First, the selection of a good variety, Jimai 22, is a precocious, disease-resistant and high-product variety popularized in our province.
Second, the soil fertigation Fertilizer crops corn harvest, as soon as possible return straw, straw length is less than 5 cm, before sowing Mu Shi Jiading Xin granules 1.5 kg control underground pests, Oregan straw decomposition agent 2 kg, promote straw maturity . Stanley compound fertilizer 50 kilograms (with 45% organic matter, NPK>5%), 15 kilograms of urea.
Third, the appropriate sowing on October 12 sowing, sowing 15 kg.
Fourth, field management
1. Watering Before Winter Watering on November 18th, the soil was practically solved, and the problem of rotary cultivation of soil saplings and dead seedlings of wheat roots after corn stalks returning was solved, and the occurrence of tillering and secondary roots before winter was promoted, and the construction was strong. Seedlings group.
2. Pre-winter chemical weeding On December 20, we used a backpack-type sprayer to spray imidazolam (2 bags/mu) + difluoro-fluorochloroester (1 bag/mu) of herbicide, and 30 kg of mu liquid. Before winter weed plants are dwarf, weak, poor drug resistance, small dosage, and economic benefits.
3. Watering in the middle and later stages of the jointing of wheat On April 20, watering topdressing 15 kg of urea per acre, watering after the two-stage differentiation of the middle and late stages of jointing of wheat, and the nitrogen fertilizer is controlled backwards to prevent growth, prevent lodging, and promote large grains and many grains.
4. Watering at the grain-filling stage of wheat Watering on May 12th prolongs the functional period of the flag leaf, improves the leaf surface coefficient, and the number of panicles, grains per spike, and grain weight per thousand also increase correspondingly.
5. In the late wheat period, one spray, three sprays, and four anti-poisons were sprayed on April 17th with potassium dihydrogen phosphate 100g per mu and 25 kg per mu. May 8 spraying potassium dihydrogen phosphate per acre 100g, plus 50% anti-in Wei Wei 50g, on May 14 to manually remove field weeds and miscellaneous wheat.
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