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Position: Home > Articles > Effect of land use history on methane emission and methanogenic flora in flooded soils. Pedosphere 1996,6 (1)

Effect of land use history on methane emission and methanogenic flora in flooded soils.

作者：

Min Hang;Chen MeiCi;Zhao YuHua;Wu WeiXing;Min H;Chen MC;Zhao YH;Wu WX

单位：

;Department of Environmental Science, Zheijiang Agricultural University, Hangzhou 310029, China.

关键词：

soil flora;growth stages;storage flooding organic compounds;methane emission soil land use;soil types anthropogenic;paddy soils;bacteria china

摘要：

The characteristics of methane emission, following rice planting, were compared among six types of upland and paddy soils of Zhejiang Province, China, developed on different parent materials with distinct physical and chemical properties. The fluxesof methane emission from submerged soils in upland sites were lower than those from paddy rice fields, although the emission of methane varied with the rice growth stage. Fluxes of methane emission in paddy soils developed from fluvo-aquic soils was greatest, with the planting of rice increasing the emission of methane in all soil types. The numbers of various groups of methanogenic microbes, including hydrolytic fermentative, hydrogen-producing acetogenic and methanogenic bacteria, paralleled the differences noted in the fluxes of methane emission in various soil types and rice growth stages. Methane formation was observed from each soil type, after addition of water and incubation at 35 degC, following air-drying and storage for 40 days.

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Effect of land use history on methane emission and methanogenic flora in flooded soils.

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