Leek is the product of leeks that turn yellow through softening and planting, also known as leek spr

Soak the leek seeds in warm water at 35-40 degrees, soak them for 12-24 hours after natural cooling, break the dormant state of the seeds, pick out the straw and bad seeds during the soaking process, put the soaked seeds into 2%-3% carbendazim solution for 15 minutes, put the treated seeds into a moist environment for germination, change water and air every day, and wait for about 2-3 days until most of the seeds are white to be sown. The leek sowing method is suitable for direct seeding and strip sowing, and the seed amount is generally kilograms per mu. According to the row spacing of meters on the furrow surface, first open the east-west concave sowing ditch, the depth of the ditch is 13-15 cm, the bottom width is about 15 cm as the standard, the seeds are evenly sown in the concave ditch, and then covered with a layer of fine sand about centimeters, until the seeds are not exposed.

When the leek seedlings grow 4-5 leaves, about 20 cm high, they can be transplanted and planted, and the planting ditch can be separated by the row spacing of 10-15 cm, and the single plant is carried out according to the plant spacing of 1-2 cm in the ditch; It can also be planted separately according to the hole distance of 10-15 cm, and every 15-30 seedlings is a handful of holes.

Leek, we can cut off the leek and cover it with a black sealed cover later, so that after a long time, it will form a leek in the future.

It is advisable to choose the right sapes. Sprinkle the germinated seeds with 2 to 3 times the amount of sand in the furrow and cover with fine soil. The planting period is when the plant is 18 to 20 cm tall.

<>1, the selection of seeds: seed selection is the basic requirement of what is the seed of leek, it is best to choose the yellow leek No. 1 or snow leek No. 4 bend shed and other excellent varieties, the seeds are cleaned and placed in 53 water to soak and germinate to improve the germination rate of seeds, and then the seeds are soaked in a thin carbendazim solution for 30 minutes to play a bactericidal role.

2. Soil treatment: Before cultivating leeks, the soil needs to be deeply turned, generally in late April to prepare for fermentation, mainly to add an appropriate amount of collapsed machine fertilizer, pour in water and mix and stir, after turning the soil leveling, less base fertilizer should be applied when preparing the land, and an appropriate amount of superphosphate can be added to promote root growth.

3. Planting and planting: bury the seedlings of turmeric in the soil, plant reasonably densely, keep the spacing of each plant at about 10 cm, cover with a layer of mulch film or straw immediately after planting, when the seedling height is 50 cm, the first soil cultivation, cut off the green leek prepared by the upper group, and carry out the second soil cultivation, and apply a small amount of compound fertilizer and fecal urine solution before soil cultivation.

4. Colonization management; When planting leeks, it is necessary to avoid the season of high temperature and humidity, try to let the plants see less light during the growth period, and the seedlings can be properly treated at the young stage, and cover the top of the leeks with shading, so that they do not see the light, and the fertilization is mainly based on organic fertilizer, and the fertilizer can be increased when the weather is dry.

1.Select the leek seeds with full fruit and stir them with pesticides.

The seeds are sown after loosening the soil, spread a thin layer of soil, watered and finally covered with film. After waiting for three days, the seedlings slowly grow, and the steps of selecting the seedlings are completed.

2.Seedling managementAfter the seedlings grow, the weeds in the field should be removed and weeded frequently. You can spray pesticides every other week, and if the weather is hot and dry, you need to water more to prevent leek yellow from being sunburned. Do a good job in seedling management to lay a solid foundation for the growth of leek yellow.

3.The planting environment is set up with a suitable planting environment, leeks are not resistant to high temperatures, and the suitable temperature for growth is 18. Leeks like light, and the light time is long, which can promote their photosynthesis and increase the quality of leeks.

It is necessary to ensure that the soil in which leeks are planted is fertile, and that there is enough moisture, otherwise the seedlings are prone to sunburn.

4.In order to do a good job in the management of the planting period, we must first loosen the soil and fertilize in time, and also water more to provide water and nutrientsSecondly, it should be planted in a reasonable space, and transplantation can be carried out appropriatelyIn addition, it is necessary to clean up and prune in time, in the process of planting leek yellow, it is inevitable that the plants will be sunburned or die, and they need to be pruned and cleaned.

The cultivation techniques of leeks are:Cultivating strong roots is the basis of leek production. It is related to the yield and quality of leeks.

Sow seeds at the right time. Generally, varieties with strong cold resistance, high yield and disease resistance, such as Ping Leek 4, Snow Leek King and 791, are selected for direct seeding in the field or interplanting in wheat fields before and after the Lixia Festival.

Apply plantar fertilizer before sowing, water the bottom water, fine land preparation, use about kilograms of seeds per mu, open a ditch according to the row spacing of 20 23 cm, sprinkle the seeds evenly in the ditch, sweep a thin layer of soil with a soft wool broom, step on it lightly, and then water it for the first time, water it for the second time when the ground is dry and wet, and water it for the third time when the ground is not dry.

Field Management:Before the beginning of autumn, it is generally not topdressed, in order to prevent excessive growth or rotten seedlings, it is necessary to water frequently, cultivate and weed. After the beginning of autumn, top dressing begins to grow strong roots.

The first time to chase 50 kg of urea per mu or cake fertilizer, and the second time to apply fertilizer before and after the White Dew Festival, 20 25 kg of urea per mu. Weeds should be removed frequently throughout the growth period, with less or no mowing, so as to strengthen the roots. After the beginning of winter to before the light snow, the dead leaves will be removed, and the leek roots will be set aside.

The above content refers to Encyclopedia - Leek Yellow.

In general, light has an inhibitory effect on the growth of plants. It destroys auxin, the substance that promotes the growth of ashwagandha, reduces the content of auxin, increases the content of growth-inhibiting substances, and thus inhibits growth. Therefore, as long as there is enough storage nutrients, plants can grow in the dark.

First of all, everyone has seen and eaten leeks and even planted them, but many people may have eaten leeks but don't know how they grow.

<> the ** of leeks here is about five or six yuan a catty, and one thing is that the quality of leeks in winter is the best. Leeks use the nutrients stored in the root system in summer and autumn, and in the dark environment of winter, the stems and leaves cannot produce chlorophyll, and the loss of green and yellow becomes the leeks we eat. Leek picking is generally more in winter, leeks grow out of the soil about 10 cm can be covered with a leek bag, normal fertilization of the soil, watering, about 3 months or so leeks will become leeks, you can pick.

Leeks are leeks that grow in shady places without sunlight. First of all, the leeks should be planted well, after the leeks are harvested, they are covered with a darker oil paper that does not absorb sunlight, and then the leeks that grow out are not irradiated by the sun, the color is yellow leeks are artificially controlled light during the growth process of leeks, and the leeks are completely light-free under the condition that the synthesis of leaf Weisong chlorophyllin lacks the necessary light, so that the leeks are yellowed, and the taste will be more tender.

Leeks originated in Central Asia and, like onions, are perennial herbaceous plants in the lily family. The midstream mountain doctor believes that leeks are a product of pungent and warm yang, which has the functions of warming and replenishing the liver and kidneys, warming the qi, dispersing blood and detoxifying, and keeping warm and stomach. In the north, leeks are the protagonists of dumplings during the New Year, it is when planting leeks, digging like a small ditch in rows of channels about one foot deep, planting into this one-foot-deep channel with a black plastic film that does not pass through the light, etc. to cover the leeks with shading treatment, and the leeks that are planted do not see the sun growing out of the natural yellow with tender whiteness.

Leeks prefer moist soil, so they should be watered frequently so that they can grow vigorously.

Planted in the soil. Grow the leeks in the soil and cover them with a cloth so that they can become leeks.

1. Select excellent varieties: choose excellent varieties suitable for local sowing, and generally choose green leeks with fast growth, high yield, cold tolerance, fertilizer tolerance, disease resistance, strong tillering ability and wide leaves.

2. Plot selection: The selection of plots for leek cultivation should be made with fertile soil, deep soil layer, high organic matter content, and convenient drainage and irrigation conditions.

3. Preparing the land for furrowing: before sowing, it is necessary to turn the ridge soil layer deeply, and the general soil layer is about 30cm deep, and it should be exposed to the sun for about a week after deep turning. The ground is leveled, the large pieces of soil are broken, and the ground is prepared without or less base fertilizer, and then according to the size of the land, the convex and concave furrows in the north and south are made.

4. Seed treatment: soak the seeds in about 50 water for 24 hours, wash them with water once a day, and sow seeds when they are white.

5. Sowing period: spring sowing is generally in late March and mid-April, and autumn sowing is generally in late August and mid-September.

6. Planting: When planting, it is advisable to shovel seedlings with shovels to reduce the imitation of damaged roots, and keep fibrous roots 3 5cm and leaves 6 15cm. After entering the vigorous period in autumn, it should be topdressed in stages, watering to promote plant growth, topdressing should be mainly nitrogen fertilizer, with a certain amount of phosphorus and potassium fertilizer, generally watering every 6 7 days, 8 10 days top dressing.

Leeks are grown from leeks.

Leeks are planted by softening the roots of normal leeks through soil cultivation and shading and shading. The root of the leek is more special, it has no difference between the taproot and the lateral root, there are fewer root hairs, only the fibrous root that is relatively fat and strong like a string, and its fibrous root is born at the base of the stem disc of the rhizome when it is sown.

When farmers plant leeks, they spend more thought than leeks, because they need to provide a relatively suitable growth environment for leeks. Give shade to the leek, the leek will absorb sunlight and photosynthesize when it is cut, so you can protect the leek.

Leek introduction

Leeks are formed by the growth of leek roots in an environment isolated from light, because there is no sunlight supply, leeks can not produce photosynthesis to synthesize chlorophyll, so the grown leeks turn yellow, called "leeks". Leek is a yellowed leek produced by softening and cultivating leeks in a dark-free environment through measures such as soil cultivation and shading and mulching.

The root of the leek is more special, it has no difference between the main root and the lateral root, there are fewer root hairs, only the more fat string-like fibrous root, which grows at the base of the rhizome stem disc when sown; In the second year, it grows around the rhizome and on its side. The length of the fibrous root is 30 cm.