Greenhouses need to be well-protected against snow and frost. To prevent damage from heavy snowfall, it's essential to clear snow regularly, avoid using salt or heated methods that could harm the structure, and reinforce the greenhouse frame with additional supports to prevent collapse. Any collapsed sections should be repaired immediately to avoid further structural issues.
Wind and frost protection is equally important. A thorough inspection of the scaffolding and support structures should be conducted, and any weak points should be reinforced. The plastic film covering the greenhouse must be tightly secured, and all doors and windows should be closed promptly to prevent wind from lifting the cover. Insulation measures such as non-woven fabrics, shade nets, or multiple layers of covering should be used to retain heat inside the greenhouse. Small arches can be added over the greenhouses, and incandescent lamps can be used to protect seedlings. Heating systems or fire sources can also be activated to raise both air and ground temperatures. When the weather improves, the plastic films on smaller and medium-sized greenhouses should be opened gradually to allow for proper ventilation.
In addition, a strict "four prohibitions" policy should be enforced: prohibiting sowing, transplanting, the use of pesticides, and applying fertilizers during adverse weather conditions. This helps ensure the safety and health of the crops until more favorable conditions return.
Soybean Lecithin oil is a byproduct of soybean oil production. It is a natural emulsifier and is commonly used in food, pharmaceutical, and cosmetic industries. Here are some related information about soybean lecithin oil
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