1. Reasons for Ginger Cultivation

Cultivating soil is an important measure to determine the yield and quality of ginger. The proper cultivation of soil can make ginger grow vigorously and yield high. The roots of ginger need to grow in a dark, humid environment, and stop growing when they see the light. Therefore, soil should be cultivated with the growth of ginger. If the soil is not prepared in time, the roots of ginger are exposed to the air, which will seriously affect the quality and yield of ginger.

Second, the ginger cultivation period

The first time to cultivate soil: when the root of ginger has 3 to 5 branches, but it does not appear on the ground, the soil is about 2 cm thick. At this time, just use small hoes or hooks and other agricultural tools to dig 4-5 cm wide ridge soil (generally 25-30 cm wide) on both sides of the ginger planting ditch along the ridge edge into the planting ditch and water. This will not only prevent the growth of weeds, but also facilitate the expansion of ginger rhizomes. The first time the soil should not be too thick, otherwise it will easily affect the permeability of the soil, causing the growth of ginger sprouts to be hindered, the roots and branches will decrease, the growth will be slow, and the yield and quality will be affected.

Second cultivation: It should be carried out 20 days after the first cultivation. The thickness of the cultivation is 2 ~ 3 cm. At this time, the ridge soil on both sides of the ginger planting ditch can be flattened into the ginger planting ditch with a farm tool such as a small hoe or a hook. The soil should not be too thick this time, otherwise it will easily cause the growth of ginger roots and affect the yield.

The third earth-cultivation: also known as "big cultivation", 15 days after the second earth-cultivation, the thickness is preferably 7-8 cm. At this time, all the soil on the original ridge needs to be cultivated into the planting ditch, so that the original ginger growing ditch becomes a ridge, and the original ridge becomes a ditch. Cultivating soil this time is very important and is the key to determine the growth and development of ginger rhizomes. If the soil is shallow, the ginger pieces are short and thick; if the soil is cultivated

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Roughness meter, also known as surface roughness meter, surface smoothness meter, surface roughness tester, roughness measurement meter, roughness tester, and other names. It has the characteristics of high measurement accuracy, wide measurement range, easy operation, portability, and stable operation. It can be widely used for the detection of various metal and non-metal processing surfaces. This instrument is a pocket instrument that integrates sensors and hosts, with handheld characteristics, making it more suitable for use in production sites. The exterior design is sturdy and durable, with significant resistance to electromagnetic interference, in line with current design trends.

The application fields of roughness meters include:

1. Mechanical processing and manufacturing industry, mainly metal processing and manufacturing. Roughness meters were originally developed to detect the surface roughness of machined parts. Especially, stylus type roughness measuring instruments are more suitable for detecting hard metal surfaces. For example, the automotive parts processing and manufacturing industry, the mechanical parts processing and manufacturing industry, and so on. As long as these processing and manufacturing industries involve the surface quality of workpieces, the detection application of roughness meters is essential.

2. In the non-metallic processing and manufacturing industry, with the progress and development of technology, more and more new materials are applied to processing processes, such as ceramics, plastics, polyethylene, etc. Some bearings are now made of special ceramic materials, and pump valves are made of polyethylene materials. These materials have a hard texture, and some applications can replace metal materials to make workpieces. During production and processing, their surface roughness also needs to be tested.

3. With the continuous strengthening and improvement of the technology and functions of roughness meters, as well as their in-depth promotion and application, more and more industries have been found to require roughness detection. In addition to mechanical processing and manufacturing, roughness evaluation is also required in the production and processing of power, communication, electronics, such as couplings on switches, integrated circuit semiconductors, and even stationery, tableware, and other products used in people's daily lives The surface roughness of human teeth needs to be tested.

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