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First, the selection of varieties should be based on the season. Solid celery is generally used for cultivation in autumn and protected areas.
Second, soaking seeds and germination.
Soak the seeds in cold water for a day and night , remove the mucus from the seed coat , remove them and wrap them in a cloth bag , and place them at 15-20 °C. Protect the seedlings, soak the seeds with warm water at 30 °C for 12 hours, remove them and put them indoors or at 15-20 °C to germination. When 80% of the seeds are exposed, they can be sown. If the seeds are harvested in the same year, it is best to soak seeds with SPP and gibberellin for 12 hours to promote germination.
Third, sowing and management.
In the sowing, the fermented base fertilizer is applied, and the water is first planted when planting, and then sown after being infiltrated. Seeds should be mixed with fine sand before sowing, and then spread evenly on the surface. In September , if there is a hot day, the seedlings can be covered with a layer of shading net on the surface of the shovel to make the glare as soon as possible. After the emergence, the parts are removed. It takes about 40 days for celery to grow from seedling to transplanting . When the cotyledons are flattened out of the true leaves, the seedlings are planted, and then the seedlings are separated every 5-7 days. The total number of seedlings is 2-3 times, and the distance between the plants is 6-7 cm. should. When the seedling grows to 2-3 sets of leaves, it can be applied once acre ( 5-8 kg of urea is applied ) to keep the soil moist and promote seedling growth.
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