Legumes fertilise the soil but cereals do not, why?

Explanation

**Step-by-Step Solution:**

1. **Understanding Legumes and Cereals:**
- Legumes, such as peas and beans, belong to the family Leguminaceae. They have a unique ability to enrich the soil.
- Cereals, like wheat and rice, do not have this capability.

2. **Role of Rhizobium:**
- Leguminous plants have root nodules that contain a specific type of bacteria called Rhizobium.
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