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A new technology to restore soil fertility: reconstitution

机译：恢复土壤肥力的新技术：重建

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摘要

Soil degradation is characterized by the reduction of soil thickness and fertility. Reconstitution technique was used to reclaim the degraded soil covering a closed landfill and to restore the fertility of farm soils in Northern Italy (Piacenza province, Emilia-Romagna region). Reconstitution applied chemical and mechanical actions to degraded soils and/or alluvial sediments mixed with waste from different productive processes. The aim of this study was to describe how reconstitution changed the physicochemical properties of the original soils used in the mixture. The results show that reconstitution produced soils with improved physical properties; on average, in reconstituted soils bulk density was 45% and particle density was 10% lower than original soils. The same was observed for the chemical properties; on average, in reconstituted soils pH was 5% lower than original ones, whereas organic C was 82% and N was 59% higher.
机译：土壤降解的特点是降低土壤厚度和生育率。 重构技术用于回收覆盖封闭垃圾填埋场的降解土壤，并恢复意大利北部农场土壤的生育率（Piacenza省，艾米利亚 - 罗马纳地区）。 重建应用化学和机械作用，以降解土壤和/或冲积沉积物与不同生产过程中的废物混合。 本研究的目的是描述重构如何改变混合物中使用的原始土壤的物理化学性质。 结果表明，重建产生了物理性质改善的土壤; 平均而言，在重构的土壤中，堆积密度为45％，颗粒密度低于原始土壤的10％。 观察到该化学性质的相同; 平均而言，在重构的土壤中，pH值低于原始的5％，而有机C为82％，n为59％。

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