Planting lettuce, mastering these methods to easily improve quality
Lettuce is a vegetable that is often seen in the market. It is a vegetable variety introduced from abroad. It has a strong fragrance, contains calcium, iron, selenium and other essential elements for the human body, and has high nutritional value. It is the top product in vegetables , Known as the "Phoenix Tail", so what methods are used to grow lettuce?
1. The adaptability of field preparation, lettuce, and rape is better, and there is no particularly strict requirement for soil selection. Before planting, apply basal fertilizer, and then plow. It must be deeper, so that the lettuce can grow better.
2. Before sowing seeds, water the soil to a certain degree of moisture, then spread the seeds, and then cover with a layer of soil. If it is planted in winter, you can cover it with another layer of film to sprout faster. Remove the film when the seedlings grow out.
3. Planting lettuce grows very fast. Generally speaking, it can be planted in about seven days after germination. Be sure to pay attention to a reasonable distance when setting the value. The distance between the two plants is about 20 cm, and then the distance between the two rows is 15 cm.
Fourth, the management of lettuce grows faster and has a higher demand for nutrients. There are three top dressings in the later period. When there are five leaves, chase the fertilizer for the first time, when the leaves grow to 20cm, chase the fertilizer for the second time, and chase the fertilizer for the last time before harvesting.
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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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