First, the management of the front shed. Generally, in mid-November, the leeks of the leeks will wither, and after the ground is completely withered, the dead leaves, weeds, and other weeds will be cut off and cleaned up. After clearing the leeks, the topsoil above the leek bulbs will be dug out to expose the bulbs. Freezing in the sun and night to break the dormancy earlier, make the cocoon neat, and at the same time eliminate the pests that sneaked into the puppets overwintering. Be careful not to hurt the roots while you are crouching. 6 to 8 days after the pier, 50% phoxim EC or 90% crystal trichlorfon 1000 times 80 kg is used to root the roots to prevent damaging. After irrigating the roots for 3 to 4 days, fertilize the rows between fertilization, apply 2,000 to 3,000 kilograms of organic fertilizer per acre, or 250 to 300 kilograms of cake fertilizer. After fertilization, cover the soil, flatten the soil surface and smashing the pier, and then water the soil. Then cover a layer of fine soil to bury the pier. Second, appropriate soil. After the leek shed, generally about 25 days can emerge, until the seedlings grow to 6-7 cm high, the first time to earth, soil 3-4 cm high; seedlings grow to 10-15 cm high and then proceed For the second time, the height of the soil is 6-7 cm. This will be performed 2-3 times. The root of the leeks will become a mound and the lines will become ditch. Third, temperature management. The optimum temperature for the growth of leeks is 18-20°C. During the daytime, the temperature in the shed is maintained at about 20°C. At night, the temperature is maintained at 6°C or more. The temperature at the beginning of the shed is high, and it can be cooled and cooled at around noon. Before head cutting, 4-5 days before harvesting, remove the film properly, do not ventilate after harvesting, wait until the new leaf grows to a height of 9-12 centimeters. When the temperature of the shed exceeds 25 CC, release the air. After each watering, reduce the temperature by proper ventilation. . Fourth, fertilizer and water management. Cut noodles and knives before watering, until the second crop is 6 cm high, combined with watering, per acre topdressing compound fertilizer 20-30 kilograms or human and animal manure 1500 kilograms, 4-5 days before harvest and then watering, water to The temperature of the shed may vary. After each cut, the ridges should be ridged and the bulbs should be aired. After the new leaves are grown, they can be topdressed with water and soil. Fifth, appropriate harvest. When the leek grows to 20-25 cm high, he cuts the first knife. After the knife is separated by 20-25 days, the general shed harvests 3-4 knives, and the mu yield can reach 3,000 kilograms. When harvesting, grasp: The earliest harvest time should be after 5 leaves. When harvesting, the knife shouldn't be too deep. Stick the soil, otherwise the bulb injury will cause the broken seedlings. Six, pest control. In greenhouses, pests and diseases of leeks are mainly maggots and gray molds. Glucans can be rooted with 50% phoxim 800 times solution or 90% crystal trichlorfon 1000 times solution; 50% sicillin wettable powder can be used during the initial stage of gray mold. 1000 times liquid, spray once every 7 days, even spray 2-3 times, better control effect.
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.
Products and Services
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Greenhouse Management Techniques
Viola is a perennial rooted vegetable with strong cold resistance and wide adaptability. It is suitable for cultivation in greenhouses. In general, the roots have been returned in mid-November and the dormancy period has been successfully passed. In mid-December, sheds can be used for winter cultivation.