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High yield corn fertilization
The thick corn stalk, developed root systems, strong fertility, and rapid growth are crops that require more fertilizer. In order to seize the high yield of corn, sufficient organic fertilizer must be applied as base fertilizer. Fertilizers can be applied to soils with medium or lower fertility. When 5-7 pieces of leaves grow after the corn is set, the first topdressing “shooting seedling fertilizer†is applied. The organic fertilizer is applied with a small amount of nitrogen fertilizer, and about 5 kg of ammonium sulfate is used to promote seedling growth. If the amount of basal fertilizer is enough or applied fertilizer, the leaf color is dark green, and seedling fertilizer can be applied less or not. In the 70-100 cm high seedlings, the second topdressing "attack stalk manure" can make the corn stalk thick, conducive to the formation of large ears; can be applied to manure, bauxite or nitrogen fertilizer. The amount of nitrogen fertilizer is about 7.5 kg of ammonium sulphate, which is applied at a distance of 10 cm from the plant and is buried in the soil in combination with a cultivator. In the third round of corn tasseling, "climbing fertilizer" was applied to the application of nitrogen fertilizer to ensure the corn filling phase after the heading of the need for nutrients, this fertilizer has the greatest relationship with corn yield.