With the continuous improvement of people's living standards, people's consumption concepts and consumer behavior are undergoing changes. In particular, the requirements for food quality have become higher and higher, and they have begun to develop from food and clothing to pollution-free, safe and nutritious foods. Rice is an essential staple food in modern life. In order to allow rice consumers to enjoy reliable rice, we must strictly control the prevention, disease prevention, and weed control of rice production, so that the entire quality of green rice can be controlled from the land to the table, ensuring that People's health. Over the past few years, we have explored the prevention and control of pests and diseases of green rice. First, agricultural measures are adopted. Second, low-toxic, low-residue, high-efficiency pesticides are used to reduce pollution and ensure the quality of rice. The specific approach is as follows. 1 The prevention and control of rice diseases is the selection of disease-resistant varieties; the second is to strengthen fertilizer and water management. Increase the use of organic fertilizer to prevent excessive nitrogen fertilizer, too late, close planting, reasonable irrigation; Third, do a good job in forecasting. Provide the basis for "prevention, prevention, and prevention"; Fourth, chemical control. 1.1 Diseases at Seedling Stage Seedling diseases of rice mainly include bakanae disease, blight, and bacterial wilt. (1) Prevention and treatment of bastard disease: immersed with 10% soaking water 5000 times liquid. That is, 2mL medicine can water 10kg can soak 6-8kg. (2) Use a vibrida DSK rice strong agent. The 15kg contents of the three small bags of DSK in the large bag are poured out and mixed evenly, then mixed into the screened 1 cubic meter (1050-1150kg) of the dry field where the pH value is less than 6.5 to make a nutrient soil. The body can be used for 60 square meters of paddy field, placed flat and drenched. This powerful agent combines the three functions of disease prevention, acid adjustment and fertilization, and has 99% control efficacy against bakanae disease, blight, and bacterial wilt. (3) Bacterial blight resistance and bacterial wilt: The 50 ml square meter seedbed used by Rui Miaoqing to dilute 100 kg of water to prevent and prevent soil-borne diseases such as standing, blight, and tripping has obvious effects and is currently the first choice of medicament. 1.2 Prevention and control of Honda disease In early July, in case of low temperature and rainy weather, it was easy to produce rice blast disease. Every 667 square meters with 75% of Yanyan 20g plus micro fertilizer oasis on the 4th 50mL leaf spray, you can prevent rice blast can promote early maturing. 2 Prevention and control of rice pests 2.1 Agricultural measures. Shallow water irrigation is used during adult spawning; when the larvae are damaging, the water is drained to dry the fields, and the weeds at the side of the road and the weeds are removed at the same time to reduce the source of insects and reduce the damage and dosage. 2.2 Chemical control The key to green rice production is pest control technology. Resolutely eliminate the use of highly toxic, highly toxic, high-residue pesticides, teratogenic, genetic mutations, and carcinogenic pesticides. For every 667 square meters, 40-60mL of water is sprayed with 50-60kg water to prevent leaf miners, negative mud insects, and rice rockclaw. The residue is low and the control effect is high. 3 Prevention and control of rice weed damage 3.1 Seedling weeding (1) Wind-screening, screening: Screening out the seeds and impurities in the seeds to improve the clarity of the seeds to reduce the occurrence of weed damage. (2) Seedling chemical weeding: spraying 40% Dingtao EC 20mL with water 6kg, sprayed on 50-60 square meters of seedbed soil, coated immediately after application. 3.2 Honda Weeding (1) Closure of Herbicide: When the field is settling in the field, use poisonous soil method to apply 80-100 mL of Schmidt per 667 square meters, and the area of ​​more than 3 pieces of grass plus 10% of Vernon to maintain the water layer 3 - 5cm, 3d after transplanting. 10-15d after transplanting combined with chasing urea 40-60mL per 667 square meters mixed Maret, and Weinan or grass grams 10 grams of the second herb. (2) Weeding after seedling: 5 to 7 days after transplanting, use 100-120 mL of Marshall per 667 square meters, plus 10 grams of Weinan or grass busker; or 10 days after transplanting rice completely, reduce seedlings per 667 square meters. Feite 70-80mL.
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