Lettuce is a variety of lettuce, it is a common vegetable, belongs to the Compositae Lactuca, in our country whether in the southern region or the northern region, are more popular.In different areas, the name of it is also different, also known as leaf lettuce, goose vegetable, lettuce vegetable, mark vegetable, in recent years in our country more and more cultivation, often appear on everyone's table.Lettuce prefers to grow in a cold environment, if the maintenance environment is too hot, it will grow poorly, and the taste will deteriorate.
Lettuce cultivated in the open field needs to be watered frequently. It likes wet soil. Generally, it is watered once every 2 or 3 days.If the weather is hot, you should replenish water every day and keep it moist at all times.But if you raise it indoors, there is a certain difference, and you can water it as soon as the soil dries.
Lettuce does not like too hot environment, suitable for growth in a relatively cold environment, the growth temperature should be around 15 -20 .If the temperature is higher than 30 C, it is basically difficult to germinate.Moreover, the high temperature will also reduce the taste of food, leaf quality is relatively rough and old.Its origin is in the Mediterranean coastal areas of Europe, and the yield of lettuce will be higher if the soil used for cultivation is fertile.