Northern celery cultivation techniques

Seedbed preparation

Seed beds should be selected for soil loose, fertile, convenient irrigation plots, high-quality fertilizer applied 30-45 tons per hectare, 300 kg of urea and appropriate amount of vegetation ash. After ploughing and cultivating, the bed is generally 80cm wide and it is easy to cover the mulch.

sowing

The seeding material of the parsley is fruit, water absorption and germination are relatively slow, and soaking and germination are often performed on the production. Seeds are generally sown when the seed is "white". The sowing method is sowing or seeding. The row spacing is 10-13cm. The seedbed is 2.0-2.5g per square meter, and the field is 19.5-22.5kg per hectare. Cover fine soil 0.5-0.7cm after sowing, and cover the straw to keep moisture moist.

Seedling management

About 5-7 days after sowing can be emerged. The covered straw should be promptly removed. 1 when the center of the leaves and the seedlings begin, after the emergence of leaves and seedlings once each. Calendar seedling age of 30d, physiological seedling age with 4-5 true leaves can be planted.

Colonization

Planting stalked celery in the field should be avoided, and the soil should be fertile and loose. Each hectare pig manure 30 tons, 15 tons of human excrement, plus superphosphate 375kg, potassium sulfate 75kg, after mixing, spreading, plowing, the excrement mixed, after making a fine 80-120cm wide plowing field. Planting spacing 20cm, spacing 15cm, planting 270,000 per hectare. Fill the planting water and cover the mulch with open field cultivation.

Field management

Cultivate and weeding should be done in a timely manner. Generally, cultivating is done 3-4 times and cultivator should be cultivated after each harvest. The growth period should generally be top dressing 3-4 times, topdressing 105-120 kg of urea per hectare, and applying 0.3% of potassium dihydrogen phosphate solution 300-450 kg per hectare.

Pest Control

Leaf spot can be sprayed with 65% zeocin 500 times solution or 50% carbendazim 500 times solution at the beginning of the disease, spray once every 7-10 days, and spray 2-3 times. The aphids can be sprayed with 40% dimethoate 2000 times or 20% cypermethrin 6000 times spray.

Harvesting

80-90d after sowing began harvesting, in order to harvest the middle 3-4 leaves is appropriate.

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