Soil moisture content and drought conditions refer to observation records of soil moisture content, agricultural production technology, crop appearance, and severe weather, etc. at different levels of the monitoring area, through the observation records of annual rainfall, temperature, humidity, and illuminance. The law of dynamic change understands the relationship between precipitation, irrigation and changes in soil moisture and agricultural production, and then provides a scientific basis for drought resistance and disaster reduction of agricultural production and improving the efficiency of water resources production. Therefore, soil moisture and drought monitoring are mainly based on farmland. In different eco-climate regions, the local leading soils and dominant crops are based on the different planting patterns and agricultural technologies used to establish monitoring points, through fixed-point and regular soil points. Water measurement, agricultural production management, and observations of crops, etc., and timely understanding of the soil moisture status of the root activity layer of the crop, and the effective soil moisture content.
The Wireless Public Opinion and Drought Management System is often used for soil moisture and drought monitoring. It applies the latest public opinion monitoring specification SL000-2005, which is different from the soil moisture temperature measuring instrument. It can be flexibly configured according to user requirements. A single system can have up to 60 The monitoring point achieves a simultaneous six-point simultaneous detection. The wireless public opinion and drought management system can use the data collector to collect the soil moisture data, and can also directly connect to the computer for collection. The two methods can be freely selected. In addition, the public opinion data can be displayed in various ways, such as numerical values, curves, or histograms. Data processing capabilities are professional and powerful. In addition, the wireless public opinion and drought management system also has the ability to wirelessly transmit data. At this time, it is also called a wireless public opinion monitoring system. Because the instrument contains a GSM/GPRS/radio station module, the communication mode of these modules is wireless without data. Line connection greatly improves data transmission efficiency.
Soil moisture monitoring and drought monitoring are indispensable basic and public welfare work in agricultural production. Just like the survey and forecast of disease and insect pests and the growing situation of nursery conditions, it is one of the important contents of agricultural dynamic monitoring of agricultural production processes. Its significance and The effect is very significant. First, through soil moisture monitoring and drought monitoring, the government can accurately guide and organize farmers, and provide scientific basis for agricultural restructuring and macro-decision of production layout. Second, through soil moisture and drought monitoring, it can provide scientific basis for pseudo drought relief, safe production, and scientific farming. Third, monitoring of soil moisture and drought conditions can provide a basis for the evaluation of the effectiveness of agricultural technology in the use of water resources.
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