Differentiate between manures and biofertilisers.

Explanation

### Step-by-Step Solution:

1. **Definition**:
- **Manures**: Manures are semi-decomposed organic substances of biological origin, such as cow dung, that are used to enrich the soil.
- **Biofertilisers**: Biofertilisers are living organisms, primarily bacteria, that enhance the nutrient availability to plants.

2. **Functionality**:
- **Manures**: They play a crucial role in maintaining soil structure, preventing erosion, and providing hydration to the soil.
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