A: Winter irrigation is also called frozen water. This watering is called the frozen water of the orchard. After the fruit tree enters the winter dormancy period, the nutrient composition begins to return from the tree to the root. In the winter when the snow is less, the winter irrigation water is stored in the soil, which increases the water content of the soil and prevents the occurrence of drought in winter and early spring. In addition, the increase of water content in the soil is conducive to the absorption of water and nutrients by the root system, thereby increasing the ability of the fruit trees to resist freezing and drought, and avoiding the dry freezing of the fruit trees due to physiological water loss, and ensuring the safe wintering of the fruit trees.

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Power Wheelchair

The fundamental difference from traditional electric scooters, battery scooters, bicycles and other transportation tools is that electric wheelchairs have intelligent operating controllers. According to the different operation methods, there are rocker-type controllers, and controllers controlled by various switches such as the head or blowing system. The latter is mainly suitable for severely disabled people with upper and lower limbs. Nowadays, electric wheelchairs have become an indispensable means of transportation for the elderly and the disabled. It is suitable for a wide range of objects. As long as the user has a clear consciousness and normal cognitive abilities, the use of electric wheelchairs is a good choice, but it requires a certain amount of space for activities.

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