Time and Method of Planting Lettuce in Northern Open Field

Lettuce cultivation in northern open field is generally in spring and autumn, generally in April-May, and in autumn in September-65438+10. When planting, we should choose loose and fertile slightly acidic sandy soil with good drainage, and deeply turn the selected plots, and apply sufficient base fertilizer to increase soil fertility.

Planting Time of Lettuce in Northern China

Northern lettuce is generally planted in the open field in spring and autumn, generally in April-May in spring and in September-65438+10 in autumn. These two seasons are conducive to its growth and development. In order to make its seeds grow normally, it is best to plant them in sunny days.

Northern lettuce open field planting method

1. Soil preparation and fertilization: loose, fertile and well-drained slightly acidic sandy soil should be selected for planting lettuce in the open field, and the selected plots should be deeply ploughed, and sufficient base fertilizer should be applied to increase soil fertility.

2. Seed treatment: lettuce needs to be treated before planting. It should be soaked in clear water for about 6-7 hours. After the seeds are saturated with water, they should be wrapped with a wet cloth and placed in an environment with a temperature of 20-25 degrees to accelerate germination.

3. Planting: lettuce seeds can be planted after treatment. Seeds can be evenly spread in the soil by sowing, covered with a thin layer of soil and watered and moistened.

Matters needing attention in planting lettuce in northern open field

1 After lettuce is sown, it is necessary to keep warm and moist. During the day, the soil temperature should be kept at 12-20 degrees, and at night it should be kept at about 5-8 degrees.

2. When lettuce grows, it needs to be fertilized regularly. Generally speaking, it is enough to apply fertilizer three times during the whole growth period, and high-nitrogen compound fertilizer can be used.