Greenhouse Celery Varieties and Planting Timing

1. Variety selection

The celery varieties currently used in greenhouse production are Tianjin Solid and Southern Glass Cui.

2. Seedling time and method

The planting period is early July or mid-July. Place the seeds in a cloth bag, soak them in cold water for 24 hours to remove the dry water, hang them in a water well or put them in a cellar (18 ~ 20 ℃) ​​to germinate, and plant them when they are white for 2 ~ 3d. Sowing maggots should be selected on high-dry and well-drained plots. 3000 ~ 4000kg of high-quality farm manure is applied per acre. In order to prevent the sun from burning in the rainy season or slamming in the rain, you can set up a shade shed on the seedling mulch. About half a month after the seedlings are ready Withdraw. After emergence, the soil should be dry and wet, and a small amount of water should be poured every 3 to 4 days. In the middle of seedling cultivation, irrigation can be combined, and ammonium sulfate or ammonium nitrate can be applied 10 kg per acre.

3. Planting time and method

The planting time is mid or late August, but it can be advanced or delayed. 5,000 kg of high-quality agricultural fertilizer was applied to the acres of acres, and it was deep-turned to make hoe. One-to-one hoe was planted in 6 to 7 rows, and the plant spacing was about 4 cm.

4. Management after planting

Keep the soil moist. It is strictly forbidden to immerse in large water. Cover the greenhouse film in mid-to-late October, and release the air when the temperature exceeds 28 ° C. In the future, as the outside temperature decreases, the amount of air released will decrease. In late September and late October, you should topdress each time. In the cold season, pay attention to heat preservation, reduce the number of irrigations and the amount of water, and drain the moisture in time after the water is accumulated.

5. Harvesting

Greenhouse celery is split, and the outer leaves of celery that have grown to a certain height are split. Generally, 2 to 4 leaves are harvested per plant, and the last time the whole plant is pulled up. Do not water for one week after each harvest to prevent decay.

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