Impact of soil organic pollutants on different types of crops – review
2024
Stefan, Elena-Madalina | Istrate, Irina-Aura | Constantin, Gabriel-Alexandru | Voicu, Gheorghe | Ferdes, Mariana | Munteanu, Mariana Gabriela
The organic pollutants of soil like associated petroleum hydrocarbons are a major source of concern for food safety, especially in underdeveloped and developing countries of the world. The increasing concentrations of toxic compounds in agricultural soils contaminated with organic pollutants affect physiology, biochemistry and development and growth of crops, and overall productivity. Organic pollutants can degrade soil structure, disrupt microbial communities, and reduce soil fertility. Due to the difference in the composition and concentration of the different organic pollutants, they have impact on soil, on plant growth and development in different ways and at different rates. The current review aims to give an overview of the response of plants to organic pollution according to factors such as the type, composition, concentration, persistence of organic pollutants, type and characteristics of soil, plant species and climate. Petroleum hydrocarbons and polycyclic aromatic hydrocarbons (PAHs) are part of the most significant classes of organic pollutants, due to their long-term environmental persistence, long-term toxicity, bioaccumulation, and biomagnification properties of living tissues. Up to 90% of all petroleum hydrocarbons are deposited in the soil due to their high hydrophobicity, which improves the rapid interaction with soil particles and their permeability in the lower layers. Thus, this review summarizes the current state of research on the effects of organic pollutants, hydrocarbons especially, on physiology, biochemistry, development and growth of crops.
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出版者 Latvia University of Life Sciences and Technologies