In recent years, during the winter and spring seasons, many melon farmers build nurseries for seedlings. However, most of these facilities are simple greenhouses with limited insulation capabilities. To compensate, farmers often cover the structures with multiple layers of plastic film—sometimes as many as five or six layers. While this improves heat retention, it significantly reduces light transmission and ventilation, leading to poor growing conditions inside.
Some farmers even use old, worn-out films to cut costs, further lowering light levels. As a result, the seedlings often suffer from low temperatures, insufficient light, and high humidity, which increases the risk of disease. This has become a major challenge in melon cultivation.
To address these issues, the author proposes several practical solutions. First, instead of using traditional arch-shaped greenhouses, melon seedling nurseries should be built in insulated winter-greenhouses or specially designed small warm-weather nurseries. These structures provide better insulation while allowing more natural light to enter, reducing the need for multiple film layers. This not only improves temperature control but also makes ventilation easier without risking cold damage.
If building in an arch greenhouse is unavoidable due to space or resource constraints, certain measures must be taken. The plastic film used should always be new and of good quality, and no more than three layers should be used. If additional heating is needed, electric heaters, bulbs, or warm water bags can be employed. When possible, proper ventilation and dehumidification should be maintained to prevent excessive moisture buildup. Additionally, the plastic covering should be cleaned regularly to maximize light penetration and support healthy plant growth through better photosynthesis.
By implementing these strategies, farmers can create a more favorable environment for melon seedlings, ultimately improving yield and reducing disease risks.
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