Methods of sowing and raising seedlings of lettuce

Lettuce can be direct seeding, can also be transplanted seedlings, spring and summer to direct seeding, autumn and winter can be seedlings can also be direct seeding. 1, soaking germination: summer and early autumn temperature is high, seed germination is inhibited, can be soaked with warm water for 3 hours, then wrapped with towels or gauze, placed in the well (20-30 cm from the water surface) every day to take out cold water twice, conditional can also be placed in the refrigerator or fruit cold storage for low temperature treatment, promote germination. 2, sowing and planting: direct seeding can be based on soil fertility, season, plant size, according to 25-30 cm plant spacing, first watering foot water, put 4-5 seeds, and then covered with fine fertilizer soil, keep the soil moist, 5-7 days can emerge. 2-3 1-2 times of seedling at leaf time, 4-5 leaves for seedling determination. Seedling should be prepared first seedbed, apply sufficient base fertilizer, according to 20 square meters after germination of 80-100 grams of seeds, sowing cover 0.3-0.5 cm of fine manure, covered with a layer of straw or loose hair, and then water with a watering can. After emergence, gradually remove the mulch and plant when the seedlings are 10-15 cm and have 4-5 leaves.