Question

What are macro-nutrients and why are they called macro-nutrients?
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Answer 1

Answer:

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.

Answer 2

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(1).Macro-nutrientsare nutrients required in relatively large quantities for growth and development of plants.

(2). They are six in number.

(3).Since they are required in large quantities, they are known as macro-nutrient.

(4).The six macro-nutrients required by plants are nitrogen, phosphorus, potassium, calcium, magnesium, and sulphur.

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