CHALLENGES AND SIDE EFFECTS OF HEAVY METALS IN AGRICULTURECHALLENGES AND SIDE EFFECTS OF HEAVY METALS IN AGRICULTURE
Heavy metals with stress causes declination into molecular oxygen’s and releases very reactive transitional compound product such as hydrogen per-oxide (H2O2), super-oxide radical and also hydroxyl radicals referred as reactive oxygen class. Heavy metals contamination is a severe worldwide environmental issue as it undesirably disturbs plants development and genomic dissimilarity. Essential and nonessential heavy metals normally harvest common lethal effects on plants, like low biomass accretion, chlorosis, inhibition in growth, photosynthesis, transformed water equilibrium and nutrient integration, and senescence, which eventually leads plant decease. The study aimed to review side-effects of heavy metals on plants and living systems and their methods for remediation. Effective methods are available to overcome this problem including precipitation, Biosorption, ion exchange, filtration but they are not cost-effective. In this regard phytoremediation the most efficient and cost-effective process found. Although the bioremediation method seems to be the best alternative, having some limitations. Elongate study essential to be accompanied to lessen the restraint in order to apply this method efficiently.
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