Assessment of lead heavy metals in soils of agricultural lands in Ardebil

چکیده مقاله

Heavy elements are considered as the most important non-point pollution of natural resources. Thousands tons of these elements are entered into soil system annually on a global scale. This study aims to assess lead heavy metal in agriculture soils of Ardebil Province. Time territory of study, collected data and study sample are referred to 2014. Required samples were taken from soil by field work and being in the area. The obtained data were analyzed by SPSS software so that the results of measuring the concentration of lead heavy metals were compared by EPA standard that maximum permitted lead content is 50 milligram on kilogram. Single t-test was sued for investigating the samples significance and Kolmogorov and Smirnov test was used for determining the normality of data and finally analysis of variance test was used for checking the mean of data concentration.

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