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稻田在淹水期间,水层的氧化还原电位明显高于土壤耕层,二者的电位差一般为0.2—0.6伏。于天仁等研究过水稻土淹水期间氧化还原电位在剖面上的分布。淹水稻田的水层与耕层因氧化还原电位差而产生的自然静电场,是土壤本身存在的
During flooding, the redox potential of the water layer is significantly higher than that of the soil layer. The potential difference between the two is generally 0.2-0.6 volts. The distribution of redox potential in the section of paddy soils during the flood period studied by Yu et al. The natural electrostatic field generated by the redox potential difference between the water layer and the top layer of the flooded paddy soil is the soil itself