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Cited by 282

The DOI matches its Crossref record; 85 of the 85 references it cites were found in a registry or an index.

Recycling sludge on cropland as fertilizer – Advantages and risks

Open access
Seleiman, Mahmoud F., Santanen, Arja, Mäkelä, Pirjo S.A.·2020·Resources, Conservation and Recycling

Abstract

Abstract Background Digested sludge is a good source of plant nutrients. However, depending on the feedstock, it might contain heavy metals, metalloids, organic compounds, pathogens, and pharmaceuticals, which can cause adverse effects on crop growth and contaminate the groundwater, soil, and food chain. Scope The aim of this review is to focus on the potential risks of inorganic and organic contaminants to plant growth, soil, groundwater, and consequently the food chain and environment related to the utilization of digested sludge as a fertilizer on cropland. Conclusions Inorganic compounds, such as metals and metalloids, in sludge can occasionally cause reductions in soil microbial biomass. In general, the uptake of metals and organic contaminants does not appear to cause a significant hazard to the plants and the concentrations do not surpass the maximum values allowed in soil. Organic compounds, harmful for human health or the environment, are to a large extent decomposed or volatilized from the land treated with sludge, which decreases their leaching into the environment. Many of the organic compounds are lipophilic and can be bound to soil organic matter. In conclusion, the application of sludge on cropland might be a sustainable management practice; however, further investigations are needed to determine the accumulation and persistence of possible hazardous emerging chemicals and pathogens in the environment and formation of harmful intermediate reaction of inorganic and organic compound products.

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Metadata

Authors
Seleiman, M. F., Santanen, A., & Mäkelä, P. S. A.
Venue
Resources, Conservation and Recycling
Publisher
Elsevier BV
Published
2020-04
Volume
155
Pages
104647
ISSN
0921-3449 (ISSN-L)
OpenAlex
W2996603661
Cited by
282
References
85
FWCI
21.23
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Recycling sludge on cropland as fertilizer – Advantages and risks. https://app.cochat.ai/papers/10.1016/j.resconrec.2019.104647
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Seleiman, M. F., Santanen, A., & Mäkelä, P. S. A. (2020). Recycling sludge on cropland as fertilizer – Advantages and risks. Resources, Conservation and Recycling. https://doi.org/10.1016/j.resconrec.2019.104647

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