Special Vegetables--Cultivated Technology of Zilan

First, varieties. There are fewer varieties of Zilan, and the varieties currently used in production include Zigan No.1, Hongmu, Zaohong, and Ziyang Cabbage and Purple Cabbage. Second, nursery 1, seeding period. According to the time-to-market requirements and the variety used to determine the sowing date, greenhouse cultivation block early spring off-season, to choose early maturing varieties, calendar seedling age of 60 days, physiological seedlings six to seven true leaf colonization, in mid-January to February Upper and middle greenhouse sowing seedlings. 2, seed processing. Seedlings of A. paniculata are the same as common Ganlan seeds. The seed coat is thin and easy to germinate. It is best to sow the seeds. If soaking seeds to sow, soaking for 2-4 hours, and soaking for too long, unfavorable to the emergence and growth of seedlings. 3, sowing. Sowing should be selected sunny and warm weather, the first seedbed pouring sole water, the water seepage after the seed evenly sowing. Use 50 grams per acre and plant 3-4 grams per square meter. After sowing, cover fine soil 1-1.5 centimeters, and maintain the temperature during the day at 20-25 degrees centigrade. 4. Seedling management. When the seedling leaves Qiziziping, the daytime temperature is controlled at 18-20°C and 8-10°C at night. About 30 days after sowing. When the seedlings grow one or two true leaves, the seedlings are transplanted, and transplanting is carried out according to the row spacing of 8 cm and 8 cm. In the gentle seedling period, it is appropriate to have a temperature of 25°C during the day. After easing the seedlings, it is advisable to control the pupa temperature at 20°C during the day and not lower than 10°C at night. Six to seven true leaves are planted around. Third, colonization 1, soil preparation fertilization. The range of root distribution of P. armandii is wide and deep, so deep plowing should be done before plowing in spring and the plowing should be about 25 centimeters. The ridge should be marked with a width of 60-65 cm and the ridge should be made into a flat 1-1.20 m. Purple bark is a fertilizer crop, full base fertilizer, generally Mushi quality farm fertilizer 5000 kg, 15 kg of diammonium phosphate as a base fertilizer. 2, colonization. During the colonization period, the greenhouse cultivation can be planted in mid-March, and the greenhouse cultivation can be covered with multiple layers, which can be planted from late March to early April. The seedbed should be irrigated the day before planting, and the root system should be soiled when the seedlings are raised the next day. After planting, the water must be poured and the plants must be sealed. The depth of planting leaves the leaves on top, and the heart does not bury the soil as the standard. The suitable density for planting was 1 meter wide, 2 rows planted, 30-35 centimeters of plant spacing, 65 centimeters of ridge spacing, and 2 rows of abducted seedlings, 40 centimeters spacing. Fourth, field management. Temperature management, within 7-10 days after planting, 25-27°C during the day and 13-15°C during the night, increase the temperature of the shed and promote the easing of seedlings. After easing the seedlings, it is controlled at 15-20°C during the day and 10-13°C at night. Into the rosette stage and the ball stage, during the day 18-20 °C, night 12-15 °C, water and fertilizer management, 10-15 days after the establishment of slow seedlings, combined with water topdressing urea, 15-20 kg per mu, rosette mid-stage combination After the second application of watering fertilizer, 15-20 kg urea or 20 kg ammonium sulfate and 10 kg potassium sulfate can be applied per acre. Pay attention to timely irrigation during the ball stage to keep the soil moist. However, water should be selected for sunny weather and water should not be poured on cloudy days. V. Harvesting. After the Zilanlan leafball grows, it should be harvested according to its own maturity and market needs, but it is appropriate to harvest the leaf ball in a tight and real-time manner. The average early-maturing variety yields 1500-3000 kg per mu and the medium-maturing variety 2000-4000 kg. Six, pest control. Blight occurs easily during the seedling stage and occurs during greenhouse nursery. The base of the victim's seedlings becomes darker and smaller, or forms a black pitted spot, resulting in the collapse of death. The disease is a soil-borne disease. It should be selected on the bed of bacteria-free seedlings, or refer to the soil disinfection technology of vegetable seedbeds to cover the soil with pesticide, and properly control the irrigation. Pay attention to ventilation and prevent light from the disease. Summer and autumn cultivation: Soft rot occurs in the rosette and ball stage. At the beginning, water-soaked spots appear at the base of the outer leaves or leaf bulbs. The outer leaves wrap up at noon and recover sooner or later. After a few days, the outer leaves no longer recover, the diseased part begins to rot, the leaf ball is exposed or the plant base gradually rots and becomes muddy. Bad smell. In addition, there is black rot, which is a bacterial disease. Because the bacteria invade the leaf margins from the water hole, they have "V" shaped lesions on the leaves. If they invade from the wound, they can spread on both sides or inside at the invading site to yellow or die around the surrounding leaves. Prevention of these two kinds of bacterial diseases, mainly to prevent wounds caused by pests, pay attention to irrigation to prevent lice; the beginning of the onset of spraying ammonia solution 350 times times, or 72% of streptomycin sulfate powder 4000 times, every 7-10 Once a day, continuous prevention and treatment 2-3 times. For the cabbage caterpillar, diamondback moth, lantana xylostella, Gan Lanjing can be sprayed with 40% dimethoate EC 1000 times, or 2.50% cypermethrin 3000-4000 times liquid and other highly effective low-toxic insecticides.

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    YIJIAN Company

    About Company
    Yanchi County Yijian Biotechnol Co.,Ltd
    was founded in Dec 2012 , 
    by Mr. Dezhi Zhang , 
    the legal representative of the company . 
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