Give one example of biofertiliser

Explanation

**Step-by-Step Solution:**

1. **Understanding Biofertilizers**: Biofertilizers are substances that contain living microorganisms, which can be bacteria, fungi, or cyanobacteria. They are used to enhance soil fertility in a natural and eco-friendly way.

2. **Function of Biofertilizers**: These microorganisms help in providing essential nutrients to the soil, promoting the absorption of nutrients by plants, and supplying organic matter. This process improves the overall health and growth of plants.

3. **Benefits of Using Biofertilizers**: The use of biofertilizers minimizes the need for chemical fertilizers, which can lead to soil and water pollution. They are considered a sustainable option for organic farming.

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