Effluent disposal on soil as an sustainable alternative: a integrative review on its agricultural effects

Authors

DOI:

https://doi.org/10.5902/2179460X85526

Keywords:

Agriculture, Wastewater irrigation, Environmental impacts

Abstract

The objective of this article was to evaluate the effect of wastewater disposal on soil based on scientific evidence. For this purpose, an integrative review was conducted in two databases using the cross-referenced terms “irrigation,” “wastewater,” “effluent,” “soil,” and “disposal.” To meet the eligibility criteria established in this study, the papers, in addition to having been published in the last three years, had to address the effects of effluent irrigation on agricultural crops and present original results. The vast majority of the texts evaluated showed an increase in various metals on soil after irrigation with effluents (some with previous treatment and others untreated). Nevertheless, when considering the availability of organic nutrients in the soil, it was possible to identify benefits for both fertility and agricultural productivity, including an increase in the yield of secondary agricultural products. The variation in the results of the studies evaluated is justified by the different effluent matrices and their characteristics, as well as by the agricultural culture in which they will be applied. In this way, the data obtained show that the reason for wastewater reuse is becoming increasingly relevant, and to prevent this from resulting in environmental damage or even risks to public health, it is necessary to consider the changes and effects pointed out in the physical environment.

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Author Biographies

Larissa Barcelos Campos, Universidade de Ribeirão Preto

Graduated in Environmental Engineering from the São Paulo State University Júlio de Mesquita Filho.

Guilherme Sgobbi Zagui, Universidade de Ribeirão Preto

PhD in Public Health Nursing from the University of São Paulo.

Marília Vasconcellos Agnesini, Universidade de Ribeirão Preto

PhD in Environmental Technology from the University of Ribeirão Preto.

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Published

2025-11-07

How to Cite

Campos, L. B., Zagui, G. S., & Agnesini, M. V. (2025). Effluent disposal on soil as an sustainable alternative: a integrative review on its agricultural effects. Ciência E Natura, 47. https://doi.org/10.5902/2179460X85526

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