The industrial development and increasing demand of more food
production is resulting the contamination of soil especially in
developed countries of the world. Heavy metals soil contamination
is one of them which not only affecting crop production adversely
but also deteriorating other parameters of the environment. Such
soils need remediation so as to bring them under cultivation and
control further spreading of contaminants in the environment.
Traditional soil remediation techniques are engineering based which
are not only expensive but also destroy soil fertility.
Phytoextraction, one of the phytoremediation approaches, is an
economical and environment friendly technique for remediation of
contaminated soils. Rapeseed was evaluated for the extraction of
cadmium and zinc from contaminated soil and some amendments were
also applied so at to investigate them for their effects on
bioavailability of these contaminants. Ammonium sulfate fertilizer
resulted high extraction efficiency by rapeseed for both heavy
metals. However field application is needed so as to make
phytoextraction with rapeseed applicable for farmers.
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