According to the analysis of the Climate Center, the city has continued to maintain high temperature around 30 °C in the near future. The continuous high-temperature and high-temperature weather has adversely affected the production of suburban vegetables. The following technical measures are proposed for reference. Strengthening the management of vegetables in the field The first is to use shading measures. High temperature weather advocates the use of sunshade nets to cover strong light, strong ultraviolet light, high temperature and other protective measures to prevent high temperature burning leaves, reduce adverse effects, improve quality and extend the time of market. The second is to strengthen ventilation and cool down. Trim the lower old leaves, increase the ventilation, and achieve the purpose of disease prevention and cooling. The third is to cover the surface and make up the fertilizer. In accordance with the principle of thin fertilizer application, the drip irrigation facility is used to irrigate in the early morning and evening, and to supplement the fertilizer. Strengthening the cultivation of autumn vegetables Now it is a key period for planting autumn vegetables such as broccoli, solanaceous fruits and melons. It should be planted in a timely manner, with control as the mainstay, promoting control and combination, preventing seedlings from growing and cultivating age-appropriate seedlings. First, the seedbed is covered with a comprehensive shade net and insect net to prevent seedling burns and pest damage. After about 30% of the emergence of the seedlings, the cover time can be gradually reduced by the climate. The vegetable seeds with weak germination such as lettuce and celery can cover the shading on the kneading surface and remove them in time after emergence. The second is to keep the soil moist as much as possible. In addition to watering every morning and evening, the horse water can be watered in the evening for 3-5 days. The micro-sprinkler irrigation technology is used to cool down and humidify, and the fan is used to enhance ventilation and improve the growth environment of vegetable seedlings. The third is to use seed trays and light-weight substrate to maintain seedlings, pay attention to the amount of phosphorus and potassium fertilizer, and control the amount of nitrogen fertilizer to prevent seedlings from growing and improve seedling quality. Strengthening the management of vegetable fields Remaining plants from the last crop are removed in time. Clean up the weeds in the ditch, canal and roadside, and use the high temperature and favorable weather to reduce the salt in the soil by using soil disinfection methods such as ploughing and drying soil, irrigating the fields, and high temperature shacks (above 70°C in the shed). The disease, insect and grass source base ensure the soil safety of the production of sorghum vegetables. Strengthen pest management In high temperature and dry weather, vegetable pests are frequent, and physical and biological control measures such as insect nets, insecticidal lamps, insect attractants, swatches, and high-efficiency and low-toxic pesticides should be vigorously promoted to reduce the number and usage of pesticides, and pay attention to safety intervals. To ensure the quality and safety of vegetables. At the same time, it is necessary to pay attention to the safety of medication, spraying in the morning and evening when the temperature is low, to prevent plant phytotoxicity and heatstroke and pesticide poisoning. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
The herbal extracts go through scientific extraction and processing process, which effectively retains the active ingredients in the plants without chemically synthesized substances and is harmless to human body. And it does not produce side effects in the process of use. The molecules of herbal extracts are small, easily absorbed by the body and can work quickly. The more prominent point of herbal extracts is that they are not easily affected by the external environment during storage and use, and remain stable.
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Introduction of herbal extracts