1. Seed preparation. Before the sowing of wheat seed germination test, the germination rate of not less than 85%; sowing before sowing, the seeds spread into 3 cm to 7 cm thick before sowing, drying 1 day to 2 days, when the sun is weak, may be appropriate to extend the sun Kind of time. Sawn seeds can increase germination rate and germination potential; before sowing, underground pest mixed areas, 50% phoxim emulsion or 40% ethyl isothiophophate emulsion and other pesticides can be used, 1 kilogram of original drug plus 50 kilograms of mixed wheat seed 500 Kilograms ~ 700 kilograms; to prevent wheat black blast, sheath blight can be used "Silk hour" or "dimonizol" seed dressing, with 2.5% "Clark" 10 grams add water, 250 grams seed dressing 10 kg, or 12.5 % diniconazole wettable powder 2g-3g, add water 250g seed dressing 10kg, before sowing, use seed coating agent to 'seed' the seed, not only can prevent pests and rodents, but also make the seedlings Even, Miao whole, Miao Zhuang. Coated seeds can be exempted from soil treatment and dressing. 2. Soil treatment. Use 6% lindane powder or 2 kg of methyl isofluosad granules per acre on the surface before plowing. 3. High standard land preparation. The standard for fine soil preparation is “deep, clean, fine, solid, and flatâ€. All machines are ploughed and deep ploughed. The cultivating depth is 7 inches to 8 inches. After the machine is ploughed, it is matched with machine boring, boring, tamping, and boring. The net roots, the virtual reality. 4. The next one is enough. Before wheat sowing, soil moisture content of 0 cm to 20 cm soil layer: clay 20%, loam soil 18%, sand soil 16%, detection method according to NY/T52, so that the plantlets are enough to ensure full seedlings. 5. Sow. Early-winter wheat fields are planted in semi-winter varieties, and the suitable sowing date in northern wheat areas is October 5 to October 10. Late-sunny wheat fields are planted with weak spring varieties. They should be sown after October 15th, sowing early, and before winter There is a prosperous phenomenon that is not conducive to safe wintering. During the suitable sowing period, according to the characteristics of each species, reasonable sowing volume should be arranged, and sowing should be appropriately increased for late planting. Types of semi-winter plants range from 6 kg to 8 kg per mu, and weak spring varieties range from 8 kg to 10 kg per mu. The basic seedlings in the mu were between 135,000 and 165,000, and the wintering population was between 600,000 and 700,000. To strictly control the appropriate sowing depth and evenness, vigorously promote the machine sowing, sowing depth of 3 cm to 4 cm, and uniform seeding, consistent depth, increase the seedling rate, to achieve a seeding seedlings. 6. Field management. (1) Repression after sowing, crushing clods, and sinking the soil so that the seeds are in close contact with the soil, which will facilitate the broadcast of whole seedlings. The quality of the soil will be poor and the quality of the soil will be poor. jobs. For plots lacking seedlings and ridges, seeds of the same variety should be used for soaking, germination and dew-whitening, and sowing, while watering, mulching, and solid soil to ensure emergence. The seedlings are transplanted and transplanted, and the transplanting can be carried out in the three-leaf stage, so that no pressure is exerted on the plants and the plants are not exposed, and the plants are watered in time. (2) cultivator. Focus on the winter and early spring season, the general cultivator 2 to 3 times, especially after watering, be sure to timely soil protection, Wang Miao deep cultivator about 3 cm. (3) In addition to chemical control. When wheat enters the spring, it is a period between vegetative growth and reproductive growth. For wheat fields that grow too vigorously after returning green, appropriate amount of paclobutrazol or Zhuangfengan should be sprayed. During the period of returning to the green stage and the beginning stage, paclobutrazol or Zhuangfeng'an 50 grams per mu is sprayed. Add water 50 kg to 60 kg. Chemical weeding, for dicotyledonous weeds, use 0.2% to 0.25 liters of 20% dimethyl tetrachlorohydrin per acre or 75% of superstars 1.5 grams, plus 50 kilograms of water to prevent and control; for weeds such as hardgrass, phloxmae, etc. , Use 25% isopropanol wet powder 0.5 kg per acre and add 50 kg of water to prevent and cure. Good early effect of medication is from late February to mid-March. (4) Fertilization. According to the law of wheat's demand for fertilizer, before planting wheat, sufficient base fertilizer, organic fertilizer 3 to 4 square meters per acre, pure nitrogen 8.5 kg, 7 kg of pure phosphorus, 6 kg of pure potassium: winter fertilizer, weak growth due to lack of fertilizer in the winter In the wheat fields, the overwintering groups do not meet the standard of strong seedlings, the number of mu groups does not exceed 500,000, and the urea application rate is 10 kg per mu in the tillering period before the winter; the spring top dressing is in the returning green period or the up period, and the population is too small for the second and third wheat fields. , Apply 15 kg of urea per acre; Late top dressing in the booting or heading stage, spraying 4 kg to 5 kg of urea per acre, or 1 kg of urea per acre plus 50 kg of foliar spray. After full heading, use 100 g of monopotassium phosphate per acre and spray 50 kg of foliar spray. (5) Watering. Before the wheat is sown, it is necessary to pour water at the end of the crop to ensure that the seeds are fully planted to facilitate the seedlings. Combine the top-dressing wintering water with the top-dressing during the winter tillering season; for the first time in late November or early December, when the average daily temperature is about 5°C, pour the second wheat over the winter water; turn green or start pouring back to Qingshui, do not In wheat fields cultivated in winter, soil water content is less than 18%, soil is less than 16%, sandy soil is less than 14%, and it should be poured and returned to Qingshui; wheat fields that have not been poured back to Qingshui should be poured and water-saving during the jointing period in time. In the middle and late of the month, when wheat enters the booting stage, in order to ensure that the soil has sufficient moisture, it will be poured well in mid-April; it should be carried out about 10 days after the wheat is lifted, and the wheat must meet its moisture requirements before entering the peak of grouting. Pulp water is poured to speed up grouting and increase grain weight. Watering methods should be filled with water at a later stage. Small water should be poured, and flooding should be avoided to prevent late-maturing glutinous rice and lodging. (6) Pest control. Spring sheath blight, leaf blight, powdery mildew, red spider, late red fungus, rust, locusts and so on. Per acre with 15% triadimefon or 20% Jinggangmycin 2000 times 15 kg control of sheath blight, time from late February to early April; use 15% of triadimefon 1000 times 30 kg per acre control white powder, leaf dry , Rust, after the time in late March; 40% carbendazim suspoemulsion 500 times 30 kg per acre to control scab, the time in the heading flowering period, with 40% omethoate 1000 times per acre liquid to 1500 Or 50% anti-inferiority WP 4000 times liquid 50 kg, control of wheat aphid, armyworm, early cotton bollworm after wheat heading
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