Spring fertilization. Including early spring base fertilizer and quick-applied fertilizer in late spring. In the late spring, the quick-to-apply fertilizer is dominated by nitrogen fertilizer, which takes place before and after germination in April-May. General adult trees excavate small pits on the outside of the trees. Each plant topdresses urea and organic fertilizer. Young trees are reduced.
Plowing and refurbishing the tree tray in the spring. Ploughing in the spring is carried out after the soil is thawed. The depth of ploughing is 30-40 cm, and the depth from the trunk should be shallow to avoid breaking the big roots. It is inappropriate to plough the areas and seasons where there are many winds and winds in spring. Spring ploughing in mountainous areas should be done in conjunction with repairing the tree tray.
It can prevent some medicine or blood from splashing on the face, thus protecting the eyes. This kind of glasses is generally used in conjunction with masks and surgical caps to fully protect the doctor's head.
[Functions of medical eye masks]
1. Prevent blood, potion and other liquids that cause damage to the skin from causing unpredictable damage to the eyes.
2. It can prevent the impact of objects on the eyes during close surgery.
3. The inner space of the eye mask is large enough for doctors who wear myopia glasses.
4. The breathability must be good, generally there are vents
Protective goggles,disposable medical equipment,personal protection,daily protection
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