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I. Variety selection The growth period of the spring-sum-season paprika is mainly in summer and autumn, and it is prone to cause various diseases due to high temperature and rain. Therefore, species selection must pay attention to the selection of heat-resistant and anti-virus varieties.
Second, nursery seedlings to determine the sowing period is the key to achieving higher economic efficiency, the general setting time is around June 20, the latest no later than July 20. The seedlings reach 4 leaves and 1 heart, and the seedling age is about 30 days. Based on this time, the sowing date can be determined. Due to the high price of seeds and the high temperature period for raising seedlings, due to the constraints of their own conditions, ordinary people generally purchase seedlings directly from the nursery, save time and labor, and the seedlings are strong and tidy.
Third, the preparatory work before planting Since the spring and summer pepper colonization is at a higher temperature period, the root disease is heavier, combined with the farmers generally re-planting, the shed in the accumulation of pathogens, continuous obstacles. Therefore, soil disinfection must be done first before planting, and the method of fumigation or high temperature stuffing can be used. Since the roots of peppers have poor regenerative ability after being injured, if a large amount of fresh chicken manure and pig manure are applied, it is easy to burn roots during decomposing and aggravate dead trees. Therefore, it is recommended that livestock manure be completely decomposed before use, and with bio-organic fertilizer. About 7 days before the planting of the crop, organic fertilizer was thrown into the ground in advance, and the soil was deep and flat. For places with high groundwater table, they can be planted along a 65cm line spacing, with a 30-40cm high ridge, and a small amount of water can be poured along the ridge, and a hole can be planted on a horizontal line; where the groundwater table is low, follow the 70cm line spacing from the middle. Open "V" gutters with a depth of about 20-25 cm, and then make water through the small ditch and build a planting hole in accordance with the horizontal line.
Fourth, after planting management will be planting points in accordance with the distance of 50 cm after the excavation, the increase in the hole in the anti-bacterial anti-bacterial 968 seedlings planted dead or a large source of roots and other biological bacterial fertilizer to prevent dead trees. When planting, planting water along with the planting, the amount of water to drench is appropriate, not too large. Do not bury the soil worms too deeply when planting. Be sure to follow the same level as the roots of the roots. It is strictly forbidden to bury the basal stems to prevent the occurrence of multiple root diseases due to high temperature and humidity. In order to prevent the high temperature at noon, black shade nets can be covered on the roof to facilitate the smooth growth of seedlings.
After 7-10 days of colonization, the temperature should be controlled at 30°C and a number of cultivators should be conducted. The first cultivator should not be too deep, usually 3-5cm, it should follow the principle of shallow depth. The purpose of the cultivator is to loosen the soil, increase the permeability of the soil and promote the growth of the root system. The second is to protect the soil and prevent the soil water from evaporating too quickly. The third is to eliminate the grass and reduce the habitat of pests and diseases.
After 3-5 days after planting, the water is once irrigated and cultivated again. Since the temperature is too high during this period of time, the surface should be kept moist as much as possible, so it is better to see dry and wet, and water should be poured when the water is poured. Flood irrigation. In the process of watering, buckets can be used to raise water at any time to wet the large walkway, but water can not be used to keep it at 28-30°C. About 7 days after colonization, roots and roots were inoculated with biological inoculants for two consecutive times, which promoted robust roots and effectively prevented dead tree phenomenon. Due to the high temperature season, the cultivation time of the alfalfa is short. Therefore, the pruning method is different from that of the wintering alfalfa cultivation. The multi-dry pruning method should be used, and 6-7 main fruit sets can be left after the experiment, which can effectively increase the yield in the early stage. In the pruning, it should be considered whether the planting target of the sweet pepper is to harvest color fruit or green fruit. It is recommended that the fruit be harvested from the four-door bucket, and that the selection of the fineness of the sweet pepper should be avoided. Generally, one trunk can retain 3-4 fruits to achieve the purpose of high yield.
V. Prevention of pests and diseases During this period, the main diseases are stem rot, virus disease, scab, bacterial leaf spot and so on. Foliage can be prevented by spraying 800 times of 5% pyrimidase, 1000 times of 10% of mixed fatty acids, 1000 times of 3% of mesitulin, or 2500 times of 72% of streptomycin.
Insect pests mainly include whitefly, aphids, thrips, and diamondback moths, and can be prevented by using aphids, imidacloprid, spinosad, and methotrexate.
Early Spring and Summer Pepper Color Management Results
In spring and summer, picking peppers refers to a cornice arrangement for sowing seedlings in the spring and producing summer and autumn production. With the rapid economic growth, the level of consumption is also rising, and some of the original high-end vegetables have also become popular dishes on the consumer's table. The color bell peppers are favored by everyone due to their superior quality and rich nutrition. However, it is difficult to produce in the hot season due to the restriction of the variety on the environment. Therefore, every autumn and winter alternates, and the price rises on the eve of New Year's Day. Many greenhouse growers have seen this opportunity to plant large areas and have achieved good economic benefits.