First, prepare a bed that is 2 meters wide, oriented in the east-west direction for better wind protection during winter. Raise the ridges on both sides of the bed to a height of 15 to 20 cm, then apply 5,000 to 7,500 kg of fully composted organic fertilizer per mu (approximately 667 square meters), mix it thoroughly into the soil, and level the surface for even planting.
If you're preparing to plant old calluses, start by removing the root plate at the base of the calluses. Then sort them based on their height and thickness before planting. Plant them at a density of 30 to 40 plants per ditch, with each ditch spaced about 15 cm apart. The ditch should be 28 to 32 cm wide, and the planting depth should not exceed the sheath of the callus. If using small seedlings, wait until they are around 20 cm tall and have developed 3 to 5 true leaves before transplanting.
After planting leeks, water them 2 to 3 times consecutively to help them establish and survive. After each watering, apply 15 to 20 kg of compound fertilizer per acre to promote leaf growth. This helps build a strong foundation for the development of the pseudo-stem and the root system, ensuring healthy and vigorous growth in the future. It's important to maintain consistent moisture and nutrient supply during this critical early stage.
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