The seeds of celery are small, thick and contain oil glands. The optimum germination temperature is 20°C, and the sprouting is slow under high temperature and drought conditions. When planting in late summer and early autumn, cold treatment is often used to promote germination. If germination is done in a hoistway, the seeds are immersed for 12 to 14 hours, washed and cleaned. The seeds are then put in a gauze bag or mesh bag. The seeds are lifted from the water at a depth of 30-60 centimeters and washed once with well water every day. 3 - After 8 days, 80% of the seeds will be sown when they sprout. In addition, the soaked seeds may be mixed with moist river sand and placed in a cool place, or the soaked seeds may be packed in bags and directly placed in a freezer of the refrigerator for low temperature treatment. This can also promote the celery seeds. Germination.
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