The planting time and method of the latest spring vegetables
Spring lettuce is a kind of lettuce vegetables, the leaves account for most of the leaves, the stem is short, covered by the leaves, and the ball-shaped lettuce is called head lettuce. So how to grow spring vegetables? Let's take a look at the detailed introduction.
1. Planting time
Spring, as its name implies, is a vegetable on the market in spring, so its sowing time is mostly between October and December. After overwintering, it can be listed on the market in spring and enter people's dining table. However, due to the generally low temperature in the north, it is not suitable for the growth of spring vegetables, so it is generally sown after the soil is thawed, of course, it can also be planted in greenhouse technology.
2. Soil preparation and fertilization
In order to make it grow well, choose a soil with fertile soil, good drainage and no cruciferous crops for many years. Ploughing it many times before planting, raking fine and leveling, for the land that has not planted vegetables, 150 kilograms of lime can be applied per mu after ploughing, which can play an excellent role in disinfection and sterilization and kill underground pests. In the second ploughing, base fertilizer can be applied, generally applying 3000-4000 kg of rotten organic fertilizer and nitrogen and phosphorus compound fertilizer per mu, and then ploughing, and then making beds to wait for planting.
3. Planting method
Sowing can be used to sow or strip sowing, generally about 25 seeds per mu, sowing is to spread the seeds evenly on the border, and then cover a layer of shallow soil, and then watering grass, heat preservation and moisturizing, in order to facilitate seedling emergence. Strip sowing is to trench the border according to the row spacing of 20-30 cm, sow the seeds evenly into the ditch, and then cover the soil and water the grass. Generally speaking, under the conditions of suitable temperature and humidity in the field, the seeds will emerge quickly. When most of the seeds come out, the cover grass should be removed in time to avoid the formation of tall seedlings.
4. Seedling stage management
When the seedlings grow 1-2 true leaves, it is necessary to start the seedlings and remove the dense seedlings. When the seedlings are in the 3-4 true leaves of the second seedlings, remove the overgrown seedlings, thin and weak seedlings, heartless seedlings, diseased seedlings and other inferior seedlings, and control the seedling spacing at 3-5 cm. When the seedlings grow to 5-6 true leaves with a height of more than 10 cm, the distance between seedlings is about 6-7 cm. Weeding should be done easily when the seedlings and seedlings are fixed, and the soil should be watered in time when the seedlings are dry, but it should not be watered too much to avoid rotting roots, and at the same time, topdressing should be carried out according to the growth status of the seedlings, generally 2-3 kg of urea per mu according to the thickness of 4 leaves, irrigated with water, and then 4-5 kg of urea before transplanting.
The above is the introduction of the planting time and methods of spring vegetables. I hope it can help you. If you want to know more about precocious personality, please follow us.
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