1, foliar spray fertilizer to prevent premature aging
In this period, dressing with foliar surface can promote the recovery of wheat damaged by freezing, and it can prolong the functional period of the leaves, increase the photosynthetic efficiency, prevent disease and lodging, and reduce the damage of dry hot wind. Mu with 0.3% KH2PO4 plus 1 ~ 2% urea mixture, or with Rongda, Century Star and other ecologically active fertilizer for foliar spray. It is usually sprayed once at the heading stage and the filling stage, and the defertilized field can be sprayed once every 10 days.
2, disease prevention and pest control, "one spray and three defenses"
If the incidence of powdery mildew is heavy and the disease is early, spray active triadimefon 8.75 grams per acre 30 days before wheat harvest, plus avermectin and 50 kg of ecologically active fertilizer against water to control powdery mildew and insect pests.
In the middle of May, 40% avermectin plus 70% thiophanate-methyl 50g, plus 50 grams of Dafeng eco-active fertilizer, and 50 kg of water, mixed and sprayed for 2 times to prevent panicle blast and armyworm And powdery mildew, leaf blight, rust, blight, head blight and other pests and diseases.
3, irrigation and drainage
Water should be properly watered during the filling period, and it is best to spray irrigation to prevent flooding to prevent flooding, and to prevent dry hot wind hazards. In case of rainy weather, pay attention to dredge the “three channels†and let the drainage wet down so that there is no accumulation of water in the rain and ensure the normal growth of wheat.
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