Fadakar, Samira
Jahanshahi Afshar, Farahnaz
Pedram, Majid
Article History
Accepted: 22 July 2020
First Online: 27 August 2020
Compliance with ethical standards
:
: All the authors certify that they do not have any conflict of interest, the presented data are original and the presented data are not published, and are not under evaluation for publication elsewhere, all prevailing local, national and international regulations and conventions, and normal scientific ethical practices, have been respected. They also certify that the final version of this manuscript has been reviewed by all authors.
: The soil samples analyzed in this study were collected from the natural public regions that are not under protection against soil samplings.
: The authors certify that they have accepted the principles of ethical standards and that guidelines of professional conduct have been followed. The funders had no role in designing of this study, collecting and analyzing of the data, preparing the manuscript and are not involved in evaluating or publishing process of this research.