Question

2. Describe the role of nodules in a pea plant in providing nitrogen to the soil.​

Answer 1

Answer:

They contain symbiotic bacteria called rhizobia within the nodules, 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 and this helps to fertilize the soil.

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Answer 2

Answer:

Nitrification

Explanation:

Root nodules of pea plant have some nitrifying bacteria (rhizobium) that converts atmospheric nitrogen into some usable compounds like ammonia(NH3) or nitrates (NO2- ,NO3-)