1、 A variant of what

Lettuce is a variety of lettuce. It is a common vegetable and belongs to the genus lettuce of Compositae. It is popular in both southern and Northern China. In different regions, it is also called leaf lettuce, goose dish, lettuce dish and mark dish. In recent years, it has been cultivated more and more in China and often appears on everyone's table. Lettuce prefers to grow in a cold environment. If the maintenance environment is too hot, it will grow poorly and taste worse

2、 Open field watering frequency

Open field cultivation of lettuce requires frequent watering. It likes wet soil. Generally, it is watered once every 2 or 3 days. If the weather is hot, replenish water every day and keep it moist at all times. But if you raise it indoors, there is a certain difference. You can water it as soon as possible after the soil is dry

3、 Other curing methods

Lettuce does not like too hot environment. It is suitable for growing in a relatively cold environment. The growth temperature should be about 15 ℃ - 20 ℃. If the temperature is higher than 30 ℃, it is basically difficult to germinate. Moreover, too high temperature will also reduce the taste of food, and the leaf quality is relatively coarse and old. Its origin is in the Mediterranean coastal area of Europe. If the soil used for cultivation is fertile, the yield of lettuce will be higher