Question

sometimes farmers grow pea plants as an alternative crop why?

Answer 1

Answer:

Pea is a leguminous plant. Growing pea plant along with wheat crop helps in enrichment of soil due to nitrogen fixing property of leguminous plants. To maintain the fertility of the soil farmers use crop rotation. ... This practice of growing alternative crops is known as crop rotation.

Explanation:

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Answer 2

Leguminous plants have rhizobium bacteria in their root nodules. they convert atmospheric nitrogen into soluble nitrogen compounds which can be used by plants. so farmers grow leguminous plants between two main crops to enrich the soil withnitrogen and to reduce the use of chemical fertilizers