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Alfa Revista de Investigación en Ciencias Agronómicas y Veterinaria
versão On-line ISSN 2664-0902
Resumo
AGUILAR SANCHEZ, Juan de Dios e CUBAS IRIGOIN, Napoleón. Soil contamination through the use of wastewater. Rev. Inv. Cs. Agro. y Vet. [online]. 2021, vol.5, n.14, pp.132-144. Epub 31-Ago-2021. ISSN 2664-0902. https://doi.org/10.33996/revistaalfa.v5i14.104.
The general objective of the investigation is to demonstrate the index of contamination of the soils due to the use of wastewater, the investigation was of an experimental type that consisted of collecting 5 samples of farmland with the purpose of verifying the potential of Hydrogen (pH) , Electrical Conductivity (EC), Phosphorus (P), Potassium (K), Carbon (C), Organic Matter, Nitrogen (N), mechanical analysis, Cation Exchange Capacity (CEC), amount of Calcium (〖Ca〗 ^ (+ 2)), Magnesium (〖Mg〗 ^ (+ 2)), Potassium (K ^ +), Sodium concentration (〖Na〗 ^ +) and Calcium Hydride (〖Ca〗 ^ (+ 2) + H ^ +), the relevant results highlight that most samples present superimposed concentrations of chemical components, to those proposed by the Food and Agriculture Organization of the United Nations (FAO, 2018). Based on the data, it is concluded that the excess pH found in the soils makes it alkaline, the excess of phosphorus, potassium, carbon, organic matter and the regularity of nitrogen makes the soils not perform their normal functions in the cultivation of the plants and that the milliequivalent values per 100 / g exceed the limits allowed by current regulations.
Palavras-chave : Characterization; cations; composition; contamination and soil.