The amount of medium and trace element fertilizer

What is the application rate of medium and micro fertilizer for various crops? The amount of soil applied by medium-quantity fertilizer is roughly equivalent to that of NPK fertilizer, and even more, and the application amount of trace element fertilizer is less. For example, the application amount of most field crops is only 1~2 kg of zinc sulfate, and borax is only 0.5~1 kg. Economic crops such as fruit trees and vegetables are higher, generally not more than 3 to 5 kg per mu. Therefore, before the sowing or transplanting, the micro-fertilizer is mixed with the moist dry soil or the decomposed organic fertilizer, and then mixed with the base fertilizer or applied. In addition, most of the micro-fertilizer and phosphate fertilizer will form a poorly soluble substance, which reduces the fertilizer effect, so do not mix them together.

Aluminum Precision Turned Parts

1. The hardness of the material is moderate, and the tool wear of the machining equipment and CNC machining center is small.

2. It can be precisely machined into various geometric shapes such as plane, cavity, shell, sphere, arc, and anisotropy.

3. It is not easy to stain and maintain. Aluminum precision parts, precision parts processing, CNC processing

4. It has good durability and is not easy to corrode. With special treatment process, the service life of parts is longer.

5. Aluminum is environmentally friendly and can be 100% recycled, with high recycling value.

The above five points are the material characteristics of aluminum products. Aluminum is a common material in CNC precision parts processing, with moderate hardness, durability and corrosion resistance. In addition, the cost of materials is appropriate. It is the preferred material for most parts manufacturers.

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