The recommended water and fertilizer management mode for celery planting in greenhouses should be carried out in the initial stage of planting. The sunshade net should be used for 10 to 15 days to prevent direct sunlight. After planting for 3 days, the seedling water should be poured once. When the surface soil is dry and wet, timely cultivating the soil and carrying out the soil. Seedlings. When the heart leaves turn green, the seedlings are finished, and 10 kg of urea and 20 kg of potassium sulfate are applied per acre combined with watering.
In the greenhouse, the celery cultivation needs to pay attention to the matters involved. In addition to the above, after about 15 to 20 days, when the plant height is about 25 cm, the urea is applied 10 kg twice. After the film is buckled, 15 kg of urea and 10 kg of potassium sulfate are applied in combination with watering. Later, as the temperature decreases, the amount of irrigation is gradually controlled, and watering and fertilization are stopped 10 days before harvesting.
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