Which one of the following crops enriches the nitrogen content in soil ........

World Geography (Easy) World - Soil and Vegetation

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Which one of the following crops enriches the nitrogen content in soil ?

Potato

Sorghum

Sunflower

Pea

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Explanation:

Leguminous plants like pea would enrich the soil with nitrogen when they are grown as a seasonal crop. Explanation: Leguminous plants like pea contain symbiotic nitrogen fixing bacteria like azatobactor, azolla growing in specialized nodes in their roots. Hence option 4th is correct.