As the weather gets colder, the celery in the greenhouse is more hollow and more fiber, which is mostly caused by the high temperature and low humidity in the greenhouse environment. High temperature can accelerate the differentiation of tissues, while low humidity cannot meet the needs of plants for water, thereby decomposing the pith tissue of the plant, resulting in hollow celery and increased fiber. To avoid this phenomenon, we must do a good job in temperature and humidity management.
When planting celery in autumn, people are afraid that watering will cause the soil temperature to drop and affect the growth of celery. In fact, proper watering will not affect the growth of celery. Watering is generally done every 15 days, and the amount of water should not be too large, just a little water. 15 days before harvest, water should be poured twice. Celery likes to be cold, so the room temperature should be appropriately lowered during management and kept at 15 to 18 degrees Celsius.
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