Question

how the atmospheric nitrogen is fixed in the soil by the plant. explain with the help of a nitrogen​

Answer 1

Explanation:

Nitrogen can be fixed in a laboratory by combining N2 with hydrogen (H) at high temperatures and under great pressure. The bond between the nitrogen atoms is broken and the atoms recombine with hydrogen to make ammonia. This ammonia is then used as a key ingredient in fertilizer, which is used on crops.

Answer 2

Answer:

Legume family

They contain symbiotic rhizobia bacteria within nodules in their root systems, producing nitrogen compounds that help the plant to grow and compete with other plants. When the plant dies, the fixed nitrogen is released, making it available to other plants; this helps to fertilize the soil.