Colonization: First, the soil preparation for basal fertilization. After the Spring Festival, after the fall of the vegetables in the front, flatten the ground and make it 1 meter wide. Spread a layer of farmyard fertilizer evenly on the surface, 10 kilograms per square meter, and turn it over again to prepare for planting. Followed by planting seedlings, each planting 6-7 lines, hole spacing 8-10 cm, planted irrigation.
Management: Generally, it is not necessary to water the seedlings, and the loose leaves are used when the heart leaves begin to grow. The daytime temperature is maintained at 15-20°C, and around 10°C at night. When the plants have 5-6 pieces of large leaves, 20-30 grams of urea is chased per square meter, and the water is chased along the edge. After top dressing, the noodles are kept moist and the temperature can be raised to about 20-25°C. Continuously pouring several large waters, the celery petiole can be quickly elongated and can be harvested.
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