Overwintering eggplant is a cultivation mode for annual production, supply of severe winter and early spring market. It is planted in mid-September in September, planted in mid-November, and harvested in mid-January. Until the following year, from June to July, the yield per mu can reach 9000. Kg, the average market price per kilogram is 4.0 yuan, the income per mu is up to 36,000 yuan, and the production cost is 0.38 million yuan, and the net profit is 32,200 yuan.
The main cultivation techniques are as follows: The wintering 茬 eggplant is best grafted, which can greatly improve the plant's resistance to high yield and quality products.
1. Variety selection: The scion selection is “Fengyan No.1â€, the amount of seed used is 50g, and the rootstock is selected “Torubamâ€. The amount of seed used per mu is 5g.
2, seedling: (1) sowing date: using the splicing method, the rootstock seedlings are more than 15 days of dry seeding. (2) Soaking seeds and germination: using variable temperature germination method. (3) Grafting: When the rootstock seedling grows to 4 to 5 leaves, the grafting grows to 2 to 3 true leaves for grafting.
3. Colonization: When the seedling age reaches 60-70 days, the plant can be planted when there are large flower buds of soybeans. The planting is carried out by large and small rows, 80cm in large rows, 60cm in small rows, 45cm in plant spacing, and 2100 plants in planting density.
4, management after planting: (1) temperature management: generally 25 ~ 30 ° C in the morning, 28 ~ 20 ° C in the afternoon, 20 ~ 13 ° C in the first half of the night, 13 ~ 10 ° C in the middle of the night. (2) Fertilizer and water management: Appropriate water control in the early stage, when the door is "blinking", combined with watering mu to chase urea 20 kg, enter the peak period of results, 7 days a water, half a month a fertilizer, each time chasing diammonium phosphate 30 Kilograms and urea 20 kg.
5, pruning method: the use of double dry pruning method.
6, preserved fruit: use tomato spirit and anti-falling 30 ~ 50ppm spray, with 2.4-D 20 ~ 30ppm smudge.
7. Disease prevention and control: The main diseases of this disease are rickets and bacterial wilt.
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