Lettuce planting: what to do with lettuce seeds?

What do you do with lettuce seeds? How to sprout lettuce seeds with high temperature in summer? Ask experienced netizens to help guide lettuce to avoid high temperature rather than cold. The seeds begin to germinate above 4 ℃, the optimum temperature for germination is 15-20 ℃, and the high temperature is suppressed above 30 ℃. Therefore, except in the high-temperature season, there is generally no need for treatment before sowing lettuce seeds. From July to August, it is generally necessary to accelerate germination because of the high temperature. The methods of accelerating germination of lettuce are as follows: 1. Soak the seeds for 2 hours and then wrap them with wet sand cloth, hang them in a water well or put them in a cave or refrigerator for 3-4 days for low temperature germination, and then sow most of the seeds after germination. 2. When the seeds were treated with plant hormones, such as soaking seeds in ppm solution for 3 minutes or gibberellin 5 microliters / liter (ppm) solution for 6 hours, the germination effect was good. Click for more lettuce planting techniques click to get more vegetable planting techniques