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首页> 外文期刊>Journal of plant nutrition and soil science >Reactions of sewage farm soils to different irrigation solutions in acolumn experiment. 1. Solid phase physicochemical properties
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Reactions of sewage farm soils to different irrigation solutions in acolumn experiment. 1. Solid phase physicochemical properties

机译：污水农场土壤反应在ACOLUMN实验中不同灌溉解决方案。 1.固相物理化学性质

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摘要

Physicochemical properties of two sandy soils taken from a present and from a former sewage farm were studied during a 2.5 years column experiment, in which lime and irrigation water of various compositions were applied. The amount of exchangeable bases and base saturation percentage in both soils changed markedly during the experiment. These changes were governed by changes in soil pH. The specific surface area as well as the cation exchange capacity were closely related to the organic carbon content in the soil profile. The surface charge density of both soils was roughly equal and independent of the soil depth.
机译：在2.5年的柱实验期间研究了来自目前和前污水农场的两个砂土和来自前污水农场的物理化学性质，其中施加了各种组合物的石灰和灌溉水。 在实验期间，两种土壤中可交换碱基和基础饱和百分比的量变化。 这些变化受土壤pH的变化管辖。 比表面积以及阳离子交换能力与土壤剖面中的有机碳含量密切相关。 两种土壤的表面电荷密度大致相等且与土壤深度无关。

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