Study of the Heavy Metals Amounts in the Soils and Crops around the Region of Shahr-e-Kord
Subject Areas : Journal of Plant Ecophysiology
Mehrab Yadegari
1
(گروه زراعت و گیاهان دارویی، واحد شهرکرد، دانشگاه آزاد اسلامی، شهرکرد، ایران)
Keywords: pollution, soil, Agronomy Plants, Range Plant,
Abstract :
To study of the amounts of heavy metals in Shahr-e-Kord industrial town, the experiment was conducted during 2014 and 2015. Although in most cases plants which grow in agricultural soils including heavy metals, they keep more metals in their tissues. However, the main objective of implementing and investigating this research was to clarify the amount of absorption of heavy metals such as Nickel (Ni), Plumb (Pb), Chromium (Cr) and Cadmium (Cd) in agronomy crops inclusive: Wheat (Triticum aestivum), Canola (Brassica napus), Sojak (Scariola orientalis), Tragacanth (Astragalus sp) surroundings of Shahr-e-Kord industrial industrial-town. Therefore after the accomplishment of the required studies (climatic and edaphic), sample stations have been accidentally chosen at the distance of 100, 300, 600, 1000, 2000, 3000 and 5000 meters from the North, South, East and West of research area. Sampling of aerial, land construction and soils existed in this region has been done. There was a significant difference between amount of heavy metals in Range plants and Agronomy plants. Analyzing the soils from sample stations indicated that the maximum concentration existed among metals regularly related to Ni (1926 µg/Kg), Cd (504 µg/Kg), Pb (122 µg/Kg) & Cr (78 µg/Kg). However the concentration of heavy metals especially Cd and Ni was leaser than global standard but had high density in this region, therefore to decrease of pollution must contemplate for planting of Tragacanth and Sojak plants as range plants that accumulate of heavy metals.
فاضلی م.ش و ا. ریاحی. 1382. جذب و تجمع فلزات سنگین در خاکها و گیاهان حاشیه بزرگراه پر تردد شمال ایران. دومین کنفرانس بین المللی گیاهان و آلودگی محیط زیست، بوپال، هندوستان.
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