How do you want to achieve high yield? There are a lot of management details to pay attention to, such as water and fertilizer management, pre-broadcast management, management before and after planting, and so on. There are many functions of leeks, which are also called “Aphrodisiac Grass”. Let's learn how to cook delicious leeks together with Huinong.

1. Land preparation and fertilization

Site preparation

Before planting the leek species, the soil should be deep-plowed for less than 20 cm, and then combined with fertilization. Conditional vegetable growers can be planted in high ridges, this is to facilitate drainage, of course, it is also possible.

2. Fertilization

Fertilization should be carried out in combination with soil preparation. Generally, 5,000 to 6,000 kilograms of high-quality decomposed organic fertilizer, 6 kilograms of urea, and 10 kilograms of superphosphate can be applied per acre or compound fertilizer can be converted according to this ratio.

Second, preparation before the broadcast

Spring sowing can be carried out with dry seeds. In other seasons (summer and autumn), you can soak seeds for 30 to 12 hours with warm water from 30 to 40 degrees. After removing the seeds, wash the mucus on the seeds and wrap them in a damp cloth. Then put it into the environment of fifteen to twenty degrees for germination, and rinse it once or twice with water every day. When 50% of the seeds show white buds, they can be sown.

Third, sowing

Sowing time

The soil can be sown between the thawing and the autumnal equinox. Most areas are between late March and early May, and spring sowing is most common.

2. Seeding amount

The amount of seed per acre is four or five kilograms. If it is open field seedling transplanting, it is about 1.5 to 2 kilograms.

3. Seeding method

Before sowing, first remove a part of the surface soil (sieving for seeding), then shallowly flatten it, first pour a bottom water, about 3.3 cm deep, and then pour about 3.3 cm deep after the water seeps. Water. After the water has been infiltrated, the seeds are evenly sprinkled, and then the soil is covered with about 1.5 cm. The next day, the teeth are flattened to keep the topsoil loose and moist, which is beneficial to the germination of the seeds. After sowing, cover the mulch with the mulch film. After more than 30% of the seeds are emerged, remove the mulch film in time to prevent burning of the seedlings. If it is found to be white, it is necessary to make up some moist soil.

There are also "dry broadcast methods". The dry sowing method uses live seeds without germination to be broadcasted to the seedbed. On the finished seedbed, the row spacing is 10 cm, and a small shallow groove with a width of 10 cm and a depth of about 1.6 cm is opened. The seeds are sprinkled into the ditch, and then the broom is gently flattened and compacted with a broom, and then water is poured. , then water again after 2-3 days. Before the seeds are unearthed, keep the soil moist.

Fourth, post-production management

Watering and top dressing

Combined with watering, the quick-acting nitrogen fertilizer is applied 2-3 times, and 6-8 kg of urea is applied per acre. Generally, it is not harvested before planting, so as to promote seedling rooting, and to achieve the strong seedling standard when planting.

Generally, the seedling age is 80-90 days, the seedling height is 15-20 cm, and there is no pest and disease in a single plant, and there is no lodging phenomenon.

3. Weeding

After the emergence of the seedlings, the grass is manually pulled out to remove the sick plants. It can also be used to control monocotyledonous weeds such as quizalofop, grass, and other herbicides, or use 30% of weeding emulsifiable concentrate per 100-150 grams per acre before sowing, and spray 50 kg with water.

V. Colonization

Colonization time

Spring sowing seedlings should be planted after the summer solstice, and summer seedlings should be planted before and after the summer heat. When planting, it is necessary to stagger the high-humidity season, so it is not conducive to the growth of leek seedlings after planting.

2. Colonization method

Seed the leek, cut the short roots (only 2-3 cm), cut the short tip (leaf leaves 10 cm long). In the raft, the row spacing is 18-20 cm, the hole spacing is 10 cm, and 7-10 plants per hole are planted, which is suitable for barley; the ditch is 30-36 cm apart, the ditch is 16-20 cm, and the hole distance is 16 cm. 20-30 plants per hole are suitable for the production of softened amaranth, and the cultivation depth is suitable for burying the tiller.

6. Field management

1. Temperature management

After the shed is closed, keep 20-24 °C during the day and 12-14 °C during the night. When the plant height is more than 10 cm, keep 16-20 °C during the day, and the temperature in the shed exceeds 24 °C to release air and humidity. In winter, small arch shed cultivation should be strengthened and kept at 6 °C at night.

2. Fertilizer management

After planting, when new roots and new leaves appear, they can be topdressed with water, 10-15 kg of urea per acre, and 4 years of seedlings, to control the water, and strengthen cultivating and weeding. When the tillering begins at the 6-leaf stage, the root-hopping phenomenon occurs (the rhizome of the tiller is in the upper part of the original rhizome), and the sand can be covered, pressed or ridged to prevent the roots from being exposed. When the seedling height is 20 cm, stop topdressing and watering for harvesting. After harvesting, it will be harvested once every time. After harvesting, the plant height will grow to 10 cm. Combine with the soil and apply quick-acting nitrogen fertilizer, and apply 8 kg of urea per acre. When the weather turns cold, watering should be stopped, and the frozen water should be poured once before freezing.

Seven, pest control

1. Principles of prevention

In accordance with the principle of “prevention first, comprehensive prevention and control”, we adhere to the principle of harmless prevention and control based on “agricultural prevention, physical control, biological control, supplemented by chemical prevention and control”. Pesticides shall not be applied to high-toxic, high-residue, high-grade (teratogenic, carcinogenic, mutagenic) pesticides and their mixed pesticides prohibited by the State.

Strengthen cultivating and weeding, clean the countryside, strengthen the management of fertilizer and water, and improve the ability to resist stress.

Use sugar wine vinegar to trap adult worms, and make sugar, wine, vinegar, water, 90% trichlorfon crystals in a ratio of 3:3:1:10:0.5, 1-3 boxes per acre, add at any time, keep not Dry and trap all kinds of fly pests.

Eight, timely harvesting

In the year of planting, the focus was on “rooting and growing” and not harvesting. If there were chives, it should be removed in time. When the leek grows to about 25 cm, it can be harvested. Harvest in the morning on a sunny day. When harvesting, the knife is 2-4 cm away from the ground. It is appropriate to cut the yellow color. The cutting mouth should be neat and uniform, generally harvesting every 20-25 days. The tools used in the harvesting process should be clean, hygienic and non-polluting.

The above is the scientific and high-yield cultivation method of amaranth. Of course, this is just for the reference of farmers. If you want to learn other different amaranth cultivation techniques, you can continue to pay attention to Hui Nong!

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