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Celery is a new type of healthy vegetable, which has the effects of detoxification, lung promotion, rheumatism, liver and heat clearing. It is highly nutritious and has anti-cancer effects. It is the favorite vegetable on people's tables.
Currently, it is still popular in the market and is also popular for cultivation. Let's analyze some of the issues that should be paid attention to during celery cultivation.
First, the growth environment requirements.
Celery should be stored in a cool, humid environment away from high temperatures. The suitable temperature is 15 20 . Celery has a long growing season, about 140 days.
The suitable growing temperature is 16 22 during the day, 13 18 at night, and 15 20 soil temperature
Celery is a shallow-rooted crop with a weak ability to absorb nutrients and water, and has strict requirements for water and fertilizer. Celery is less resistant to dry climates, dry soils, and low air humidity. When planting, the petiole fibers increase, the quality is poor, and the yield is low.
Celery can only achieve high yields in moist air and soil. Nutrition requires low light, and it can still grow normally in low light conditions. Celery cultivation requires abundant organic matter, especially fertile and loose sandy loam soils.
Apply sufficient basal fertilizer and top dressing in time to meet the nutrient needs of celery growth, and level the cultivated land as much as possible.
Second, the sowing time.
Celery can be grown all year round. The yield and quality of celery grown at different times will vary. Generally, the suitable planting time is March to April in spring and June to July in summer, but the yield of summer planting is not high.
Many farmers choose to plant in the fall and winter. It is suitable for the growth of celery in autumn, with good yield and quality, and a large planting area. Celery itself prefers to grow in cold places.
This season is the best season to grow celery.
3. Sow seedlings.
The soil should be ploughed and matured a week in advance. 500 kg of organic fertilizer and 50 kg of special fertilizer for plants are applied per mu, which are fully mixed with the soil to form a deep ditch and high side drainage and irrigation. From the end of June to the beginning of July, the temperature is relatively high.
Seeds should be soaked indoors before sowing to promote germination. Soak for 5 hours and place in a cool place to promote germination.
4. Field management.
Pay attention to the daily management of water, fertilizer and temperature. Celery needs to be watered every morning and evening to grow new roots. If there are dead seedlings, transplant them in time.
Use carbon-based fertilizers in a timely manner. When the celery grows new roots and leaves, a second fertilization should be done. Nitrogen fertilizer should be the main fertilizer.
When fertilizing, do not use immature agricultural fertilizers to prevent the celery from rotting roots or hearts.
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It is necessary to choose varieties for planting, the land needs to be treated, the soil must have certain nutrients, pay attention to light, pay attention to ventilation, pay attention to scientific cultivation, and must pay attention to temperature, temperature is very important.
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It is necessary to pay attention to whether the soil is suitable for the growth of celery, and also pay attention to regular fertilization, and then water frequently, to see if there are any insect pests, these problems need to be paid attention to, so that the celery can be planted very well, the garden is very suitable for planting, celery is also easy to grow, and careful care can be.
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Pay attention to the temperature and humidity of the soil, select high-quality celery seeds, water them in time, and pay attention to the prevention and control of pests and diseases, pay attention to the appropriate amount of fertilizer, and not overdo it.
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First of all, choose high-quality varieties, but also should choose fertile soil, timely watering and fertilization, to ensure sufficient light, regular spraying of some pesticides, timely removal of insect pests, but also need timely loosening of soil, maintain soil fertility and permeability, do a good job of drainage and ventilation.
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The cultivation of celery should pay attention to the following aspects: temperature requirements: celery likes cold climate, cold resistance, shade resistance, heat resistance, and drought resistance. The suitable temperature for growth is 15-20.
If the temperature is above 26, the growth is not good and the quality is poor. Celery is required to be resistant to negative light, and needs to be covered with a shade net before emergence, and sufficient light is required in the later stage. Celery is a shallow-root vegetable with weak drought tolerance, high evaporation, and the need for moist soil and air conditions.
Management essentials Celery has strict soil requirements and requires fertile, loose, well-ventilated soil. Irrigation and topdressing should be timely during the whole growth period to meet its growth needs. Summer cultivation, due to the large amount of positive evaporation, watered once a day in the morning and evening, mainly nitrogen fertilizer.
If the light is too strong, you should have shade nets to block out the shadows.
Celery can be divided into four types according to the different planting times: one is spring celery. Spring celery is sown in January, grows from January to March, is planted from March to April, and harvested in June.
In the Yangtze River basin, the suitable sowing date is March every year. If the seeds are sown too early, the low temperature will have a certain effect on celery. If there are too many low temperature days, celery will differentiate and mature early, affecting the yield and quality.
In summer, celery is grown in the open air from April to May, June to July, and harvested in late August. Celery is usually grown in the spring and fall. Grown in the open air in summer, celery grows poorly and yields are low.
On the contrary, on rainy and hot days, pests and diseases are severe, and many dead seedlings are found. As a result, celery is cultivated in summer on a smaller area compared to spring and autumn. Autumn celery is sown in the north in June-July, planted in August-September, and harvested in October-December.
The South can be postponed appropriately. Celery should be planted in a high-temperature place in winter, and can be sown in the open air in the south of the Yangtze River basin and planted in greenhouses in the north.
In South China, it is grown in the open air from September to November and harvested in April. Celery can be divided into local celery and foreign celery, which should be selected according to the local market demand and planting techniques. Also, celery seeds should be dormant for more than a month after harvesting, so they should not be planted immediately after harvesting, they should be sown using seeds from the previous year.
The germination temperature of celery seeds is 4 30, 20 is better. However, if conditions permit, 25 is stored for 8 hours, and then 15 is stored for 18 hours, and the germination rate is the highest. Celery has a weaker root system but a shallower distribution.
In addition, celery is also a crop that requires more water. Irrigation of celery should be maintained several times, and each watering should be carried out in the morning and evening when the temperature is low, so as not to cause damage to the celery root by too high temperature at noon. At the same time, it is necessary to pay attention to fertilization, top dressing 2-3 times at the seedling stage, mainly urea.
Common diseases in celery are soft rot, sclerotinia and black rot. Pay attention to prevention when planting, pay attention to the rotation of celery on a piece of land, pay attention to seedbed disinfection when raising seedlings, and cultivate non-toxic strong seedlings. There are many considerations for celery growing.
Different celery varieties, different planting times, different growing areas, open air cultivation and greenhouse cultivation have different emphasis. You can choose the appropriate management method according to different situations to improve the yield and quality of celery.
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When planting greens, the temperature should not be too high, the temperature is best around 15 degrees, if the temperature is too high, the celery does not grow high, it is best not to let the sun shine directly, should be watered more, but do not cause waterlogging, usually you can turn the soil frequently, so that the water absorption and air permeability of the soil are better, and you can also add some chemical fertilizers appropriately.
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Pay attention to the weather temperature, then pay attention to water, fertilization, pests, and uneven nutrients of the land, and be sure to study the growth habits of celery when planting celery.
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In rural areas, many people like to grow some celery in their vegetable garden, celery is also a very common vegetable in our daily life, with high nutritional value. Eating some celery regularly is also very good for our health. Celery can be grown all year round, and although it is easy to grow, there are certain skills if we want to grow high-quality celery.
First of all, we need to know what are the requirements for celery to environmental conditions, celery likes a slightly colder climate, is not heat-tolerant, and the most suitable growth temperature for celery is 16 22. Celery does not require much light during the growth stage, and it can grow normally in a weak light environment. Celery is suitable for planting in some sandy soils that contain organic matter, and celery prefers a moist growing environment, so when we grow celery, we need to keep the soil hydrated enough.
Secondly, we should also be careful in the selection of celery varieties, the main varieties are early celery or yellow celery, the quality of celery grown by these varieties will be better. We wait until the celery seedlings have grown to about 12 centimeters tall, and then select some relatively large seedlings for transplanting. Generally speaking, the most suitable sowing season for celery is spring and autumn, in short, in the spring, if it is in the north, you can start cultivating seeds in January and March, and then you can plant around April, and in the south, you can sow seeds around March.
If it is autumn, the sowing is carried out around June and July in the north, and in the south it is in July and September.
If the celery is sown in early autumn, be sure to use some shade nets or other mulching to cover the sun, which can lower the ground temperature, prevent the water from evaporating, and make the celery seedlings more even. In addition, it is also very important to fertilize when planting, and appropriately choose fertilizers containing nitrogen and chlorine, which have a good effect on the growth of celery stems and leaves.
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1.Seeds need to be germinated first and then sown, celery seeds have poor epidermal permeability, and if they are sown directly, the germination rate is slow, and the emergence rate is low. In addition, the temperature in early autumn is high, and it is not easy to emerge, so celery should be soaked and germinated before sowing.
Soaking seeds is relatively simple, that is, soaking the seeds in clean water for 24 hours. 2.Strengthen the management of the seedling stage, celery is generally transplanted first, and the seedlings can be raised in the open field in the shade, or the seedlings can be raised in the hole tray.
At the seedling stage, the water absorption capacity is weak, and the soil should be kept moist before the emergence of seedlings.
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First of all, we need to tidy up the ground, then draw a series of furrows with our fingers, then sprinkle the seeds into it, cover it with about a centimeter of soil, and finally water it.
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(1) Sowing seedlings. Most areas are transplanted with seedlings, and a few areas are dominated by direct seeding. Summer sowing seedlings should pay attention to shading and cooling and preventing rain and waterlogging. During spring sowing, use a cold bed or a hot bed to keep the seedlings warm. Higher plots should be selected to raise seedlings with high furrows, so that they can be drained and irrigated.
Parsley is sown with fruit, because the skin is thick and firm, and there are oil glands, it is difficult to permeate water, and the germination is slow and untidy, so it must be soaked and germinated. After soaking the seeds for about 12 to 14 hours, rinse them with water, gently rub them with your hands while washing, rub the epidermis, spread them out and dry the seeds. Parsley seeds are light-friendly, do not cover the soil after sowing, and cover a thin layer of straw, which on the one hand prevents water evaporation, and on the other hand, prevents the seeds from being alluvial into piles when drenched.
About 10 days after sowing, the seeds germinate, i.e. the mulchweed is removed. When the seedlings grow to 2 or 3 true leaves, they can be divided, and when the seedlings grow to 4 or 5 true leaves, they can be planted. 13 15 g per 667 m2.
2) Field management. When planting, 1 m wide furrow is planted in two rows, with a plant spacing of 20 to 25 cm. Because the growth period of parsley is as long as 6 7 months, so the base fertilizer is very important, 5000 kg of organic fertilizer is applied every 667 m 2, in addition to organic fertilizer, 30 kg of ammonium sulfate, 30 kg of superphosphate, 10 kg of potassium chloride should be applied per 667 m 2, these three kinds of fertilizer except for half of the ammonium sulfate as top dressing, all the other are used as base fertilizer.
During the whole growth and development period of parsley, it is necessary to chase fertilizer at least 3 or 4 times.
Weeds will hinder the growth of parsley, so it is necessary to pay attention to frequent weeding, but parsley is a shallow-rooted vegetable, and it should not be too deep when cultivating, otherwise it will hurt the root system of parsley. It is also possible to spray 25% herbicide ether after parsley planting, and the dosage per 667 m2 shall not exceed kilograms.
Maintain soil moisture appropriately to avoid dryness and stagnant water. Excessive soil dryness often inhibits the development of parsley, slows down the growth rate, causes hollow stems and sprouts, affects quality, and reduces yield. If the soil is waterlogged, the stems are prone to rot.
3) Harvesting. When the parsley plant has grown to about 15 true leaves, you can start to harvest the fresh leaves that have grown in the middle of the plant in stages and batches until the next year. Parsley cannot be overwintered in the open field, and if you want to harvest seeds, you need to move the old roots into the greenhouse before freezing, and then plant them in the open field in April of the following year.
4) Pest control. During the growth period of parsley, there are fewer occurrences of pests and diseases. Pests include aphids, carrot flies, etc., and the main diseases are leaf spot.
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Celery is an umbrella-shaped plant, eating more celery has a certain effect on preventing high blood pressure and some cardiovascular diseases, it is originally produced in the Mediterranean region and the Middle East. In Europe, celery was usually eaten as a vegetable, and in many cases it was also used as a chat or stew. In the United States, celery was usually used as an appetizer as well as for salads.
Celery prefers a cold place, moist and then grow, the seed germination can not be lower than about 4 degrees, the most suitable temperature is about 15 degrees to 20 degrees, germination below 15 degrees will be delayed to a certain extent, more than 30 seeds do not germinate, but the seedlings are more heat-resistant, at about 5 degrees is a relatively low temperature, at this time the plant will maintain a certain green plant.
The seeds of celery are relatively small, the strength of the young shoots will be slightly weaker, and the emergence speed of the seedlings will generally be a little slower. When sowing is done at high temperatures, the soil is not conducive to the emergence of seedlings, but the seeds are easier to germinate in the presence of light. Its seedlings grow a little slowly, the seedling period is longer, and it is easier to harm manual weeds, so it is necessary to strengthen certain management when raising seedlings.
In the autumn of cultivation, it is more suitable for the weather of celery growth, and at this time, you can use the land or tent to breed and achieve **. In general, spring cultivation is mainly concentrated in the greenhouse, and the seedlings are planted in March or April, and the seedlings are harvested in May and sown in autumn, and the harvest can be achieved around October.
Before planting, it is necessary to pay attention to certain management, in fact, celery seedlings are still more difficult, to choose some higher terrain in order to better ensure a certain seedling, in the case of relatively high terrain, drainage will be more convenient, at this time the soil is also relatively loose, fertile suddenly Brother to carry out a certain cultivation, at this time if the soil is not good to carry out a certain amount of fertilization, this time can reach a certain speed of seedling, and germination is also faster. It should be noted that when sowing seeds around June, soak them in cold water for a certain amount of time, about 12 to 24 hours, and wash the seeds before sowing, and at this time put them in a cool place to dry for a while, so that the seeds that show new sprouts can be sown.
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