Lettuce seedlings speak

Seed treatment. Seedlings due to low emergence rate should be seed cryogenic treatment. The method is to soak the seed for 12 hours, then wrap it in the refrigerator (2°C-5°C) for 2 days, and then spread it in the cool place until the seed cracks and germinates before planting.

sowing. Sowing should prevent uneven density. Before sowing, water should be poured one time. 3-3.5 grams per square meter should be sown. The shade net on the ground should be cooled, moistened, and then removed after emergence.

Seed management. Seedlings should be protected from rainstorms and high temperature and drought. Rainproof nursery and shade nets can be used to cover nursery. The shade net is usually covered in the morning from 8 am to 4 pm on sunny days and it can be uncovered at night or on cloudy days. Dry weather should be watered more in the morning and evening, and can be top-dressed with watering.

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