Recently, greenhouse celery is in the period of establishing seedlings. In light of the management issues during this period, I stand here to propose the following management suggestions for farmers' reference. After planting, the celery must be fed with water for 3 days, and when the surface soil is wet and dry, the cultivating soil shall be ploughed in time to carry out the seedlings. When the new leaves begin to grow, combined with watering, 3 kg of nitrogen fertilizer and 2-3 kg of potassium fertilizer are applied per acre. About 15-20 days later when the plant height is about 25 centimeters, apply 4 kg of nitrogen fertilizer per acre. Growing season 5-7 days watering once, can be water with fertilizer, topdressing nitrogen fertilizer 3 kg per mu, potash 2-3 kg.
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