Greenhouses must be equipped with effective anti-snow and anti-dumping facilities to ensure structural safety during harsh winter conditions. It is essential to protect the structures from heavy snowfall, ice accumulation, and potential damage caused by snow removal activities. Snow should be regularly cleared from the roof and surrounding areas, and salt or de-icing agents should be used cautiously to avoid damaging the greenhouse materials. In addition, heated snow systems inside the shed can help prevent ice buildup. Reinforcing the framework of the greenhouse and adding extra support structures are crucial steps to prevent collapse. Any damaged or collapsed sections should be repaired immediately to avoid further structural issues.
For wind and frost protection, a comprehensive inspection of the entire structure is necessary. This includes checking scaffolding, reinforcing the lamination lines, securing the side films tightly, and ensuring all doors and windows are properly closed to prevent wind from lifting the plastic cover. Insulation measures such as using non-woven fabrics, shade nets, or multi-layer covering can significantly improve heat retention inside the greenhouse. Small arches can be added over the greenhouses, and incandescent lamps can be used to provide additional warmth for seedlings. If available, heating systems or fire sources should be activated to raise both air and ground temperatures.
When the weather improves, it's important to open the film on small and medium-sized greenhouses promptly to allow proper ventilation and light exposure. This helps maintain a healthy growing environment for plants.
To ensure optimal growing conditions, strict adherence to the "four prohibitions" is required: no sowing, no transplanting, no use of pesticides, and no application of fertilizers. These measures help protect young plants from stress and ensure they remain strong and healthy during the cold season.
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