Biochar a Promising Strategy for Pesticide-Contaminated Soils

Irina Gabriela Cara, Denis Țopa (), Ioan Puiu and Gerard Jităreanu
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Irina Gabriela Cara: Research Institute for Agriculture and Environment, “Ion Ionescu de la Brad” University of Life Sciences, 700490 Iasi, Romania
Denis Țopa: Department of Pedotechnics, Faculty of Agriculture, “Ion Ionescu de la Brad” University of Life Sciences, 700490 Iasi, Romania
Ioan Puiu: Department of Crop Science, Faculty of Agriculture, “Ion Ionescu de la Brad” University of Life Sciences, 700490 Iasi, Romania
Gerard Jităreanu: Department of Pedotechnics, Faculty of Agriculture, “Ion Ionescu de la Brad” University of Life Sciences, 700490 Iasi, Romania

Agriculture, 2022, vol. 12, issue 10, 1-21

Abstract: Soil pesticide contamination induced by modern agriculture has become a serious global issue. Its uncontrolled and inefficient application is among the main reasons for their enrichment in plants and animals subsequently transferred to humans and providing a public health risk. Biochar as a renewable and economical carbonaceous material provides a natural solution for immobilizing pesticides and improving soil health. The biochar impact in agricultural contaminated soil is governed by various factors such as the physico-chemical properties of biochar, pyrolysis, soil conditions, and the application method, which can lead to significant gaps in the removal or mitigation of toxic substances. The current study summarizes the negative effects of pesticide use and the advantages of biochar according to other remediation techniques, succeeded by the mechanism and controlling factors on minimizing pesticide leaching and bioavailability in soil. In addition, the role of biochar on fundamental processes of adsorption, desorption, biodegradation, and leaching is discussed. Ultimately, the major future research regulation and key strategies that are fundamental for pesticide-contaminated soil remediation are proposed.

Keywords: pesticide; agriculture; biochar; sorption; remediation (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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