Qiao applied fertilizer. The flowering and poding period is the peak period of soybean requirement in the life of soybean. The hole can be opened 5-7 centimeters away from the soybean root, and topdressing 5-8 kilograms of urea per mu. If the soil fertility is higher, the basal or seed fertilizer is sufficient, and the plants grow vigorously and luxuriantly, little or no topdressing should be applied, so as to avoid causing leggy, lodging, or flower bud fallout. In addition, phosphorus deficiency can catch 7-19 kilograms of calcium phosphate per acre.
Apply fertilizer. After soybean enters the squash phase, the root activity gradually declines and the fertilizer absorption capacity weakens. At this time, foliar supplementation measures are taken to make up for the nutritional deficiencies in the scalloped grains, decrease the number of falling flowers, improve the yield, and enhance the quality. Can spray 30% of superphosphate 50-70 kilograms per acre, if there is a phenomenon of dislocation, it should also spray 0.5 kg of urea to prevent premature aging.
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