Table S1 Average CH4 emission rates (mg CH4 m-2 h-1 ± SD) from rice paddies under different periods of development. Early Rice Region IM WIM WF AEZ 7 F F No F D No F D Yes MD D No MD D Yes SD F SD F WC 1 8.05 ±5.98 9.72 AEZ 6A Late Rice Single Rice OFI 2 WF 17.63 WC 5.42±0.92 9.92 ± 1.16 10.70 ± 2.43 3,4 2,5 3,4,6,7 27.00±11.364 42.93±11.364 9.71 ± 11.07 5.90 ± 5.90 17.67 ± 12.46 13.90 ± 6.12 4,8-12 3,10,13-15 4,8,9,11,12,16 3,14,17 11.90 ± 7.76 6.35 ± 2.4715 25.26 ± 16.54 28.70 ± 12.69 4,8,9,12,16 4,8,9,12,16 10,17 No 24.68 ± 7.141 27.97 ± 8.051 Yes 22.39 ± 12.681 31.57 ± 14.641 1.82 ± 1.18 2.43 ± 4.86 1,2 1,19,20 11.11 ± 6.28 24.57 ± 18.68 1,2,8 1,20 WF WC 1 6.89 ± 3.80 2 17.718 6.01 ± 1.778 2.63 ± 0.6718 9.938 4.70 ±0.8718 6.898 9.45 ±13.95 SD D No SD D Yes F F Yes F D No F D Yes MD D No MD D Yes 7.56± 2.4324,29,30 MD M No 2.98 ±2.3029 1,8,20 14.11 ± 6.711,2,8 11.08 ± 10.92 1,20 20.04 ±5.9321 6.2222 4.87 ± 0.7822 4.62 ± 1.2923 5.13 ± 5.2023-29 15.54 ±15.1621 16.96± 15.4121,29 1.65 ± 0.7529-32 AEZ 6B AEZ 5 AEZ 8A 4.97 ±0.0529 MD M Yes SD D No 4.27 ± 1.0522 SD D Yes 5.8522 SD M No F F No 17.07 ±1.63 1,35,36 F F Yes 44.61±11.98 1,36,37 F D No 11.83±7.831,36 F D Yes 29.27±4.081,36 MD D No 12.74±12.2535,38 MD D Yes 23.19±9.3538 SD D No SD D Yes SD M Yes 36.72 36 F D No 2.92 39 F D Yes 33.32 ± 17.01 24,40 MD D No 3.56 ± 4.68 24,41-44 MD D Yes 9.66 ± 8.79 3,9,40,42,45,46 SD D Yes 3.56 ± 6.17 9,24,43 F D No 0.90±0.08 47 MD D No 5.12±1.61 48,49 SD D No 0.56 47 2.24± 0.691,33 3.18± 2.711,27,34 1.90 ± 2.451,24 8.5925 19.5436 3.80± 3.9335,38 8.97±13.9636,38 IM: Irrigation management in the growing season; WIM: winter irrigation management; OFI: organic fertilizer input; F: flooding; D: drainage; MD: mid-season drainage; SD: several drainage events; M: moisture; WF: fallow in winter; WC: crops in winter. 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