Question

1. Nitrogen is essential nutrition in plant growth. But farmers who cultivate

leguminous plants like pea plants and grams do not apply nitrogen fertilizers
during cultivation. Why? How does this practice help the farmers?

Answer 1

Nitrogen is an essential macronutrient for plant function and is a key component of amino acids, which form the building blocks of plant proteins and enzymes. Proteins make up the structural materials of all living matters and enzymes facilitate the vast array of biochemical reactions within a plant.

Step-by-step explanation:

Therefore, the nitrogen deficiency of the soil is fulfilled by the nitrogen fixed by the nitrogen-fixing bacteria present in the root nodules of leguminous plants. Hence, external supply of nitrogenous fertilizers is not required to be added in soil in which leguminous plants are grown.

Answer 2

Nitrogen is essential for plant growth, but farmers who cultivate leguminous plants like pea plants and grams do not apply nitrogen fertilizers during cultivation. This is because leguminous plants have the ability to fix nitrogen from the atmosphere into the soil, making it available for other plants to use. This practice helps the farmers by reducing the need for nitrogen fertilizers, which can be expensive.

Step-by-step explanation: