Planting time: Lettuce planting can be sowed from from February to March or August to October each year; planting method: lettuce sowing, overpowering in advance and applying bottom fertilizer; before sowing, the seeds should be placed in warm water in warm water. Soak for 6 hours, then place the seeds in a cool place. After drying it, you can sow in the soil. Finally, cover a thin layer of soil. Watering and waiting for germination.
When the lettuce is sown in Spring 2 to March, not only does the survival rate be high, but also the germination speed is faster. If it is cultivated in the greenhouse, sowing can also be performed in June to July in summer. At this time, you need to use sunscreen with shading mesh, or you can also cultivate in the astigmatism. However, the temperature is high in summer, the seeds are difficult to germinate, and it may not even germinate.
When sowing in the autumn from August to September, the shading net is also required. The seeding in autumn is higher than the germination rate of sowing in summer. , Also control the temperature at about 15 ° C.
After the lettuce is sowed, you need to water it in time to ensure the moisture of the soil, especially when sowing in summer, watering. At the same time, weeds around the lettuce should be removed regularly, and nitrogen, phosphorus, potassium fertilizer is applied every 20 days, so as to promote lettuce grow better.