How to manage lettuce after planting

Lettuce is a very high nutritional value of vegetables, the main edible parts are roots and leaves, etc., welcomed by many people. When planting lettuce, we first need to do a good job of raising seedlings. After lettuce seedling planting, attention should be paid to strengthening management to ensure the growth of lettuce. So how to manage lettuce after planting? Today, the editor will give you a brief introduction. Let's take a look at it.

1. Timely planting

Before planting lettuce seedlings, we should first pay attention to selecting the field of lettuce. The field of planting lettuce should be mainly fields with strong ability to conserve water and fertilizer, and pay attention to apply sufficient organic fertilizer with appropriate amount of compound fertilizer before planting. Then do a good job of digging ditches to build the border, flatten the border surface of the planting field, and dig the planting ditch. When the seedlings are about 25 days old and grow 4-5 true leaves, transplant with soil in the afternoon. When planting, it is generally dominated by the high temperature season, so we should pay attention to control the transplanting time. Then we should pay attention to watering thoroughly to avoid causing root injury during seedling emergence, and then control the row spacing and pour sufficient fixed root water after planting.

2. Fertilizer and water management

After the lettuce seedlings are planted, water thoroughly, cover the sunshade net, water again after about three days, and then pay attention to maintain a moist soil. After the seedlings survived, uncover the sunshade net, cooperate with the watering work, and apply an appropriate amount of compound fertilizer per mu. At the same time, we should also pay attention to do a good job of ploughing and loosening the soil, squatting seedlings for about a week. When the seedlings grow to about 30 cm high and the thickness is about 5 cm, apply an appropriate amount of urea or rotten cake fertilizer. About two weeks later, combined with the watering work, apply the right amount of urea.

During the tender stem expansion period of lettuce, we should also pay attention to properly spraying dwarf, about once every ten days or so. You can also use an appropriate amount of fresh element, but you should pay attention to control the dosage of the liquid and spray it about 3 times continuously. Avoid bolting of seedlings so as to increase the weight of lettuce stem. Then during the growing period of lettuce, we should also pay attention to do a good job of ditching and drainage, but it should not be too dry and should be watered properly. If there is a drought, then it should be watered in time to ensure the healthy growth of lettuce.

3. Pest control

The pest control of lettuce after planting is also very important. The common diseases and insect pests in the growth of lettuce are leaf spot, downy mildew, aphids and so on. When we control diseases and insect pests, we should use corresponding chemicals to prevent and control diseases and insect pests. For example, the application of methyl topiramate in the prevention and control of leaf spot and chlorothalonil in downy mildew and so on. We should often check the growth of lettuce, when the abnormal situation of lettuce is found, we should find out the cause in time, and then take corresponding measures to avoid the spread of the disease and affect the growth of lettuce.

The above is a brief introduction to how to manage lettuce after planting. That's all for today's introduction. This article is for reference only. I hope it can help you all.