The planting time of celery is usually chosen in spring and fall. Spring sowing needs to choose the late shooting varieties, from early December to early February of the following year can be carried out, if the electric hot-wire seedlings, sowing time can also be delayed for about 15-20 days. Fall sowing, on the other hand, should be done from late June to August.

2, germination

Celery itself likes a cool climate, so if the seeds are sown in the hot season, they need to be germinated. First soak in water for 12 hours, take it out and wrap it with wet gauze, put it in the refrigerator freezer, the temperature is controlled between 5-10 ℃, and it should be rinsed once a day, usually after 3-5 days, 30% of the seeds can be sown after germination.

3, sowing seedlings

Sow the seeds of celery to the seedbed, and set up a shade net, after the emergence of the seedlings should be covered with a shade net in the early morning, and then remove it at night. Usually transplanting is done when the seedlings grow 3-4 true leaves, and the seedlings should be kept 8-10 centimeters apart from each other. When transplanting, move the large seedlings first, then the small ones. Wait until it grows 7-8 true leaves, then planting.

4, planting management

Celery planting seven days before the control of watering, which is conducive to the shape of the root, can enhance the survival rate. Then you need to prepare the soil for planting, and apply enough fertilizer for it. Usually 60-75 tons of organic fertilizer per hectare, 150 kg of potassium sulfate and 210 kg of diammonium phosphate. Planting is usually in March-April, first to the seedbed irrigation, the next day with the root up seedlings, eliminating the weak seedlings after planting.