As the weather gets hotter, cold dishes are called one of people's favorite foods. Lettuce is undoubtedly the simplest kind of cold dish. How to raise the potted lettuce in the family?
Lettuce like cold environment, don't stuffy it in the house, always ventilate. The most suitable growth temperature is 15 ~ 20 ℃. If the seeding temperature should also be controlled in this range, if it is higher than 25 ℃, the growth of seeds will be inhibited, and if it is higher than 30 ℃, the seeds will not germinate.
Lettuce has a strong cold resistance, can tolerate a short period of low temperature, winter temperature in 12 ~ 13 degrees Celsius growth robust.
During the growth of lettuce, the soil should be kept moist and not too dry. The main valuable part of lettuce is the leaves. Sufficient water can ensure that the leaves are green and glossy, especially when the lettuce is mature, more water is needed to ensure that the leaves are green and picked timely.
Generally, water once every 2-3 days, once in the morning and evening in high temperature weather. Water frequently with small water. Do not water the day before harvest.
Family planting environment is worse than natural environment, including poor ventilation and watering, which will cause diseases and insect pests. Common diseases and insect pests are: aphid, soft rot, virus disease. Pull out the diseased plant in time when the disease occurs. Family planting suggests not spraying medicine. If you are sick, just throw it away.
Planting is not too dense, strengthen ventilation, keep the planting environment clean, can effectively prevent the occurrence of pests.
Lettuce has a strong growth ability. It can be picked and eaten about 40 days after sowing.
