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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