Remediation methods are gaining acceptance as effective and inexpensive techniques used in the reclamation of degraded areas. The reclamation of post-mining sites has become important for the conservation of soil and vegetation. An assessment of potential productivity of plants based on the depth of their root zone is crucial for the validation of properties of post-mining soils. Our aim was to present soil productivity parameters that would facilitate assessment of various post-mining objects. Soil productivity index (SPI) was calculated to assess soil quality, mainly in areas degraded by hard coal mining. It is based on an equation determining the relationship between the productivity index and the physical, chemical, and hydrological properties of soil. Our study demonstrated the positive effects of enriched sewage sludge with amendments on newly formed soil and plants. The soil productivity index was 0.81, demonstrating the suitable condition of the initial soil resulting from reclamation. This parameter might be important for post-industrial reclamation, such as wasteland intended to be transformed into woodland. Considering the composition of sewage sludge amendments, it can be successfully used as an effective method of restoring and improving both the physical and chemical properties of soils, thus effectively replacing mineral fertilisers. The use of sewage sludge in soil reclamation will be an important method of managing this waste material in post-mining areas.

中文翻译：

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土壤复垦八年后土壤生产力指数的应用和污水污泥修正

修复方法作为在退化地区的复垦中使用的有效且廉价的技术正在获得认可。采矿后场地的开垦对于土壤和植被的保护变得很重要。根据植物根区的深度评估植物的潜在生产力对于验证采矿后土壤的特性至关重要。我们的目标是提供有助于评估各种采矿后对象的土壤生产力参数。计算土壤生产力指数 (SPI) 以评估土壤质量，主要是在因硬煤开采而退化的地区。它基于确定生产力指数与土壤物理、化学和水文特性之间关系的方程。我们的研究证明了经过改良的浓缩污水污泥对新形成的土壤和植物的积极影响。土壤生产力指数为0.81，表明复垦初期土壤条件适宜。该参数对于后工业开垦可能很重要，例如打算转变为林地的荒地。考虑到污水污泥改良剂的成分，它可以成功地用作恢复和改善土壤物理和化学性质的有效方法，从而有效地替代矿物肥料。在土壤复垦中使用污水污泥将是在采矿后区域管理这种废料的重要方法。证明由开垦产生的初始土壤的适宜条件。该参数对于后工业开垦可能很重要，例如打算转变为林地的荒地。考虑到污水污泥改良剂的成分，它可以成功地用作恢复和改善土壤物理和化学性质的有效方法，从而有效地替代矿物肥料。在土壤复垦中使用污水污泥将是在采矿后区域管理这种废料的重要方法。证明由开垦产生的初始土壤的适宜条件。该参数对于后工业开垦可能很重要，例如打算转变为林地的荒地。考虑到污水污泥改良剂的成分，它可以成功地用作恢复和改善土壤物理和化学性质的有效方法，从而有效地替代矿物肥料。在土壤复垦中使用污水污泥将是在采矿后区域管理这种废料的重要方法。它可以成功地用作恢复和改善土壤物理和化学性质的有效方法，从而有效地替代矿物肥料。在土壤复垦中使用污水污泥将是在采矿后区域管理这种废料的重要方法。它可以成功地用作恢复和改善土壤物理和化学性质的有效方法，从而有效地替代矿物肥料。在土壤复垦中使用污水污泥将是在采矿后区域管理这种废料的重要方法。