Evaluation of the potential use of biosolids in corn crop in the municipality of Puebla, Mexico
Publish place: International Journal Of Recycling of Organic Waste in Agriculture، Vol: 11، Issue: 4
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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JR_ROWA-11-4_007
تاریخ نمایه سازی: 23 شهریور 1401
Abstract:
Purpose Due to the urgent need for sustainable agro-industrial waste management, a field experiment was conducted to evaluate the application of biosolids as organic fertilizer in a corn cultivation crop. In addition, to achieve food security, the study aimed to assess metals concentrations in soil and maize plants and enrichment factors (EF) for soils and plants.Method Four sites with a biosolids application were studied and compared against a control. Physicochemical properties of soils and heavy metal contents were evaluated after one year of application of biosolids. Metal concentrations, average kernel yield and biomass were measured in corn plants.Results The results demonstrated that the biosolids increased the content of organic matter, nitrogen, phosphorus, and exchangeable bases in the soil. In addition, the concentration of heavy metals in soils with biosolids was higher than in soils without treatment, and the concentration of heavy metals in the corn kernels did not exceed the maximum recommended limits. However, EF values showed a considerable contamination grade due to the accumulation of metals.Conclusion Some of the physical and chemical characteristics of soil were improved by incorporating biosolids, but the metal content in the soil increased. Also, the application of biosolids increased the plant height and corn yield. Therefore, biosolids can be used as organic fertilizer sources; however, it is necessary to carry out periodic evaluations to ensure low levels of enrichment in crops and soil, thus guaranteeing the safety of biosolids as soil fertilizers.
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Authors
Yaselda Chavarin Pineda
Postgraduate in Environmental Sciences- Institute of Sciences of the Autonomous University of Puebla, Mexico
Miguel Angel Valera Perez
Postgraduate in Environmental Sciences- Institute of Sciences of the Autonomous University of Puebla, Mexico
Raimundo Jimenez Ballesta
Department of Geology and Geochemistry, Autonomous University of Madrid, Spain
Jose Victor Tamariz Flores
Postgraduate in Environmental Sciences- Institute of Sciences of the Autonomous University of Puebla, Mexico