Effect of uncontrolled fertilization and heavy metal toxicity associated with arsenic(As), lead(Pb) and cadmium (Cd), and possible remediation
2022
Khatun, Julekha | Intekhab, Ashad | Dhak, Debasis
In this growing age of population,agriculture plays a significant role by providing food and employment to millions of people. But to meet the growing need of food day by day the demand of fast and quality plant production becomes a must. Fertilization is one of such activities which are people accustomed to do for this purpose from a very long time. But the excessive uses of chemical fertilizers are showing negative influence on the environmental and public health. The paper mainly focuses on how the excessive use of chemical fertilizers are affecting the soil health as well as the water bodies by accumulating heavy metals (HMs) and other chemical elements present in them and the possible remediation measures.In adequate levels, all heavy metals are hazardous. However, some of them e.g., arsenic (As), lead (Pb) and Cadmium (Cd) are of particular relevance due to their environmental concentrations. The paper also provides a comprehensive discussion of the sources, uses, toxicity, and remediation of these particular HMs.
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