Question

Differentiate between micro and macro nutrients in plants.

Answer 1

1. Macro-nutrients: The nutrients that are required by the plants in greater amounts are known as macro-nutrients.
2. Micro-nutrients: The nutrients that are essential for the plants in lesser amounts are known as micro-nutrients.

Macro-nutrients	Micro-nutrients
1. The nutrients that are required by the plant in greater amounts are known as macro-nutrients.	1. The nutrients that are essential for the plant in lesser amounts are known as micro-nutrients.
2. 0.2 to 0.4 % of dry weight of plant.	2. 0.1 to 0.02% of dry weight of the plant.
3. Nitrogen, phosphorous, potassium, sulphur, calcium and magnesium.	3. Boron, manganese, chlorine, iron, zinc, copper, nickel and molybdenum.