Heavy metals and their general toxicity for plants
Heavy metals are important environmental pollutants, and their toxicity is a serious problem of great concern for environmental, ecological, nutritional and toxicological reasons. Metals can affected long list of physiological and biochemical processes in plants and their toxicity varies with plant species, particular metal, metal concentration and it chemical form. Throughout the world, researches have been conducted extensive investigations to determine the effects of toxic heavy metals on plants. The process is still going on and the need of intensification of the research programmes for better understanding of heavy metal toxicity is evident.
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