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1. Jinnan Shiqin 2
The variety is cold-tolerant, heat-resistant, disease-resistant, has a fast growth rate, is late in bolting, and has a high yield. The petiole is solid, light green, fresh meat is tender, crude fiber is less, and the celery is thick.
2. Gross celery
This variety is a small celery for farmers. It has a wide range of temperature adaptation, fast growth, and a strong celery flavor. It can be cultivated in more than 15 to 20°C and can be produced throughout the year.
Second, nursery transplanting
For winter cultivation, seedlings need to be sown in the middle of August. For every 667 square meters of land to be seedbed 50 to 60 square meters, per square meter seedbed with the amount of 3 to 5 grams, per square meter of seedbeds applied decomposed organic fertilizer 3 to 5 kg, 0.2 kg of diammonium phosphate. Before the nursery, every square meter of nursery bed is sterilized with 50% carbendazim WP 8 to 10 grams or 50% dexcone wettable powder 5 to 8 grams. Covering the nutrient soil after sowing, the thickness is 0.3-0.5 cm, maintaining a certain degree of lyricism. When the seedlings grow to 7 to 8 leaves, they are transplanted.
Third, planting technology
1. Colonization is generally performed in the middle or late September. Before planting, apply 4,000 to 5,000 kg of decomposed organic fertilizer, 30 to 40 kg of diammonium phosphate, and 5 to 10 kg of potassium sulfate per 667 square meters, and apply 0.5 kg of 50% carbendazim WP per 667 square meters to the soil. disinfection.
2. When the seedlings are planted, the roots should be cut off, and the main root can be left about 2 centimeters, so as to promote fibrous root growth and strengthen the root system.
3. Set the plant spacing from 5 to 8 centimeters, spacing 15 centimeters, north and south direction, about 667 square meters Baomiao 68 500 strains. Every 2 to 3 meters wide hit a handful, so that watering.
Fourth, fertilizer and water management
1. Each planting plant should be planted in a timely manner. After 3 days, the seedlings were irrigated with water. At this time, the new leaves began to germinate. In case of high temperature, shading should be carried out while maintaining soil moisture and avoiding drought.
2. When the new leaves grow about 10 cm when the seedlings, the time is 7 to 10 days, after the end of the seedlings as the soil moisture, water every 5 to 7 days 1 water, in order to maintain the soil surface see dry see wet principle.
3. When the plant grows to 25 to 30 centimeters, it enters a vigorous growth period, watering once every 3 to 5 days, and applying topdressing urea 15 to 20 kilograms per 667 square meters in conjunction with watering. ~ 0.4 kg). Afterwards, topdressing according to the growth potential of the plants, if necessary, outside the root dressing, should grasp the principle of light recovery, ground recovery.
Fifth, temperature control
1. The optimum growth temperature of Maoceli is 15 to 20°C during the day and 10 to 15°C at night. When the room temperature exceeds 25°C, the air is released from the air and the air is discharged at a sunny noon. When the nighttime temperature is lower than 8°C, heating is performed to increase the temperature.
2. After the seedlings are over, the cultivator loosens the soil and promotes the growth of the root system. The cultivator should not be shallow enough to avoid injury.
VI. Pest Control
1. Blight
The main damage to the celery leaves, affecting the value of goods. In the early stage of disease, 70% mancozeb WP can be used to spray 100 times of water into 400 times or 70% thiophanate-methyl wettable powder 40 grams of 1000 times into water.
2. Locusts
Can be used 10% imidacloprid wettable powder 1500 ~ 2000 times or 2.5% Paul, Kung Fu EC 3000 times for control.
7. Harvesting
When the petiole length exceeds 30 centimeters, the temporal lobe is harvested. The first harvest should eliminate 2 to 3 old, unproductive old leaves. From the middle and late November to April the following year, it can be harvested 6 to 7 times. After the plant has convulsed in April, the whole plant uprooted the site to sow the next crop.
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Winter Cultivation Techniques of Greenhouse Celery
I. Variety selection
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