1, choose seeds: choose healthy and full lettuce seeds, put them into water to soak for 4~8 hours. 2, soil: choose loose, fertile, well-drained soil. 3, planting: plant the seeds into the soil, and then cover with plastic film, when most of the lettuce seedlings, you can remove the film. 4, management: after sowing to keep the soil Shu Moisture, and timely remove the edge of the surface of the cover, if the temperature is too high, it should be appropriate shade! , the sun should be properly shaded.

Lettuce introduction

Lettuce, also known as lettuce, lettuce for the Asteraceae lettuce lettuce species can form a fleshy tender stems of the varieties, originating in the Mediterranean coast, about the fifth century into China.

Lettuce above ground stems are edible, stem skin white green, stem flesh crisp, young tender stems bright green, mature transformation of white green, can be eaten raw, cold, fried, dried or pickled, adaptable, can be spring and fall or over-wintering cultivation, spring cultivation, summer harvest.

The suitable temperature for lettuce stem and leaf growth is 11~18℃, when the temperature exceeds 20℃, it will be dwarfed in advance, overgrowth and shoots, and the temperature required for normal growth can be regulated by uncovering the grass curtains, ventilation and other measures.