First, open seedlings

1, soaking germination: In order to avoid high temperature on the celery seed germination unfavorable, 5ppm GA can be soaked for 12 hours, and then placed in a cool place germination, the temperature is maintained at 15-20 °C.

2. Doing basal fertilization: Choose a plot of land that is convenient for drainage and irrigation, make a nursery bed that is one meter wide and 5-10 meters long, and apply 30-50 kilograms of farmyard manure to each plot. Deep plowing, squeezing, pounding, filling the bottom, pouring water, soaking the water after sowing, cover a centimeter thick sand or dirt, cover the ground with straw or straw to avoid high temperature affect the emergence.

3. Seedling management: Water is poured once every morning or evening after emergence, and the amount of water is just poured into the surface. Rainy days or sooner or later remove curtains. In the rainy days, water is discharged, and after the rain, it is necessary to use well water for irrigation. The celery planted in late July, until mid-September, the seedlings have reached five or six leaves, to control the water and prevent leggy.

Second, the greenhouse colonization

1, planting time: generally in late September to frost before planting. For a moment, you can't fall out and you can take out the celery sprout and leave it in the greenhouse to prevent it from freezing.

2. Soil preparation for basal fertilization: After removing the rakes, remove stubble weeds, soil preparation, hoeing, and basal fertilizer. The method is the same as that for greenhouse celery.

Colonization: Eradication of pests and weak seedlings, planting seedlings of the same size. Each row is planted with 5-6 rows, single plant, and the distance between the rows is eight centimeters.

Third, the management of the greenhouse

1, increase the temperature difference in the early stage: on the basis of pouring enough water for planting, and then continue to fill one or two times of water, to carefully carry out soil conservation, early to increase the amount of air release, put convective wind, put the night wind, increase day and night Temperature difference, proper control of water, promote root development, petiole short, thick stems, accumulate more nutrients, for the inner growth into a thick petiole base.

2. Strengthen fertilizer and water in the mid-term: When the inner leaves begin to grow vigorously, start top dressing and watering, recover 40-50 grams of ammonium nitrate per square meter, chase the water while chasing, and strengthen ventilation after irrigation.

3. Insulation and cold protection in the later period: As the weather turns cold, it does not exceed 25°C during the day, and it is strengthened at night. After entering the winter, grass curtains should be stamped, and soil and indoor warming should be provided outside the back wall to reduce irrigation and prevent disease.

Fourth, harvest

The celery produced later in the winter greenhouse can be harvested many times. For the first harvest, two or three large leaves were picked from each celery, and the yellow leaves and old leaves were removed after the harvest. When the heart was released, a small amount of chemical fertilizer was recovered and combined with irrigation. During the New Year, a large number of harvests can be harvested, and they are cut once during the Spring Festival.

V. Prevention and cure of celery pests and diseases

1. Locust: Aphids can be sprayed with deltamethrin 3000-5000 times, and extinction kills 2000-3000 times.

2, celery spot blight: disease found to remove diseased leaves in a timely manner, available 80% dexamethasone 500-600 times liquid spray.

3, celery scab: Prevention of celery scab, the first is to strengthen management, increase organic fertilizer, drought, flood control, to avoid irrigation at high temperatures, after a heavy rain irrigation well water; followed by chemical control, spray 75% 100% Bacterial WP 500-800 times; also available 50% carbendazim WP 500-600 times spray.

Hebei Abiding Co.Ltd, a professional food supplier, was established in 2005 in Shijiazhuang, China. We specialize ourselves in supplying Organic Tomato Paste and Organic Pasta. Conventional ones are also available to supply. We can make the private labels according to the customers' requirement. Our products have EU, NOP and JAS organic certificates. They are also Kosher certified. We have business relationships with importers and wholesalers from around the world, mainly in Europe and America. Over the years, we have earned highly recognition from clients due to our qualified service and steadily increase our market share year after year.

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