Spinach is a kind of vegetable that is very suitable for autumn planting. Its nutritional value is obvious to all. It is a vegetable that people love very much. Because the stems and leaves are relatively fresh, it is often used for single-roasting, roasting soup, stir-fried with leeks, so that it appears. A variety of dishes, often eat autumn spinach, for high blood pressure, night blindness patients, muscle relaxers have a good effect, then to plant high-yield and good quality spinach, what methods should be noted? Let's go check it out!
How to improve the yield and quality of autumn spinach
1. Spinach planting time: The most suitable planting time for spinach is spring and autumn. The planting time in spring is between March and May, and the planting time in autumn is planted in August to October every year. In addition, spinach can be grown in winter and summer, but the growth is not as good as the spinach in these two seasons.
Selection of spinach varieties: Autumn is the most suitable season for spinach cultivation. Spinach grown in this season has good growth, thick leaves, less pests and diseases, and fast growth. Most spinach varieties are suitable for planting. When selecting a specific variety, it is possible to select varieties that have strong cold resistance, good resistance, and stable yield for planting.
Planting autumn spinach
2. Soil preparation and fertilization: Spinach is well-prepared for fertilization before planting, laying the foundation for high-yield production in the later period. The main root of spinach grows deep, and the planting plot needs to be ploughed in advance, and the depth of ploughing is about 20 cm. Before the planting of autumn spinach, it is necessary to apply about 4000 kg of decomposed organic fertilizer per acre of land, and use 25 kg of superphosphate.
3, spinach sowing: spinach seeds can be properly germinated before sowing, which can save seedling time. The germination method is relatively simple. Soak the spinach seeds in water for about 12 hours, remove the mucus from the seeds, and then put them on a damp cloth for germination. Generally, the spinach seeds can be exposed for about three days, and then the seeds can be sown. It is. Spinach seeds can be directly spread, and the amount of seeds per acre is about 5 kg. If the sowing time is late, the seeding rate can be increased appropriately. After sowing, cover a layer of thin soil to keep the soil moist. The spinach can be completed in about 5 days to 7 days.
Autumn spinach planting method
4, spinach management: spinach growth process, the most need to pay attention to the problem of topdressing and watering, here mainly talk about these two aspects. The first is fertilization. In the early stage of spinach growth, there is almost no topdressing. The main fertilizer in the field is used to supply spinach. After the spinach grows into the middle and late stages, one or two quick-acting nitrogen fertilizers can be appropriately applied according to the growth condition of the spinach, and the ammonium sulfate can be applied with about 15 per acre of water. During the fertilization process, be careful not to spread the fertilizer in the heart of the leaf to avoid causing damage.
Followed by watering, spinach growth process requires a large amount of water, sufficient water is conducive to leaf growth and increase production. Watering needs to be done according to the dry and wet conditions in the field and the weather conditions. In the season when the rain is abundant in autumn, it is necessary to control the amount of watering, and at the same time do the drainage work in the field to avoid water accumulation in the field and cause the roots of spinach to rot. If there is less precipitation, the field is generally about one to ten days, watering according to the field sensation, timely watering after watering, avoiding soil compaction and reducing moss growth.
5, timely harvest: want to get a good spinach production, naturally, it is inevitable to harvest at the right time. Spinach grows faster and can be harvested 30 to 50 days after planting. Harvesting can be carried out in batches according to market conditions. Generally, autumn spinach can be divided into two harvests.
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