Extra large sweet pepper cultivation technique
The American sweet pepper is thick and sweet, with a single fruit weight of 150-250 grams, and is rich in nutrients. The sweet pepper is a warm-temperature vegetable that is not light-resistant, but has strong disease resistance; it can be planted in wide north and south. It is characterized by a long result period, which takes 90-120 days from emergence to maturity. Due to the slow growth of seedling stage, it is generally appropriate to raise seedlings in early spring. The key points of cultivation techniques are described below.
1, planting time
It is advisable to raise seedlings about 1 month before the end of the local frost. Cover with plastic film, keep warm, moisturize, and prevent freezing.
2, seeding method
(1) The sweet pepper seedlings are basically the same as the general peppers, and can be transplanted in the open air or on the hot bed. In winter and early spring, it is necessary to use a plastic film bow shed to choose a leeward sun. A sunny lot of land. Before the sowing, the ground is well and the base fertilizer is applied.
(2) soaking seeds and germination. Seeds are immersed for 2-3 days before soaking seeds to increase the germination rate. After soaking the seeds, pour the water, then rinse it with warm water once, then cover it with a damp cloth and place it at 20-25 °C to germination. The humidity should be kept at 85%. After about 1 week, most of the seeds have been broken and thumped, and then they can be released. Pour the seedbed water before sowing. After the water is infiltrated, spread the seeds evenly in the acupoints, then cover with a layer of very thin fine soil, then cover with a plastic film with a bow shed and seal the edges. Seedlings should be ventilated in time after they are unearthed. And pay attention to heat preservation, cold protection, and prevent burnt buds or frozen rotten seedlings.
3, nursery management
From sowing to transplanting, it usually takes about 2 months, and the seedling spacing is 3-4 cm. The plastic film is peeled off for 3-4 days before transplanting, and the seedlings can be applied for 10 times before planting. Generally, 100 grams of urea is applied to 25 kilograms of water, or it is poured with rare human waste. When the seedlings grow 2-4 leaves, they can be used for 1 seedling, and the spacing of the seedlings is 3-4 cm.
4. Tianyue Management
(1) Implantation of seedlings. Before the seedlings are transplanted, the seedbed is irrigated with water. Less damage to the roots, in order to improve the survival rate of pepper seedling transplanting. Phosphate fertilizer is applied as a base fertilizer in the acupoint to promote rooting. The planting distance is 30 cm. Generally, about 3,500 plants are planted in acre. After planting, the root water is poured to keep the soil moist.
(2) Sapling loose soil. After 1 week of planting, seedlings can be carried out. The first seedling is very important. It should be 20 cm deep, but it can't hurt the root. In the future, according to the growth of the Miao situation, it will be shallow again and again.
(3) Topdressing and watering. During planting to the first fruiting period. It is necessary to apply sufficient fertilizer to promote fruit enlargement and early maturity. When most plants start to produce results. Can apply 1 time of light fertilizer water. If fertilizing on sunny days, apply thin liquid fertilizer and keep the ground moist.
(4) Harvesting. In order to make the plant strong, when the first batch of fruit grows to 100-150 grams, the morning market can be harvested;
5. Pest control
The main pests of sweet peppers are aphids, tigers, crickets and crickets. In the seedling stage, pesticides such as dimethoate and pyrethroid can be used for prevention and control, and the dosage and method are the same as other vegetables. If the fertilizer and water management in the seedling stage is improper or encounters high temperature weather, it is prone to anthracnose, which leads to defoliation and fruit drop. It can be sprayed with 400 times liquid of thiram. Spray once every 10-12 days. Or use other zinc-containing pesticides to control, which is conducive to the robust growth of the plants, making the sweet peppers large and of good quality.
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