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The Topolnitsa River basin is a vulnerable agricultural area affected by mining and metallurgical pressure. Irrigation with surface waters and contrasting soil properties may increase secondary contamination. This study develops the Chemical Line of Evidence (Chem-LoE) within the TRIAD framework of an advisory system for ecological risk assessment. The focus is on riparian and floodplain agricultural soils, mainly alluvial-meadow and deluvial-meadow soils. Copper (Cu), lead (Pb), zinc (Zn), cadmium (Cd) and arseni...

The topic is up-to-date, related to the full use of organic materials in crop production and livestock breeding. This is part of the goals of the circular economy and is successfully linked to the need to maintain a positive balance of soil organic matter in agricultural lands. The problem is an important issue for sustainable agriculture on arable land but has a different meaning in different soil types. Organic fertilization is an effective method for maintaining soil fertility. Two soil types were used - Luviso...