生物炭与无机氮配施对稻田温室气体排放及氮肥利用率的影响
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向伟,王雷,刘天奇,李诗豪,翟中兵,李成芳
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Effects of Biochar Plus Inorganic Nitrogen on the Greenhouse Gas and Nitrogen Use Efficiency from Rice Fields
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XIANG Wei,WANG Lei,LIU TianQi,LI ShiHao,ZHAI ZhongBing,LI ChengFang
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表3 不同处理稻田温室气体累积排放量、综合温室效应及水稻产量的变化
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Table 3 Changes in cumulative greenhouse gas emissions, GWP and yield from rice fields under different treatments
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年份
Year | 处理
Treatment | CH4累积排放量
Cumulative CH4 emission (kg·hm-2) | N2O累积排放量
Cumulative N2O emission (kg·hm-2) | 综合增温潜势
Global warming potential (kg·hm-2) | 水稻产量
Yield (t·hm-2) | | 2018 | CK | 77.62±5.27 a | 0.39±0.01 b | 2275.53±151.57 a | 8.99±0.22 b | | IF | 76.84±5.42 a | 0.82±0.17 a | 2369.47±108.77 a | 9.33±0.15 b | | IF+C | 84.93±4.67 a | 0.50±0.03 b | 2510.01±130.66 a | 9.69±0.26 ab | | RIF+C | 78.66±1.71 a | 0.48±0.00 b | 2330.26±47.84 a | 10.26±0.35 a | | 2019 | CK | 58.45±9.80 a | 0.73±0.06 ab | 1829.64±258.60 a | 8.76±0.21 c | | IF | 57.12±4.14 a | 0.96±0.02 a | 1855.01±115.35 a | 9.29±0.23 bc | | IF+C | 59.51±5.65 a | 0.61±0.04 b | 1827.38±167.35 a | 10.31±0.30 a | | RIF+C | 62.04±5.88 a | 0.58±0.07 b | 1891.93±179.76 a | 9.83±0.18 ab |
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