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DOI: https://doi.org/10.4491/eer.2018.274
Heavy metal profiles of agricultural soils in Sakarya, Turkey
Mehmet Isleyen1, Aysegul Akpinar2, Beytullah Eren3, and Gulsun Ok3
1Department of Environmental Engineering, Bursa Technical University, Bursa 16130, Turkey
2Department of Agriculture, Bilecik Seyh Edebali University, Gulumbe-Bilecik 11230, Turkey
3Department of Environmental Engineering, Sakarya University, Sakarya 54187, Turkey
Corresponding Author: Mehmet Isleyen ,Tel: +90-224-300-3596 , Fax: +90-224-300-3419, Email: mehmet.isleyen@gmail.com
Received: August 6, 2018;  Accepted: October 11, 2018.
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Sakarya is famous for cucurbit productions in Turkey and cucurbits can grow as big as 560 kg of weight per fruit in its agricultural areas. There is no or limited information about contaminant levels and profiles of the agricultural fields in Sakarya. The purpose of this study is to investigate the levels of polycyclic aromatic hydrocarbons (PAHs) (Naphthalene, Phenanthrene, Pyrene, and Fluoranthene) and heavy metal (As, Cd, Cu, Cr, Ni, Pb, Zn) concentrations of the selected fields. Total 33 soil samples were collected from 12 Counties of Sakarya where both cucurbits have been produced and organochlorine pesticides have been applied to the fields for than 30 years during the historical plantation periods. Heavy metal and PAH contents in the soil samples were measured by an Inductively Coupled Plasma Emission Spectroscopy and a Gas Chromatography-Mass Spectrometry. The highest Phenanthrene, Pyrene, and Fluoranthene concentrations were measured as 63.50 ng/g, 134.34 ng/g, 140.0 ng/g, respectively in the soil samples from Geyve country. Cu, Ni, and Cr concentrations were measured as 108.2 mg/kg, 219.9 mg/kg, and 173.1 mg/kg, respectively in Geyve’s samples which were also the highest and 2-7 times more than the limit values given in the Turkish Soil Pollution Control Regulation. Precautions need to be taken for Sakarya’s agricultural fields which are important milestone of Turkey’s cucurbit and fruit productions since the contaminants can be accumulated in the fruits and edible parts of the plants.
Keywords: Agricultural | Cucurbits | Heavy metals | PAHs | Sakarya
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