First, clean gutter drainage to ensure smooth drainage and improve root vitality.
Second, thermal insulation
1. Clear the snow in the greenhouse in time to prevent the snow from over-compacting and collapse the greenhouse; restore the infrastructure such as collapsed greenhouses as soon as possible, and replace the agricultural film in time.
2, the use of multi-layer covering insulation should adopt the "house + shed + shed" and other forms, multi-layer covering insulation.
3, open-air vegetables available shade nets, non-woven fabrics, straw, etc. for floating surface coverage temperature antifreeze.
Third, increase the application of phosphorus and potash fertilizer management to control the application of nitrogen fertilizer, increase the application of phosphorus and potassium fertilizer, conditional farmers can disperse the plant ash, prevent vegetable growth, increase the resistance of vegetables to low temperature environment.
Fourth, to strengthen the prevention and control of pests and diseases Greenhouse vegetables should pay attention to the prevention and treatment of diseases such as gray mold, can be chlorothalonil, procymidone, acetaminophen and other chemical control; exposed vegetables should use low-toxicity counterparts pesticides, timely control of overwintering pests and diseases.
Demetdent announced the release of the our company`s wet/dry milling machine. It was added to the Demetdent family of dental milling devices in answer to our lab and dental users need for a wet-milling option to handle many of the new brands and materials. The wet/dry milling machine fills a gap in many dental restoration workflows, giving laboratories the added flexibility of milling glass ceramic, composite resin materials that are becoming increasingly popular in the industry due to their high translucency, increased flexural strength and hardness, and overall aesthetic value for inlay/onlays.
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