Soybean scientific fertilization technology

1. Applying base fertilizer This is the basis for high yield of soybeans, especially spring soybeans. The growth period is longer and the base fertilizer is more important. Generally, 1,500 kg of high-quality farmyard manure is applied, 10 kg of ammonium bicarbonate, 30 kg of superphosphate, 5 kg of potassium chloride or potassium sulphate, mixed before application or hole application or combined with layering or full layer Apply.
2, the use of good fertilizers Currently used ammonium molybdate seed dressing, with 5g ammonium molybdate dissolved in 0.5 kg of water, evenly sprayed on 15 kg of beans, until the seeds dry and sow.
3, timely topdressing soybean topdressing is generally carried out in the seedling stage, flowering and pod-forming stage. Before emergence to flowering, it should be topdressed according to the condition of the seedlings. Thin field thin seedlings or summer and autumn soybeans should be applied with 3-4 kg of urea per mu. Flowering topdressing 5-7 days before flowering or beginning flowering period, 4-5 kg ​​of urea or 8-10 kg of ammonium sulfate should be applied per acre to ensure the nutritional needs after flowering, reduce flower pods and promote fullness of seeds. Foliar top dressing can also be carried out with 50 kg of 0.5-1% potassium dihydrogen phosphate solution per acre at the flowering stage.

Huaxian County Fertilizer Station Yue Xiuli

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