In ploughing, the soil is loosened and turned.

Answer

**Step-by-Step Solution:**

1. **Understanding Ploughing**: Ploughing is the process of loosening and turning the soil. This is the first step in preparing the soil for planting crops.

2. **Purpose of Ploughing**: The main reasons for ploughing include:
- Loosening the soil to allow air to penetrate.
- Increasing the soil's capacity to retain water.
- Mixing nutrients into the soil, which helps in better crop growth.

3. **Benefits of Loosened Soil**: When the soil is loosened:
- It improves aeration, which is essential for root respiration.
- It enhances water retention, ensuring that plants have enough moisture.
- Nutrients from the soil are more accessible to plants, promoting healthy growth.

4. **Conclusion**: Therefore, the statement "In ploughing, the soil is loosened and turned" is true. Ploughing is a crucial step in soil preparation that leads to successful crop production.

5. **Next Step**: After ploughing, the next step in crop production is sowing, where seeds are planted into the prepared soil.

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