Agricultural environmental monitoring is a basic work of China's agricultural environmental protection and an important part of the agricultural environmental management system. Agricultural environmental management must rely on agricultural environmental monitoring, and agricultural environmental monitoring must serve agricultural environmental management. For a long time, the focus of environmental protection has been on the prevention and control of industrial pollution and comprehensive urban rehabilitation, and agricultural environmental protection has lagged behind. With the rapid development of the rural economy, the acceleration of the process of industrialization and urbanization, and the growing problem of agricultural environmental pollution, it has become an important factor constraining rural sustainable development. Agricultural environmental pollution has hidden, latent, and irreversible features. Once it is difficult to recover from pollution, it often harms animals and human health through the food chain. In the past, the production of agricultural products only focused on increasing production to meet the needs of population growth. However, the quality and safety of agricultural products and the agricultural environment issues closely related to them have not attracted enough attention. It is very unfavorable for agricultural products to participate in international competition after China's accession to the WTO. . Strengthening the monitoring of agricultural environment is particularly important in the new era. The development of the 11th Five-Year Plan for the development of agriculture and rural economy in the country focuses on "Strengthening agricultural resources and ecological environment protection, controlling farmland pollution, and building agricultural resources and environmental monitoring and early warning systems. "Therefore, agricultural resources and ecological environment protection rely on agricultural environmental monitoring to provide the basis, rely on government investment and management, is a government act. Ultra-precision High Speed Live Center Ultra-Precision Live Center, Ultra-Precision High Speed Live Center, machine tool parts in machining. Tail with a taper shank, installed in the machine tool spindle taper or tailstock shaft hole, with its head against the workpiece cone. Can be used to face the complex parts and do not allow the central hole of the supporting parts. The top is mainly composed of a thimble, a clamping device, a shell, a fixed pin, a bearing and a core shaft. Thimble is the top of the inner hole of the center hole or pipe material, on the other end can be top end is a spherical or conical parts, thimble by the clamping device fixed. When the parts are not allowed or can not hit the central hole, the use of the clamping device to clamp the turning. The shell and the core shaft drill with pin hole, removing of the fixed pin pin or, to achieve the top two. Top can also be used for the work of the drilling, casing and hinge hole.
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The agricultural environmental monitoring station is specifically designed for agricultural environmental monitoring. The agricultural environmental monitoring includes the simultaneous monitoring of multiple parameters, rainfall, wind speed, wind direction, light, carbon dioxide, soil moisture, soil temperature, etc. Compared with the field microclimate automatic observer Agricultural environmental monitoring stations have more functions and can measure more parameters. The comprehensive monitoring station for agricultural environment is widely used in various fields such as construction of weather stations, monitoring of agricultural and forestry climates, monitoring of ecological environment, control of greenhouses, operation of highways and railways, and monitoring of geological hazards. It can also work stably under harsh environmental conditions. In addition, the biggest advantage of the comprehensive monitoring station for agricultural environment is that it can choose multiple transmission methods and choose according to different situations, such as short-distance wired transmission, medium-distance wireless transmission and long-distance wireless transmission.
