Japanese scallion cultivation techniques

Japanese chilly onion is a high-cold cold-onion cultivar that has been successfully bred and cultivated from the Japanese chillies by the Institute of Excellence and Melon in Heze, Shandong Province. This variety has the characteristics of short leaves, heavy wax powder, long and long white light, early maturation, high cold resistance, fast growth, etc. Generally, it will be raised within 10 days before and after the start of autumn, cultivated in October, and listed in spring, without protection in winter. Nursery: The suitable time for raising seedlings is from July 20 to August 20. The nursery beds are high-grade, dry and fertile sandy soils that are not easy to accumulate water. Site preparation is done. The width is 1.5 to 2.0 meters and the length is not limited. The seedbed uses 50 kg of high-quality compound fertilizer per acre, and the water is used to make water. After infiltrating the water, spread the seed evenly on the paddy field, then use 5% phoxim granules mixed with fine soil and then cover it with 2 to 3 centimeters, cover the grass with conditions, and protect it from rain. . Each 667 square meters of Japanese spring onions needs 500 grams of seed and 150 square meters of seedbed. Colonization: From October 10 to November 10, after the harvest of the previous crop, timely fertilization. Generally, every 667m2 is applied with 3,000 kg of high-quality organic fertilizer, 50 kg of ternary compound fertilizer, 25 to 30 kg of urea, and 25 to 30 kg of potassium fertilizer. After the leveling, the squat was made, and the squat was east-west. The squat was 30 cm wide and 25 cm high. During colonization, the onion seedlings were pulled out, slightly aired, and the seedlings were inserted under the membrane with bamboo sticks. The spacing was 18 cm, the spacing between the plants was 8 to 12 cm, and about 15,000 mu were planted. Winter and Spring Management: After entering the winter, pour frozen water before the cold weather. After the chill, the spring is approaching, and the temperature in the north gradually rises. Watering and fertilizing should be timely. The temperature in the early period is low, and small water can be poured according to the flooding situation to prevent flooding. After the convulsions, the earth was completely thawed, combined with watering, and 30 kg of urea was topdressed. In order to harvest in advance, the conditional farmers can stamp a small arch shed before the beginning of the spring, so that the temperature around 20 °C, more than 30 °C above, it is timely ventilation in the morning ventilation. After warming the temperature, the growth rate of onion seedlings is accelerated. At this time, it is easy to emerge buds and buds. The flower buds are timely removed after budding, so that the onion grows from reproductive growth to vegetative growth, so as not to reduce the quality of green onions. The variety can also be raised from September 20 to October 10, and cultivated and managed in the same manner as other welsh onion varieties. The yield per mu can reach more than 7,000 kg.


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