Guiding effect of soil moisture detector on agricultural irrigation in Huanghuai region of China

The condition of soil moisture plays an important role in the process of crop growth. In order to grasp the timing of irrigation, realize timely and appropriate irrigation, give play to water resources and irrigation benefits, achieve the purpose of increasing production and increasing efficiency of agriculture, and monitor the situation of soil moisture. important. This is also an important way to solve the global water crisis and solve the obstacles of industrial and agricultural development in arid and semi-arid regions. The determination of soil moisture can be carried out using a soil moisture (moisture) speedometer.

China's agriculture is a large water user, and its water consumption accounts for about 80% of the total water resources utilization. Research on improving the utilization rate of irrigation water and compressing agricultural irrigation water has become a long-term inevitable task of water resources allocation. Huaibei is one of the important commodity agricultural bases in Anhui Province, and it is also an area with insufficient water resources. In order to ensure the sustainable and stable development of agriculture in the region, cities and counties have carried out large-scale water conservancy infrastructure construction since the 1980s, especially in the implementation of farmland irrigation, on the basis of building high-standard drought and flood protection demonstration zones. Actively introduce advanced irrigation equipment, irrigation methods and irrigation techniques, and constantly change the traditional irrigation methods such as flood irrigation and string irrigation, thus promoting the development of water-saving irrigation agriculture.

However, due to some unfavorable natural geographical conditions in Huaibei, there are still many unsatisfactory aspects in the development of irrigation. Especially when the drought occurs, it is difficult to answer and solve the exact question such as: How long is the crop? When irrigation should be done? How much water is better? With the continuous development of drought, what is the trend of future public opinion? The current drought is as serious as the historical disaster. These issues have always been the leaders of government departments and business decision-making departments and the issues that farmers are very concerned about.

Due to the existence of these problems, it is not uncommon to increase the drought-reducing yield of crops due to improper timing of irrigation, or flooding after flooding, or delaying irrigation time. This not only fails to give full play to the benefits of water resources and farmland water conservancy projects, but also does not achieve the purpose of increasing irrigation and increasing efficiency. Practice has proved that the implementation of soil moisture monitoring and forecasting can better solve these problems. Because it can not only realize the sensational dynamics of monitoring and monitoring the location, but also can better grasp the grievances and severity of the large-scale farmland and its distribution on the surface, so as to timely develop the appropriate amount of irrigation and government departments for farmers. Provide scientific basis for countermeasures against drought and disasters.

For the situation of soil water resources in Huaibei area of ​​China, using soil moisture (moisture) speed measuring instrument to carry out moisture monitoring and forecasting the timing of irrigation in the region, realize scientific allocation of water resources, and have guiding significance in water-saving irrigation agriculture. In particular, it is of great significance to give full play to the benefits of irrigation projects, to develop and utilize water resources, and to promote the development of agriculture.

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