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Ecopersia، جلد ۵، شماره ۴، صفحات ۱۹۸۱-۱۹۹۰
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عنوان انگلیسی Threat of Copper, Zinc, Lead, and Cadmium in Alfalfa (Medicago scutellata) as Livestock Forage and Medicinal Plant
چکیده انگلیسی مقاله Background: Concentrations of 4 toxic metals, viz. Cd, Cu, Pb, and Zn in the soil and alfalfa samples collected from Borujerd, Iran, was determined. The capability of alfalfa to accumulate heavy metals from soils was assessed in terms of Biological Concentration Factor. Materials and Methods: The alfalfa and soil samples were collected from 20 different farms, including 13 wastewater-irrigated and seven underground-irrigated farms. After acid digestion, the samples were analyzed using atomic absorption spectrophotometer. Results: The levels of Cd, Pb, and Zn in the soils of wastewater-irrigated farms were higher than those from the groundwater-irrigated farms. With the exception of Cu, concentrations of heavy metals in the alfalfa crop were higher in wastewater-irrigated farms compared to well water. Also, in the case of BCF, both Cd and Cu values decreased with increasing metal concentration in soil. The order of BCF of heavy metals in alfalfa was in order of Cu>Cd>Zn>Pb in well water-irrigated and Zn>Cd>Cu>Pb in wastewater –irrigated samples. Discussion and Conclusions: The findings remarked that the levels of Cu, Cd, and Pb in alfalfa were exceeding the permissible levels suggested by the Joint FAO/WHO Expert Committee on Food Additives. These outcomes propose that the consumption of alfalfa plants is potentially threatening both animal and human health.
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نویسندگان مقاله عیسی سلگی |
assistant professor, department of environment, faculty of natural resources and environment, malayer university, malayer, hamedan, iran
سازمان اصلی تایید شده: دانشگاه ملایر (Malayer university)

مهدی شاهوردی نیک | shahverdi nick
department of environment, faculty of environment and energy, islamic azad university, science and research branch, tehran, iran
سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)

موسی سلگی |
assistant professor, department of horticulture, faculty of agriculture and natural resources, arak university, arak, iran
سازمان اصلی تایید شده: دانشگاه اراک (Arak university)

نشانی اینترنتی http://ecopersia.modares.ac.ir/article_18317_5f84cbf818c4b83dc3e764192027bd38.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/391/article-391-559371.pdf
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زبان مقاله منتشر شده en
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