1. Foliar spray fertilizer to prevent premature aging
This season's foliar topdressing can promote the recovery of frozen wheat, and can extend the functional period of the leaves, improve the photosynthetic efficiency, prevent disease and fall, and reduce the damage of dry and hot wind. Use 0.3% KH2PO4 plus 1-2% urea mixture, or use Fenda, Century Star and other ecologically active fertilizers for foliar application. It is usually sprayed once at the heading stage and the filling stage, and the de-fertilized field can be sprayed once every 10 days.
2, prevention and treatment of insects, "one spray three defenses"
If the incidence of powdery mildew is serious and the disease is early, the active ingredient of triazolone can be sprayed 8.75g on the acre of wheat 30 days before the harvest, plus avermectin and 50kg of ecologically active fertilizer to control powdery mildew and insect pests.
In the middle of May, 40% avermectin plus 70% methyl thiophanate 50 g, plus Dafeng ecological active fertilizer 50 g, 50 kg water, mixed spraying 2 times, control of sorghum, armyworm And pests such as powdery mildew, leaf blight, rust, sclerotium, and scab.
3. Irrigation and drainage
In the filling period, it is necessary to properly water the drought. It is best to sprinkle irrigation to prevent flooding of large water to prevent lodging and prevent dry heat. In case of rainy weather, pay attention to dredging the “three ditchâ€, draining and damping, so that there is no water in the field to ensure normal wheat growth.
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