双季稻秸秆还田方式对土壤碳库和甲烷排放强度的影响
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梁威, 李虎, 郑华斌, 王慰亲, 唐启源
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Effects of Double Cropping Rice Straw Returning Method on Soil Organic Carbon Fixation and Methane Emission Intensity
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Liang Wei, Li Hu, Zheng Huabin, Wang Weiqin, Tang Qiyuan
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表2 不同秸秆还田方式0~10 cm土层土壤容重与孔隙度的影响
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Table 2 Effects of different straw returning methods on the soil bulk density and porosity of 0-10 cm soil layer
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处理
Treatment | 土壤容重Soil bulk density (g/cm3) | | 土壤孔隙度Soil porosity (%) | 2023年早稻移栽前
Before transplanting
early rice in 2023 | 2024年早稻移栽前
Before transplanting
early rice in 2024 | 2024年晚稻收获后
After the harvest of
late rice in 2024 | | 2023年早稻移栽前
Before transplanting
early rice in 2023 | 2024年早稻移栽前
Before transplanting
early rice in 2024 | 2024年晚稻收获后
After the harvest of
late rice in 2024 | | CK | 1.26a | 1.24a | 1.28ab | | 52.45b | 53.21b | 51.68c | | T1 | 1.28a | 1.27a | 1.29a | | 51.70b | 52.08b | 51.41c | | T2 | 1.23ab | 1.24a | 1.28ab | | 53.58ab | 53.21b | 51.60c | | T3 | 1.20ab | 1.16b | 1.19c | | 54.72ab | 56.23a | 54.99a | | T4 | 1.17b | 1.13b | 1.25b | | 55.85a | 57.36a | 52.86b | | 处理（T） | | ** |
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| | 年份（Y） | | ** | | ** | | T×Y | | ns | | ns |
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