Document Type : Research Article
Authors
College of Agriculture and Natural Resources , Tehran, University
Abstract
Abstract
The use of plants for remediation of heavy metals contaminated soils is an economical, cheap and effective strategy. This research was conducted in order to study the effect of potassium chloride on cadmium uptake and enhancement of it's phytoremediation by canola (Brassica napus L.) and sunflower (Helianthus annuus L.) in a cadmium polluted soil from Angoran in Zanjan province. In a randomized complete block design (RCBD), with three replications, four levels of potassium (0(control), 50,100 and 200 mg K2O per kilogram of soil as KCl) was performed and Azargoal hybrid variety of sunflower and Double Zero variety of spring canola separately were planted in pot. The ANOVA results showed that application of KCl treatments have significantly effects (P
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