When to sow bitter lettuce? Planting techniques and suitable temperature and humidity

SummarySeason: In the south it can be cultivated in all four seasons, and planting from September to November is best. Seedling raising: In summer, sow after low-temperature germination promotion; in winter, use seedbed seedling raising. Seeds: The suitable germination temperature is 15-20°C. Sprouting: Keep the soil moist, avoid too dry or too wet; after the cotyledons unfold, appropriately control moisture. Watering: If the temperature is too high, shade is needed. Diseases: Pests and diseases are relatively few, mainly preventing cutworms. Harvest: About 40 days after transplanting, it can be harvested, generally choosing to harvest on a sunny morning.

Bitter lettuce is mainly a Mongolian plant, also distributed in Korea. This plant has many uses. Through heating and sterilization it can be used medicinally, including promoting tissue regeneration and stopping bleeding, and clearing heat and detoxifying. It can also be used as feed and food. The lanceolate leaves can be used as poultry feed, and the whole plant can be pig feed. They are very popular. Now let us learn about its planting techniques together.

Bitter lettuce planting techniques (when to sow)

1. Planting time. Note that seed sowing requires special treatment, and the seeds also need soaking, carried out in warm water at 40 to 45 degrees, 2 hours before sowing, remove the seeds from the water. When sowing, choose slopes and flat areas for planting. The fertilizer applied to the soil is 3000 kg. The depth of the soil pit should not be too deep; a depth of 25 cm is most suitable. The planting time can generally be from the end of February to the end of May.

2. Seed selection. Better quality needs to be prepared. By selecting and preserving relatively good seeds, this is the premise of everything. No matter what is planted, seeds are the first priority. The selected seeds should not be chosen just because they are cheap, thereby missing out on high-quality seeds.

3. Awakening and germination. We choose the soaking germination method, placing the seeds in warm water to soak. The seeds absorb a large amount of water, enough for the seeds to breathe, and thus they will awaken and germinate.

4. Planting soil. Choose sandy loam soil without pits or water accumulation, then choose flat land on hillsides.

5. Sowing. Generally broadcast sowing and drill sowing are used, but sowing must be uniform. Drill sowing means sowing in long rows, controlling a certain spacing, and then planting in the soil.

6. Maintenance. When the seeds have been sown, this is only the beginning. The next step is watering, and the watering must be thorough. When the climate is relatively dry, straw or cloth can be used to retain moisture. Afterward, more observation is needed, paying more attention to the soil moisture and controlling humidity well. If you really do not understand, you can ask others; you cannot plant arbitrarily.

Suitable temperature and humidity for bitter lettuce

Generally speaking, bitter lettuce can be planted from late February to late May, and the temperature at sowing is about 10 degrees Celsius. However, these differ with different regional temperatures, so the humidity will also differ. Whether planted in open fields or indoors, the humidity needs to be maintained at about 15 percent.

During the seedling stage of bitter lettuce, watering and pest and disease management are essential. At harvest, when the moisture content drops by about 15%, bundle and dry the seeds to ensure safety and effectiveness. In this way the seed quality will be high, and there will also be sustainable use.