In greenhouses, strawberries must be protected against cold in winter so that the plants can be allowed to overwinter in winter to prevent the death of plants from affecting the yield due to freezing. 1. Do a good job of freezing and keeping warm. Greenhouse strawberry, to pay special attention to cold and freezing work, should be sprayed in a timely manner new high-fat film insulation antifreeze; film to tighten the seal, pay attention to prevent the wind blown, at night can be covered with straw, etc.; conditional, can be in the shed Build sheds, double insulation protection. 2. Loose soil weeding. Before the winter, we must weed the strawberry land to prevent weeds and strawberries from competing for light, competing for fat and competing for water. 3. Strengthen the winter crop field management. Strawberry has higher moisture requirements, the soil should be kept moist, and it should be watered in time when it is dry. The timely spraying of fruits and bolognese enhances the quality of pollen fertilization, and the rate of fruit set in circulation is strong, which promotes fruit development. Strawberries are also not tolerant, and should be drained in time when there is water in the soil in rainy weather. 4. Winter cold strawberries have stronger cold resistance, but they are afraid of cold wind. After pouring frozen water, it can cover wheat straw, rice straw, straw bags, leaves, and membranes, etc. Further spraying of the tree protection general can protect the flower buds from winterization and prevent frost damage. 5. Timely prevention of pests and diseases, strawberry disease virus disease, chlorosis, gray mold, bud blight, powdery mildew, snake eye disease, etc., should be promptly prevented according to the requirements of plant protection, can be sprayed with targeted drugs and spray a new high-fat membrane 800 Doubling fluid enhances efficacy, increases the utilization of effective pharmaceutical ingredients, and consolidates control effects. covid19 Anesthesia Medical Co., Ltd. , https://www.medicaldiverse.com