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What are macro-nutrients and why are they called macro-nutrients

Thursday, 4 July 2013
Q. No. 1:

What are macro-nutrients and why are they called macro-nutrients?
Ans:


Macro-nutrients are those nutrients which are required in large quantities for growth and development of plants. Since they are required in large quantities, they are known as macro-nutrient. The six macro-nutrients required by plants are nitrogen, phosphorus, potassium, calcium, magnesium, and sulphur.

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