Greenhouse celery varieties and planting schedule

1. Variety selection

The celery varieties currently used for greenhouse production are Tianjin Shixin and South Glass Cui.

2. Time and method of growing seedlings

The sowing period is early or mid-July. Pack the seeds in a cloth bag, soak them in cold water for 24 hours to remove the controlled dry water, hang them in a well or put them in a cellar (18-20℃) to accelerate germination, and sown after 2-3 days of exposure. The sowing borders should be selected in high-dry, well-drained plots, and 3000~4000kg of high-quality farmyard manure should be applied per mu. To prevent the rainy season from being exposed to the sun or rainstorms, a shade shed can be placed on the seedling borders, and the seedlings can be about half a month after they emerge Removed. After the emergence of the seedlings, keep the soil dry and wet. Water a small amount of water every 3 to 4 days. In the middle of the nursery period, it can be combined with irrigation, and topdressing ammonium sulfate or ammonium nitrate topdressing 10kg per mu.

3. Planting time and method

The planting time is mid or late August, but it can also be early or late. Apply 5000kg of high-quality agricultural fertilizer to acres of land preparation, deep turn into borders, one-meter borders are planted in 6-7 rows, and the spacing between plants is about 4cm.

4. Management after planting

Keep the soil moist, prohibit flooding, loosen the soil in time after slowing down the seedlings. Cover the greenhouse film in the middle and late October. When the temperature exceeds 28℃, the air will be released. Later, as the outside temperature will decrease, the amount of air will be reduced. Topdressing is required in late September and late October. In the severe cold season, pay attention to heat preservation while reducing the frequency and volume of water irrigation, and drain the moisture in time after accumulation of water.

5. Harvest

Greenhouse celery adopts splitting, which means that the outer leaves of celery that have grown to a certain height are split. Generally, 2 to 4 leaves are harvested from each plant, and the whole plant is uprooted for the last time. Do not water within a week after each harvest to prevent rot.

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