1. Watering slurry, chasing slurry
The grain filling period is the final formation period of wheat grain yield and has an important impact on the high yield of wheat. During this time, wheat has a large demand for water, and it should be combined with irrigation to apply 3 to 5 kg of urea per acre. If there is a rainfall with a precipitation of more than 20 mm during the grain filling period, the slurry may not be poured. However, if the precipitation during the filling period is not enough, you can consider pouring the slurry. For plots with large populations, excessive growth, and tendency to fall, there is no need to pour water or topdress.
2. Spray surface fertilizer, anti-dry hot air
In the late growth stage of wheat, the absorption capacity of the root system is weakened. Topdressing of wheat leaves can prolong the leaf function period of wheat, improve photosynthesis, prevent disease, resist lodging, and reduce the damage of dry hot wind. In order to improve the 1000-grain weight of wheat and optimize the quality of wheat, it can be sprayed every 7 days: 0.4% potassium dihydrogen phosphate and 2% to 3% urea mixture, and other ecologically active fertilizer can also be added in the foliage. Spray.
3. Do a good job in preventing pests and diseases
Wheat filling period is a key period to increase the 1000-grain weight of wheat, but this period is prone to a variety of pests and diseases. Main control: wheat bran and leaf blight, scab, rust, wheat powdery mildew. The first half of May is the key period for disease prevention and treatment of insects. Xiaobian provides recipes for farmers to control pests and diseases such as aphids, powdery mildew, sputum, scab, rust, leaf blight, dry hot wind:
(1) 70% imidacloprid wettable powder 3 to 5 grams, plus 45 percent of benzyl promethamine 25 grams, plus 98 percent of potassium dihydrogen phosphate 100 grams, plus 0.01% 8 ml of lactone lactone, plus 80 ml of beta-cypermethrin EC 80 ml.
(2) 50% nitenpyram wettable powder 8 to 10 grams, plus 25 percent of benpropidazole emulsifiable concentrate 30 ml, plus 98 percent of potassium dihydrogen phosphate 100 grams, plus one hundred Divide 0.0 of brassinolide 8 ml, plus 4.5 ml of beta-cypermethrin EC 80 ml.
(3) Percent of bifenthrin aqueous emulsion 80 ml, plus 98 g of 98% potassium dihydrogen phosphate plus 10 ml of cyanobacterial tebuconazole suspending agent 10 ml.
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