Pear tree saplings should be mastered in the winter with the principle of “light cut long and long leave more branchesâ€, mainly for shaping, which can promote the early results of pear trees. When shaping, the trimming methods of each part are as follows:
1. The center is dry. Varieties with weak branching and less germination can be appropriately short-cut, such as sand pear line. For varieties with strong branching and germination, lateral branches can be used as the main head, and appropriate cuts. The original head was flattened to one side and cultured as a temporary result branch group.
2. Main and side branches. It can be lightly cut and slowed down, and the lateral branches with appropriate orientation can be used to prolong the growth, make short cuts, adjust the angle and increase the sharpness of the sharpness. The original head can be replaced and the result can be gradually removed. The varieties with weak branching ability should be properly shortened, generally 30~50cm, and the cut buds should be left on the left and right sides to increase the effective amount.
3. Branch group culture. It is divided into two methods: first, then cut, first cut, and then placed in winter. The Zhongyong branch can be slowly released and cultivate the middle and small branch groups. The strong branches are treated according to the situation, and the varieties with strong branching ability should be gently released first; the varieties with weak branches should be short-cut and then slowly released, so that the branches are close to the backbone branches. All the slow-moving branches are retracted after the result.
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The crutch is a good helper for the elderly to travel, which can help the elderly to maintain their body balance, support part of their weight and reduce the burden on their legs.
Walking stick is the most commonly used walking aid for the elderly, including single-legged walking stick, three-legged walking stick, four-legged walking stick, three-legged walking stick with seat, etc
The surface of the handle should have anti-skid design to prevent it from slipping easily from the hand when subjected to external force. The size of the handle should be such that the thumb and forefinger can overlap to form a closed ring when holding.
The bottom end shall be equipped with a foot pad made of rubber sleeve or other anti-skid materials, which is moderately soft and hard. Generally, the rubber head with moderate hardness is more anti-skid than the hard plastic head.
Only by using crutches with proper length can you feel relaxed, comfortable and safer when walking.
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