2 0 1.172688 179.12815 Colombia 70 10 20 0 0.910364 139.28569 Congo, Dem Rep of 7 19 74 0 0.170971 30.945715 Cote d'Ivoire 7 15 78 0 0.15320828.190198 Dominican Rep 93 7 0 0 1.18157 324.93175 Ecuador 38.4 0 61.6 0 0.475039 173.38913 Ghana 10 81 9 0 0.483413 88.464542 Guinea 1 19 69 11 0.15082927.601634 Guyana 71 29 0 0 1.00711 307.16855 India 52.6 32.4 12 3 0.809336 295.40757 Indonesia 60.1 25.3 0 14.6 0.92762 338.58118 Lao PDR 8.3 77.4 14.3 0 0.446396 68.298521 Liberia 2 6 82 10 0.100552 16.943079 Madagascar 52 18 29 1 0.728133 176.93622 Malaysia 66 21 12 1 0.914646 293.14411 **The following countries use more than 1 type of cropping regime. To be most accurate, the calculations should use all applicable EFs. First, multiply the area harvested by the following percentages to determine the area harvested using each regime. Then for each different regime,**  **use the area harvested and the applicable EF to calculate emissions The following countries all use 1 type of cropping**  **regime (irrigated fields) and therefore one EF can be applied to their total production amounts** 

**If it is not desired to conduct this analysis country by country, it is recommended**Mali 32 25 3 40 0.70355 150.55961

Myanmar 30 59 4 7 0.667547 243.6548 Nepal 21 66 5 8 0.592212 54.483541 Nigeria 16 52 30 2 0.438688 80.718518 North Korea 67 20 13 0 0.91766 140.40192 Peru 80 20 0 0 1.07848 228.63776 Philippines 68 29.2 2.8 0 0.970886 295.14927 Senegal 45 43 5 7 0.782057 143.11636 Sierra Leone 0 28 68 4 0.14400929.060976 Sri Lanka 75 25 0 0 1.03883 315.80432 Suriname 93 7 0 0 1.18157431.27305 Tanzania 4 73 23 0 0.373662 136.38648 Thailand 25 72.8 1.7 0.5 0.635019231.78177 Uganda 2 53 45 0 0.260104 86.874736 Vietnam 53 39 5 3 0.843593 307.91159

Added 9-16-08 Iran 1.3 117 Iraq 1.3 156 Mexico 1.3 156 Taiwan 1.3 312 Tureky 1.3 136.5 Argentina 1.3 175.5Distribution of rice crop area, by environment from the International Rice Research Institute World Rice Statistics.

**The following countries use more than 1 type of cropping regime. To be most accurate, the calculations should use all applicable EFs. First, multiply the area harvested by the following percentages to determine the area harvested using each regime. Then for each different regime,** 

**If it is not desired to conduct this analysis country by country, it is recommended that EPA** 

**use the default factor - 1.3**from Appendix Table 4: Rice crop calendar, by country

http://www.irri.org/science/ricestat/

For countries with more than one season per year, season lengths added. For countries with early and late seasons, early season used. **Country Month Planted**  **Month Harvested Season Length (days)**  Australia October April 212 Bangladesh Data for 4 regions averaged 190.75 Brazil Data for 3 regions averaged 202.67 Burkina Faso June October 153 Cambodia June March 304 Chad June November 183 China Data for 4 regions averaged 152.75 Colombia March July 153 Congo, Dem Rep of November April 181 Cote d'Ivoire May October 184 Cuba April November 244 Dominican Rep April December 275 Ecuador Essentially grown year round 365 Egypt May September 153 Europe Average for five countries 183.4 Ghana April September 183 Guinea April September 183

Guyana May

(main) December October Guyana (Spring) March (Spring) 305 India Rice essentially grown year round 365 Indonesia Rice essentially grown year round 365 Japan April October 214 Lao PDR July November 153 Liberia Average for 2 regions 168.5 Madagascar October May 243

Malaysia 320.5

Mali June December 214

Myanmar June (Main)

November (Second) December (main)

April (Second) 365 Nepal July September 92 Nigeria May October 184 North Korea May September 153 Pakistan May November 214 Peru January July 212

Philippines August (main)

January (Second) December (main)

May (Second) 304 Senegal June November 183 Sierra Leone Average for 5 regions 201.8 South Korea June October 153

Average taken for 3 regions. Malaysia has 2 seasons, both accounted for in season length.Sri Lanka October (Main) April (Second) February (Main) August (Second) 304 Suriname Essentially grown year round 365 Tanzania Essentially grown year round 365

Thailand 365 Uganda January November 334 Uruguay November April 181 US Average of two regions 168.5 Vietnam Rice essentially grown year round 365 **Ad ded 9-16-08**  Month Planted Month Harvested Season Length (days)

Iran Late May Late Aug 90 Iraq May September 120 Mexico May September 120

Taiwan Feb (Main)

June(2nd) June (Main)

October (2nd) 240 Turkey June Late Sept 105 Argentina Late October April 135

Average taken for 4 regions. Second season also includedFor countries with more than one season per year, season lengths added. For countries with early and late seasons, early season used.**Country kg CH4/acre/yr**  **2022 000s Ha Harvested Rice**  **2017 000s Ha**

**Harvested Rice 2012 000s Ha** 

**Harvested Rice** Algerian 84.47 0.00 Argentina 71.02 0.01 Australia 106.13 0.05 Bangladesh 56.77 0.23 Brazil 37.04 -0.42 Canada & United States 84.47 -0.20 China 72.49 -0.34 CIS 84.47 0.00 Columbia 56.37 0.02 Cuba 122.15 0.01 Egypt 76.60 0.00 EU 91.82 0.01 Guatemala 84.47 0.00 India 119.55 -0.62 Indonesia 137.02 0.42 Iran 47.35 0.02 Iraq 63.13 0.03 Ivory Coast 11.41 0.13 Japan 107.13 0.10 Malaysia 118.63 0.00 Mexico 63.13 -0.01 Morocco 84.47 0.00 Myanmar 98.60 0.00 Nigeria 32.67 0.03 Other Africa 84.47 0.20 Other Asia 84.47 0.11 Other CIS 84.47 0.01 Other Eastern Europe 84.47 0.00 Other Latin America 84.47 0.04 Other Middle East 84.47 0.00 Pakistan 107.13 0.27 Paraguay 84.47 0.00 Peru 84.47 0.01 Philippines 119.44 0.25 ROW 82.53 0.14 Russia 84.47 0.01 Russia and Ukraine 84.47 0.00 South Africa 84.47 0.00 South Korea 76.60 0.08 Taiwan 126.26 -0.01 Thailand 93.80 0.20 Tunisia 84.47 0.00 Turkey 55.24 0.01 Ukraine 84.47 0.00 Uruguay 90.61 0.03 Uzbekistan 84.47 0.00 Venezuela 84.47 0.01Vietnam 124.61 0.01

Western Africa 84.47 0.00 Net Total 1 0 0

Average 84.47

United States -0.204332338**2022 MT**

**CH4/yr 2017 MT** 

**CH4/yr 2012 MT** 

**CH4/yr** 0 0 0 1 0 0 13 0 0 32 0 0 -39 0 0 -43 0 0 -61 0 0 0 0 0 2 0 0 2 0 0 0 0 0 2 0 0 0 0 0 -182 0 0 143 0 0 3 0 0 5 0 0 4 0 0 27 0 0 0 0 0 -1 0 0 0 0 0 0 0 0 3 0 0 41 0 0 24 0 0 1 0 0 0 0 0 9 0 0 0 0 0 71 0 0 0 0 0 3 0 0 75 0 0 29 0 0 1 0 0 0 0 0 0 0 0 15 0 0 -3 0 0 45 0 0 0 0 0 2 0 0 0 0 0 7 0 0 0 0 0 2 0 02 0 0 0 0 0 **236 0**  **0**