Potential of dredged bioremediated marine sediment for strawberry cultivation

Scientific Reports
Juan José Martínez-NicolásPablo Melgarejo

Abstract

For the maintenance of the economic activity of the ports, it is necessary to dredge the marine sediments in order to guarantee their depth. These sediments, considered by European legislation as residues, present relevant limitations of use and generate environmental and economic problems concerning their final disposal. In this context, the present work aims to identify the phytoremediated dredged sediments potential as an alternative to the traditional substrate (peat) in horticultural growing through two-years controlled strawberry cultivation. The growing media mixes used were: (1) 100% peat (Pt) as a control substrate; (2) 100% dredged remediated sediment (DRS); (3) 50% each (Pt-DRS). The dredged sediment, plant drainage and strawberry plant parts (leaves, stems, roots, and fruits) were analyzed to mineral elements, heavy metal contents, and pesticide residues (polycyclic aromatic hydrocarbons, polychlorinated biphenyls and specific fumigants) during the experimental period. Only seven (Mn, Fe, Zn, Mo, Al, Mn and Ni) of the twenty-two metals and two (nitrates and fluorene) of the six hundred-thirteen pesticides analyzed were detected in the strawberry fruits. In all the cases, values detected were under the Spanish and Eu...Continue Reading

References

Jun 16, 2004·Environment International·Jacqueline Eggleton, Kevin V Thomas
Aug 18, 2004·Environmental Pollution·Abioye O FayigaB Rathinasabapathi
Aug 8, 2007·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Sabina Rossini OlivaMaria Dolores Mingorance
Jun 17, 2016·Journal of Environmental Management·Paola MatteiGiancarlo Renella
Sep 16, 2019·The Science of the Total Environment·Amanda L SinclairMark A Cochrane

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