Celery and lettuce are two of the most popular vegetables, but most of the market is cultivated in traditional soil. The soilless cultivation of the column is adopted, and the annual output per mu can be increased by about 3,700 kilograms. Regarding the technique of soilless cultivation of celery and lettuce, many people want to know that it is very simple. Let's go to learn with Xiaonong.

1. Selection of varieties

The selection of lettuce varieties should be heat-resistant and cold-tolerant, and the varieties with longer harvesting period, celery should be selected as the first choice for disease resistance, low temperature tolerance and high yield.

2. Sowing and seedling

Lettuce can be planted throughout the year, except for summer, the rest of the season can be germinated according to normal methods. In the hot season, it is necessary to soak the seeds first, then germination for eight hours in a zero-degree incubator, and then wait until 80% of the buds are below 15 degrees to be sown. The celery needs to remove the thorns from the seeds first, heat the seeds at 50 degrees and stir for fifteen minutes, then soak them in water for 12 to 14 hours. After panning, put them in an incubator at 15 to 20 degrees. In the middle of the germination, wash every four to six hours, wait for 60% of the buds to be sown. Seedlings are selected for soilless seedlings, and peat can be used.

3, colonization

Soilless cultivation of lettuce has a low requirement for seedling age, and it can be planted after emergence, with three leaves and one heart as well. There are two to five pieces of celery that can be colonized. Wrapped in rock wool and placed in a custom-made cup, the lettuce is placed on a three-dimensional cultivation pot, and the celery is planted on a flat planting board with a plant spacing of twenty to twenty.

4. Management after planting

After the planting, the nutrient solution is used in one-half of the amount, and the growth period is changed to the normal dose, and the EC and HP values ​​are periodically detected every week. Lettuce celery is a cold crop, the growth temperature is about 15 to 20 degrees, and it needs to be shaded and sprinkled to cool down in summer, and warmed in winter.

   When the cultivation is carried out, a pest control net is set in the greenhouse, and no seedlings are used for breeding, and there are few pests and diseases. Insect pests are mainly aphids, and physical insecticides can be effectively solved.

5, harvest

When the lettuce is long enough, it can be harvested and packaged, and the prepared seedlings can be put into the custom cup at any time. With the picking, the market is listed during the Spring Festival, the price is high, and the economic benefit is good.

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