The advantages of growing vegetables in glass multi-span greenhouses over film multi-span greenhouses

1. **Better light transmission**: High-quality glass materials can offer a higher light transmittance rate, which means more natural light can enter the greenhouse interior, benefiting photosynthesis in plants and thus promoting crop growth.

2. **Excellent insulation performance**: Glass material itself has a good heat insulation effect. In winter, it can effectively maintain the indoor temperature and reduce heating costs; at the same time, in summer, through shading measures, it can also well control the temperature in the greenhouse, creating a more stable and suitable growth environment for crops.

3. **Long service life**: Compared with plastic films, glass materials are more robust and durable, have strong wind pressure resistance, and are less likely to age and break due to external factors such as ultraviolet rays. Therefore, their service life is usually longer, and in the long run, the economic benefits are higher.

4. **Elegant and Grand**: The design of glass structures is often more modern and aesthetically pleasing. They can not only be used as agricultural production sites but also be integrated with agritourism projects to attract tourists for visits and experiences, thereby generating additional income.

5. **Easy to Clean and Maintain**: The glass surface is smooth and flat, making it easy to clean and maintain a clear view while also enhancing light utilization. Additionally, in case of local damage, it is relatively easy to replace and repair.

Of course, the choice of which type of greenhouse to use also depends on specific needs (such as geographical location, climatic conditions, investment budget, etc.). Although glass multi-span greenhouses have many advantages, their initial construction costs are relatively high, making them less suitable for some situations with limited funds or short-term use. In contrast, film multi-span greenhouses, with their lower costs and quick assembly, are more attractive in certain circumstances.