The planting method of lettuce

1. Variety

There are many varieties of lettuce, the common ones are Emperor, Caesar, Queen, Olympia and so on. These names are really magnificent. These are also good varieties. Be careful when choosing them.

2. Strong seedlings

The seeds of lettuce are relatively small, so good conditions are required for germination, so the planting method of raising seedlings and transplanting is often used, and this method is also the most common.

3. Watering

Generally 5 to 7 days of watering, the spring climate is better, the amount of water can be smaller, the growing period needs more water, to keep the soil moist.

Now I not only know the planting time and method of lettuce, but also understand the reason why we can often eat lettuce. With the development of technology, many planting techniques have been born. Let's take a look at the kinds of lettuce.

The planting method of lettuce

During the planting period, high-quality and disease-resistant varieties should be selected, timely fertilizer and water should promote the growth of lettuce, farmers know the planting methods of lettuce, and high yield can be obtained.

How to plant lettuce seedlings and sowing, winter and early spring greenhouse or greenhouse cultivation, summer shade net or shade shed cultivation. Every 60 square meters, 1500 kg of rotten farm manure and 20 kg of superphosphate were applied to the nursery ground and evenly leveled after ploughing. Seedling transplanting, 667 square meters of cultivation field needs a seedbed of 20-30 square meters, with a seed amount of 25-30 grams. Sowing in the high temperature season, the seeds must be accelerated by low temperature. The method is as follows: soak in well water for about 6 hours, scrub and pick it up, wrap it with wet gauze, put it in a 15 ℃-18 ℃ temperature, or hang it in a well, or put it in a refrigerator (the temperature is controlled at about 5 ℃). After 24 hours, put the seeds in a cool place to keep warm and accelerate germination.

The planting management of how to grow lettuce is that the seedling age of lettuce is about 25 days and can be planted with 4-6 true leaves with a row spacing of 14 cm × 18 cm. Organic fertilizer, 20 kg of superphosphate, or 50 kg of compound fertilizer shall be applied to every 667 square meters of soil. Soil should be taken to protect the root when planting, and the root water should be watered in time. The planting depth is appropriate not to bury the heart leaves, and if planted in the high temperature season, the scaffolding should be built in the morning of the planting day, covering the sunshade net, and then cut after 4: 00 p. M. Cultivation in winter and spring can be covered with plastic film. In greenhouse cultivation, the daytime temperature should be controlled at 12-22 ℃, the temperature should be kept warm if the temperature is too low, and the film should be ventilated and cooled if the temperature is too high (more than 24 ℃). In general, the greenhouse skirt can be opened.

According to the field management of lettuce planting technology, lettuce needs more fertilizer, so it should be applied frequently and fertilized. a small amount of available nitrogen fertilizer should be applied 5-6 days after planting, 15-20 kg per 667 square meters after 15-20 days, and 10-15 kg after 25-30 days. But human feces and urine should not be used as topdressing in the middle and later stages. The need for water is the largest after planting. It should be watered timely according to the weather and soil moisture after slow seedling, generally every 5-6 days, and should not be excessive in the middle and later stages.

For the pest control of lettuce planting methods, aphid damage is mostly in autumn, winter and spring, and can be sprayed with 40% dimethoate emulsion 600,800 times or 50% aphid avoidance solution 2 times. Sclerotinia sclerotiorum disease mostly occurs in 2-3 months. It can be sprayed with 1000-1500 times of 70% methyl thiophanate wettable powder or 50% paracetamol. Soft rot is easy to occur in high temperature and rainy months, which can be controlled by spraying 47% Garinon wettable powder 1000 times, or 77% Jiaoda wettable powder by spraying, and the drug can be stopped 15 days before harvest.

These are the planting methods of lettuce. Farmers should strengthen the management among crops to prevent the infection of diseases, so that crops can have a bumper harvest.

Introduction to the planting method of lettuce

Lettuce is a kind of vegetable with high nutritional value, which is known as "vegetable queen". But in recent years, due to serious environmental pollution, many lettuce sold in the market have suffered varying degrees of pollution. In fact, qualified friends can grow their own vegetables, grow their own, eat their own, this is a completely natural green food, today's editor brings you is the introduction of lettuce planting methods.

Soil selection

The first thing you need to grow lettuce is soil. We only need to prepare a piece of land, and if there is no land, it is also feasible to fill it with cartons, foam boxes, and so on. The soil had better be more fertile soil, if there is no fertile soil choice, ordinary soil is fine, but we need to increase the nutrients in the ordinary soil. The way is to eat the leftover vegetables and fruits and spread them under the soil. After waiting for them to rot, you can increase the fertility of the soil.

Sowing seeds

Sowing as far as possible in autumn, in the process of sowing, we first shovel the soil loose, and then sow lettuce seeds more evenly. Here we should be careful not to sow the seeds too densely so as not to have enough space for growth. After sowing the seeds, pour some water to make the soil as wet as possible, and then we cover the seeds with a fine layer of soil.

Watering

Watering is also a great knowledge. Just after sowing, it should be watered once in two or three days. After that, we don't have to deliberately pursue the number of watering, as long as the soil can keep a little moist. As long as the watering frequency is correct, about two weeks later, lettuce will sprout. Of course, the time of germination is also related to the local climate. Where the temperature is high, the time of germination is naturally short.

Fertilizer application

Since we grow lettuce ourselves, we naturally do not want to use chemical fertilizer, and we have buried some fruits and vegetables under the soil before. These remaining fruits and vegetables are good green manure, which can basically maintain the green manure needed for lettuce growth. But if we encounter lettuce leaves yellowing, most of the time they do not have enough nutrients, basically because the planting is too dense. At this point, we need to transplant the overdense lettuce to another environment.

Lettuce is naturally planted to eat, we will pick the leaves of lettuce, we can eat pure natural and pollution-free green food. We don't need to remove the whole lettuce, we just need to eat part of its leaves and leave its roots, and when it continues to grow leaves, we can eat a steady stream of lettuce until it blossoms and bears seeds.