The production of 1000 kg of celery requires 2 kg of nitrogen, 1 kg of phosphorus pentoxide and 4 kg of potassium chloride. Before planting, the high-quality farmyard manure is 5000 kilograms and the phosphate fertilizer is 40 kilograms. When the height is 10 cm, the first top dressing will be started, and the nitrogen fertilizer will be applied 7-10 for nitrogen fertilizer and 10-15 kg for potassium fertilizer. Celery enters the vigorous growth period, chasing fertilizer once every 7-10 days, a total of 3-4 times, 5-20 kg of nitrogen fertilizer per acre, 10-20 kg of phosphate fertilizer, 20-25 kg of potassium fertilizer. Each time the top dressing should be combined with watering, or combined with disease prevention with 0.3% concentration of spray Shibao, Shuofeng 481 for foliar application.
Huaxian County Fertilizer Station Yue Xiuli
Huaxian County Fertilizer Station Yue Xiuli
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