What are the common mistakes in applying fertilizer?

1. DAP is applied with water. After the application of diammonium phosphate with water, it is easy to cause the loss of nitrogen volatilization. Phosphorus only stays on the surface and is not easily sent to the root of the crop.

   2 , the surface of the ammonium bicarbonate shallow application, the soil is not tight, resulting in low fertilizer utilization.

   3 , urea topsoil is rushed to water after spraying, even using large water flooding to cause urea loss.

   4 , superphosphate directly seeded. Superphosphate contains 3.5%-5% free acid, which is highly corrosive. If it is directly mixed with superphosphate, it can easily corrode the seeds and reduce the germination rate and emergence rate of seeds.

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