Precautions for vegetable seedlings in summer

Doing a good job of summer vegetable nursery is of great significance to promoting the increase of the annual vegetable production and farmers' income. How to do a good job in summer vegetables education should pay attention to the following:

1, lyricism. Summer nursery due to higher temperatures, seedlings easy to lose moisture, to be irrigated in the car, there is a clear water spilled into the car. In general, seeds are required to be sown in multiple passes, and individual adjustments are made. The precious seeds are required to be filed with a string of rice dumplings before and after sowing, and then watered after the seeds are sprayed. After pouring enough water, seeds are sowed in the cross. One grain for each cross, cover and cover fertilizer after planting, in order to facilitate the emergence of seedlings.

2, the environment. In summer, the temperature of vegetable seedlings is higher, and more rainstorms occur. After the seeds are sowed in seedbeds, they must be placed on the seedbeds with a height of about one meter. The shades should be placed in the form of a roof, framed by a film, and the corn stalks or branches on the film should be pressed to prevent sunlight. Direct and heavy rain washed away so as not to burn the seed buds or flush them into the soil.

3, pest control. After the seedlings are unearthed, they are required to prevent and control leaf-jumping beetles, aphids, cabbage caterpillars, and small ground tigers; and diseases should be controlled to prevent seedling diseases.

Implanted surgical instruments pack

Medical blister is divided into three categories according to the safety of its use: the first category refers to medical devices that are safe and effective enough to be guaranteed through routine management. The second category refers to the medical devices that should be controlled for their safety and effectiveness. The third category is implants to sustain life; Potentially dangerous to the human body, its safety, effectiveness must be strictly controlled medical devices.

Different from ordinary medical device Packaging and production environment requirements

1. Production environment requirements: clean workshop of the same grade;

2. Mold requirements: aluminum alloy mold with high precision is selected for production, copper mold and gypsum mold will produce mold, only aluminum alloy mold is relatively safe mold;

3. Choose environmentally friendly sheet: ensure that the blister packaging will not affect the device after contacting it. General medical device manufacturers will carry out another cleaning and mold process when packaging;

surgical instruments pack; Aseptic device packaging; Disposable packaging apparatus blister

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