In agricultural production and scientific experiments, it is often necessary to determine the soil moisture content. Conventional methods for measuring soil moisture use “oven” drying, but before, science and technology are not yet very developed. Instruments and equipment are not very robust. Rural areas are not easy to implement due to limited equipment, and some are used in pots and stoves. Baked in, this method is simple, but it takes a long time and is not very accurate. In order to solve this problem, alcohol measurement can be used, the method is simple, the speed is high, and the accuracy is high.

A total of specific methods are: take the test soil 10 grams, placed in an aluminum basin, add 95% alcohol 10 ml, ignited with the fire, in the burning, stirring with a glass rod several times, so that the water quickly evaporated until after the fire is extinguished , add 3-5 ml of alcohol, re-burn once, generally burn two times the soil moisture can evaporate, such as the soil is too wet, can be burned again. Weigh dry weight. In order to calculate the convenience, 10 grams of soil as the standard, made of soil moisture checklist, according to the weight of water loss to determine the amount of soil moisture.

Nowadays, science and technology are constantly advancing. We can use the GPS Soil Moisture Velocity Tester to measure the moisture content of soil moisture. The instrument has all the small functions and the measurement method is very convenient. As a professional instrument for rapid measurement of soil moisture, operation Convenient and quick, can directly display the soil moisture content, there are data stored directly on the host, some models to number computer connection, with GPS function, GPS soil moisture meter can store 2000 groups of data, press the "display" button Check previous measurement information. It takes only one minute to complete a measurement and achieve a true rapid measurement. The following will briefly introduce its operation method.

In the instrument, four AA batteries are installed, the soil moisture sensor is connected to the host, and all the soil moisture sensor probes are inserted into the test soil to begin operation. Press the "Power" button to open the host, press the "measure" button for 2 seconds to display soil moisture, press the "Save" button to save the measurement information. The instrument is a large-screen Chinese liquid crystal display with thin-film buttons that provide intuitive and convenient viewing results.

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