How to cultivate celery in early autumn

Celery likes a cold, humid climate and is a semi-cold-resistant vegetable; it is not resistant to high temperatures. Drying can withstand short-term low temperature below zero.

1. Requirements for environmental conditions

1. Temperature: Celery likes a cold climate, the suitable temperature for growth is 16-22℃.

2. Light: Celery has no strict requirements for light during the nutritional growth stage, and has lower requirements for light intensity. It can still grow normally under weak light conditions.

3. Soil: Celery is suitable for growing in sandy loam soil rich in organic matter.

4. Moisture and nutrients: Celery likes to be moist, so keep enough water in the soil during cultivation; the amount of fertilizer is large, but because the root absorption capacity is weak, it is necessary to apply sufficient base fertilizer during cultivation and apply fertilizer in a timely manner To meet the nutrient needs of celery.

Two, cultivation points

1. Variety selection: Generally, the varieties of early green celery or yellow heart celery with strong resistance are mainly used.

2. Sowing and raising seedlings: In recent years, live broadcast is the main method. When the seedlings grow to 12 cm high, the large seedlings are picked and transplanted at a ratio of 1:2. The amount of seedlings per mu is about 1000 grams. The sowing period is generally scheduled in June. From late ten days to early July, due to the high temperature during this period, it is necessary to soak the seeds indoors before sprouting, soak them in clean water for 4 to 6 hours, then drain them, and then put them in the refrigerator for treatment, and then sprouting in a cool indoor place until the seeds are white. Then sown on the prepared bed soil. After celery is planted in early autumn, it must be covered with shade nets and other coverings to reduce the ground temperature, prevent water evaporation, and ensure the seedlings.

3. Land preparation and planting: One week in advance, the soil is plowed and matured, combined with land preparation, 500 kg of commercial organic fertilizer per mu, and 50 kg of special compound fertilizer for vegetables are applied to make it fully mixed with the soil to create a good aggregate structure and nutrient soil layer , And achieve deep ditch and high border, can irrigate and drain (here refers to land preparation, also includes seedbed land for direct broadcast). When the seedlings grow to 12 cm high, they can choose to transplant in the evening on a cloudy or sunny day, and pour plantar water in the transplanting field. After transplanting, set up a shed for shading, or transplant it in a protective greenhouse with a shading net cover.

4. Fertilizer and water management: Celery requires a large amount of fertilizer, but the root absorption capacity is weak, so it should be combined with watering and topdressing in a timely manner. Generally, topdressing is 2 to 3 times, and 5 to 8 kg of urea per 667 square meters is applied for each topdressing. The principle of frequent application of fertilizers ensures a balanced supply of nutrients.

5. Pest management: The disease of celery in early autumn is mainly blight, which can be controlled by spraying 1000 times diluted solution of fungicides such as Amicidal and Protexine. Pests are mainly aphids, which can be controlled with high-efficiency and low-toxic insecticides such as Emerald and imidacloprid.

6. Harvesting: When the celery plant grows to 35 to 40 cm, it can be harvested and marketed. Early-autumn celery live broadcast is generally listed in mid and late September, and celery transplanted in mid and late August is generally listed around the National Day, with a yield of 1,800 to 2,100 kg per mu. The economic benefits are extremely valuable.

Celery has the effects of calming the liver and clearing heat, dispelling wind and dampness, eliminating trouble and swelling, cooling blood and stopping bleeding, detoxifying and promoting lung, strengthening stomach and promoting blood circulation, clearing intestines and stools, moistening lungs and relieving cough, lowering blood pressure, strengthening brain and calming. Often eating celery, especially eating celery leaves, is very beneficial to the prevention of high blood pressure and arteriosclerosis, and has an adjuvant therapeutic effect.

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