Question

what are micro nutrients and why are they called micro nutrients?

Answer 1

Micronutrients are those nutrients that are needed by the plants in small quantities. It is called micronutrients because micro means small amount.
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Answer 2

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➡ They are needed in very small amounts.

➡ They include iron, manganese, copper, molybdenum, zinc, boron, chlorine and nickel.

➡ Essential elements are also grouped into four categories on the basis of their functions. They are:-

◼ Components of biomolecules and structural elements of cells.

E.g. Carbon, Hydrogen, Oxygen,

Nitrogen.

◼ Components of energy-related chemical compounds .

E.g. Mg in chlorophyll and phosphorous in ATP.