1. Choose good breeds. Purchase high-yield and stable disease-resistant varieties or high-quality special varieties that meet the national regulations.
2. Improve the quality of soil preparation. According to the requirements of "straw returning to the fields must be deep plowing, rotary cultivation and sowing must be compacted" requirements, improve the quality of soil preparation, and lay a good foundation for sowing.
3. Scientific fertilization. Expand the area of ​​soil testing and formula fertilization, adhere to organic fertilizer as the basis, combine organic and inorganic resources, and combine land use with land, on the basis of deep plowing, return all corn stalks to field; continue to control nitrogen fertilizer on chemical fertilizer application, determine soil phosphorus and potash fertilizer by soil testing Dosage, appropriate adjustment of nitrogen based recovery ratio.
4. Precision metering. According to the characteristics of varieties, grain size, sowing date sooner or later and soil fertility and other conditions to determine the amount of sowing. Rotary tillage and sowing of wheat fields must be preceded by sowing or after sowing, suppressing practical soil to prevent sowing. Heavier lands of clay can be properly sown in order to facilitate emergence.
5. Prevention of pests during sowing. This year, the main control targets for diseases and insect pests during wheat sowing are soil-borne diseases such as total erosion, sheath blight, cyst nematode, smut, and root rot, as well as underground pests (cockroaches, cockroaches, wireworms) and wheat midges. At the same time, it also prevents stripe rust, powdery mildew, aphids, and planthoppers, etc., and lowers its occurrence base. (1) In areas where full-blown rot occurs more frequently, it is recommended to use 125 g/L of thifluzamide (completely etched) for 20 ml of seed coating, or 30 g/l of difenoconazole (dichlorfen). Cloth preparation 60 ml, or 30 g/l difenoconazole 40 ml + 25 g/litre Fludioxonil (Closure) Seed coating agent 20 ml Treated wheat seeds 10 kg. Soil treatment can also be done with pesticides before planting. Specific methods: 70% thiophanate-methyl (thiophanate-methyl) or 50% carbendazim 2-3 kg per mu, or 50% omeprazole 3-5 kg. Add 20-30 kilograms of fine soil, spread it after ploughing and mix well. The seeds transferred from the ward to the disease-free area must be treated with a chemical agent before sowing. 30 ml/l difenoconazole 40 ml or 25 g/l fludioxonil per 10 kg of seed is used for coating. Sporadic wards should use fumigation of methyl bromide for the soil at the site of disease and its surrounding soil, or use thiophanate-methyl, carbendazim, etc. for soil treatment, and use silphenaramide or “difenoconazole+fungi Nitrile" for seed treatment. (2) In most areas, sheath blight, root rot, smut, etc. should be the main targets for prevention and treatment of rust and powdery mildew in autumn, optionally using 2% tebuconazole (Liquix) wet mix or 60 grams per liter of suspension seed coating agent, 30 grams per liter difenoconazole, 25 grams per litre fludioxonil, 0.8% nitrioxacin suspension seed coating, etc. Wheat seed coating or seed dressing at the recommended dose . For wheat cyst nematode disease particularly serious fields, can be applied when the wheat planting gourd 5% (linear enemy) granules 3 kg per mu, the disease has a certain control effect. (3) For the prevention and control of underground pests (slugs, cockroaches, and golden needleworms), phoxim and methyl isophosphorus may be used for seed dressing. The latter may also be used for the treatment of rodent pests. In areas where the soil pests are serious, in addition to seed dressing, soil treatment of the roadside chemicals is required during sowing.
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