Planting time of overwintering lettuce

Lettuce is a kind of vegetable that can be eaten directly. It tastes sweet and crisp. It is a common vegetable on our dinner table. So when is the planting time of overwintering lettuce?

I. planting time of overwintering lettuce

Overwintering lettuce is generally planted in a greenhouse and can be planted anytime and anywhere. Normal lettuce is sown in spring from March to April and autumn from July to August. It can be picked and eaten one month after planting.

Second, the planting method of lettuce

1. Seed selection

Select varieties with strong disease resistance and strong growth. now there are three popular varieties on the market: mosaic lettuce, glass lettuce and heading lettuce.

2. Seedbed

The seedling bed should be prepared before sowing. The soil of the seedling bed should be loose and fertile organic soil, and the common loose soil can be mixed with organic fertilizer and ammonium sulfate to irrigate the soil once.

3. Sowing seeds

Lettuce seeds are very small and light, need to be mixed with sand, and then evenly sprinkled on the seedbed, covered with 0.5-1cm.

4. Raising seedlings

After sowing, keep the seedbed temperature between 12-20 degrees, keep ventilated, avoid exposure in the sun, wait for the seeds to germinate and grow two or three leaves, can be planted.

5. Colonization

The root system of lettuce is weak, so it is necessary to take the seedlings with the soil when planting, keep row spacing and spacing 4x4cm, fertilize once after planting, and then irrigate once.

6. Harvest

As long as there is plenty of fertilizer and water, lettuce will grow very quickly and can be harvested in January-February. Be careful not to damage the roots so that it can not continue to grow.

Lettuce tastes sweet and crisp, and many people like to eat it as a salad. The cultivation of lettuce is also very simple and suitable for large-scale planting.