Cold damage prevention measures for vegetables in greenhouses
Consultation: May I ask an expert how to prevent and remedy the cold damage of greenhouse vegetables?
Answer: 1. According to the weather forecast in a timely manner to take precautions against temperature, warming. Such as increasing the inside and outside cover of greenhouses, retroreflective film on the back wall of greenhouse, clearing the snow on the shed film after snow, and adjusting the time of depaneling and covering the curtain according to the weather and temperature conditions.
2. When the greenhouses are exposed to continuous yin and rain and snow are clear, the plants can be sprayed with clear water or nutrient solution; when the curtains are exposed, they must be alternated to prevent the temperature in the shed from rising too fast; when the temperature and ground temperature are basically coordinated and the plants adapt, Refill with water and fertilize to promote the recovery of the plant as soon as possible.
3. At low temperatures, the root system will be damaged. In the crop before the restoration of growth can be applied more love, strong rooting seedlings and other agents to promote root recovery as soon as possible.
4. For the plants with frozen leaves, foliar potassium dihydrogen phosphate or Yunda 120, cold-resistance agents for plants, and Tianda 2116 can be sprayed to increase the cold resistance of the plants. Http://Content/833d3449-a849-4850-b26c-cf95c978e1f7?cType=2
Walking aids is an auxiliary device to assist the human body to support weight, maintain balance and walk. It can also be called walking aids, walking stands or walking aids. Among walking aids, walking aids can provide the greatest support and stability. Therefore, it is mainly used for patients with weak strength and poor balance, such as the elderly after orthopedic surgery, patients with poor coordination and Parkinson's disease, and children with cerebral palsy or developmental retardation. With the support of equipment, people with less flexible legs can walk and take care of themselves.
According to the structure and function of Walker, it can be divided into two categories: stick walker and frame walker. The walking aid is simple and light in structure, but its supporting area is small and its stability is poor; The frame walker has a complex structure, but it has a large supporting area and good stability.
Before using the walker, the user's physical condition and use environment should be comprehensively evaluated, including balance ability, lower limb bearing ability, gait, upper limb ability, cognitive ability, lifestyle and use environment.
Select a walker
1. The texture should be light and easy for patients to move.
2. The walker should be placed stably on the ground;
3. The height of the walker should be suitable or adjustable. When the patient stands in the walker and his hands are naturally sagging, he can hold the handrails on both sides and apply pressure on the handrails to ensure the support of weight and balance control;
4. The width of the walker should be moderate, not too wide.
TRUTECH CO., LTD. is an enterprise specializing in the research, development, production and sales of professional OTC products.The main products include shower chairs, armrests, toilet racks and toilet armrests, bedside armrests, elderly chairs and sofas, crutches and walking aids, knee pads, waist supports and other equipment.
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TRUTECH CO., LTD. , http://www.trutechealth.com