How to prevent celery in greenhouse

In winter, in the process of celery production in the solar greenhouse, hollowness often occurs, which causes the increase of celery fiber, the deterioration of quality, and the decrease of yield, which in turn affects the income of vegetable farmers. So, what management measures should be taken in production to deal with it?

Water scientifically and master the appropriate temperature. More watering times will cause the soil temperature to drop, which will affect the normal growth of celery, resulting in insufficient water supply for the growth of celery. Generally, the amount of water should not be too large once every 15 days. During the vigorous growth period, ensure sufficient water supply. About 15 days before harvest, water should be sufficient. For planting in a greenhouse, the temperature during the day should be 15-23 degrees Celsius, and it should be kept at 10 degrees Celsius at night. Spray the new high-fat film to protect moisture and prevent water evaporation, keep warm and prevent freezing, isolate pests and eliminate diseases. Can effectively avoid the formation of hollows. On the basis of applying plantar fertilizer, use the new high-fat film + vegetable Zhuangzhaoling + 0.3% ~ 0.5% borax solution for foliar spray fertilizer for top dressing during the growth period, spraying once every 15 days. Proper harvest has obvious effects on preventing the occurrence of hollow heart disease.

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