1. The selected varieties of spinach can be divided into five varieties: rooted spinach, burying spinach, spring spinach, summer spinach and autumn spinach. Therefore, planting winter spinach should use hardy varieties such as spiny seed spinach or spinach.

2. Fertilization for soil preparation Fertilizer field should be fertile and well-preserved. Before ploughing Mushi quality farmyard fertilizer 5-6, compound fertilizer 40 kg, intensive cultivation, leveling and making. Make sure to keep a moderately clear wind barrier when setting up the site. 1. The selected varieties of spinach can be divided into five varieties: rooted spinach, burying spinach, spring spinach, summer spinach and autumn spinach. Therefore, planting winter spinach should use hardy varieties such as spiny seed spinach or spinach.

2. Fertilization for soil preparation Fertilizer field should be fertile and well-preserved. Before ploughing Mushi quality farmyard fertilizer 5-6, compound fertilizer 40 kg, intensive cultivation, leveling and making. Make sure to keep a moderately clear wind barrier when setting up the site.

3, timely sowing overwintering spinach before the stop growing, when the plants reach 5-6 leaves, only have a strong cold hardiness. Therefore, when the average temperature dropped to 17-19°C on that day, it was the best choice for sowing. The method is: first soak the seed with warm water of 35°C for 12 hours, remove and spread dry or sowing, and then cover the soil and step on water after sowing. Then, the drug mixed gluten was spread on the surface to prevent the earthworms from damaging the seedlings.

4. Pre-winter management After spinach is sprouted and unearthed, it is necessary to carry out a shallow hoeing and retrenching soil to play a role in weed control and conservation. When the plants grow 3-4 leaves, to keep the soil moist, and top-dressing; as soon as the plant grows 5-6 leaves will stop growing, it is necessary to timely seal the frozen water, the timing of watering should be controlled in the soil surface Frozen night. Pouring water is best to use manure, which is conducive to spinach accelerated growth in early spring.

Disposable Silicone Laryngeal Mask Airway

The Laryngeal Mask Airway is the non-surgical and invasive device used for human body cavity in the short time, which is not in association with active medical devices. It can establish an artificial airway when the cuff of laryngeal mask tight covers the throat during the anesthesia and emergency treatment. It is also useful in situations where manipulation of the head or neck to facilitate endotracheal intubation is difficult or unsuccessful.

The Silicone Laryngeal Mask is with perture bar or without aperture bar avaliable. The purpose of aperture bar is in order to prevent a large epiglottis from falling into the aperture, blocking and occluding the airway.

Features:

1. Latex free, single use, EO sterilization, CE mark;
2. Individual paper-poly pouch or blister is optional;
3. Made of medical-grade silicone;
4. The color of the cuff can be customized: blue, yellow, clear;
5. Both with and without aperture bar is available;
6. Smooth connecting, very high quality.

Standard disposable silicone laryngeal mask airway and reinforced laryngeal mask airway can be selected

Surgical Laryngeal Mask Airway,Lma Laryngeal Mask Airway,Medical Disposable laryngeal mask airway

Hangzhou Trifanz Medical Device Co., Ltd , https://www.cfzmed.com