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‘All elements that are present in a plan...

‘All elements that are present in a plant need not be essential to its survival’. Comment.

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There are some elements like Zn, Mo, Bo, etc. are non -essential. They take part in some metabolic reactions but are not essential for survival. Near about 60 elements out of 105 discovered are absorbed by roots of a plant. However, only 17 of them are essential for plant growth and development.
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