Fertilizer different usage is different

Zinc fertilizer: The main species is zinc sulfate. The base application rate is 1 to 1.5 kilograms per acre, and the soaking is immersed in 0.03% to 0.05% zinc sulfate solution for 12 hours. When seed dressing, 4 to 6 grams of zinc sulfate per kilogram of seed is used, and the spray concentration is 0.2% to 0.3%. Boron fertilizer: The main species is borax. Basal application rate is 0.5-1.0 kilograms, with 0.01% to 0.02% borax soaked for 6 to 12 hours, seed dressing with 0.5 to 1.0 grams per kilogram, spray concentration of 0.2%. Iron fertilizer: The main species is ferrous sulfate. The amount of base application mu is 2 to 3 kilograms, and the application of a mixture of high quality organic manure and acupuncture has a good effect. Soaking with a solution of 0.05% ferrous sulfate soaked for 12 hours, spray concentration of 0.3% to 0.5%. Manganese: The main species is manganese sulfate. The amount of mu for the base application is 2 to 3 kilograms, mixed with high-quality organic fertilizer or applied to acupuncture points. Soaking with 0.05% to 0.1%.

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