The development of science and technology is also very obvious in the agricultural field. China has been a big agricultural country since ancient times. The use of modern technology in agriculture not only increases production but also reduces labor costs.
The soil moisture monitoring station is one of the methods for rapid determination of soil water content. It is relatively unaffected by the soil type and does not damage the soil. It is suitable for repeated and continuous measurement on the surface layer and section, and has high resolution and high precision. It can measure the moisture of a certain point in the soil, and can also measure the water content of multiple points by continuously using multiple sensors. In addition, the soil moisture monitoring station has no radiation and will not cause harm to the human body.
The soil moisture sensor of each soil moisture monitoring station must be calibrated according to the local soil characteristics before application. The calibration is performed by the cubic equation conversion method. In the range of 0 to 60% (m3/m3), the conversion result of the soil water content can be obtained by setting the constant of the following cubic polynomial. In many areas, multiple experiments on sensors related to soil moisture monitoring stations are needed, and the location is constantly changed to obtain a stable correlation before they can be applied to public opinion monitoring.
The soil moisture monitoring station is not only suitable for large-scale continuous monitoring of field moisture in the field, but also meets the needs of indoor soil moisture measurement. It is a promising soil moisture measuring device. Sensitive to moisture, the average water content can be measured as a function of depth, and the range of measurement is wide. This method does not need to sample, does not disturb the soil, is not affected by the physical state of water (such as frozen, crystal water), and the aluminum pipe is buried.
After that, it can be used for a long time, and the soil moisture monitoring station can measure quickly.
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