Poured wheat yellow water poured wheat yellow water about 10 days before the maturity of wheat, which can significantly improve the microclimate conditions in the field, reduce the damage of dry hot wind, and is conducive to wheat interplanting and summer sowing. According to observations, after pouring wheat yellow water, the wheat grain weight can be increased by 0.8 to 1 g.
Fertilizer spraying in the early stages of wheat flowering to filling, with 1% ~ 2% urea solution, 0.2% potassium dihydrogen phosphate solution, 2% ~ 4% of superphosphate calcium leachate or 15% ~ 20% of the ash leaching fluid Foliar spray fertilizer, spraying 50 to 100 kg per acre each time, can accelerate the growth and development of wheat in the later period, prevent or reduce the damage of dry hot wind, generally increase production by 8% to 15%.
Foliar sprayed vinegar was sprayed with wheat vinegar solution 800 times during the grain-filling period to inhibit transpiration and increase plant drought resistance and heat resistance. At the same time, acetic acid (containing about 4.5% of acetic acid in vinegar) can neutralize the free ammonia produced by plants under high temperature conditions, thereby eliminating the harm of free ammonia to wheat.
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