Since 2015, a series of documents have been laid out to lay a good foundation for the rapid development of the agricultural Internet of Things. The "Central No. 1" document proposes to innovate the circulation of agricultural products, support e-commerce, logistics, commerce, finance and other enterprises to participate in the construction of e-commerce platform for agriculture, "12th Five-Year Plan for Agricultural Science and Technology Development", and "Accelerate the Promotion of Agricultural Science and Technology" The introduction of several opinions such as the continuation of the enhancement of the supply security of agricultural products has greatly promoted the development of the agricultural Internet of Things, but still encountered many challenges. The emergence of NB-IoT technology has solved the pain points and difficulties of the agricultural Internet of Things and provided a good technical support for the development of the agricultural Internet of Things.
Daejeon Internet of Things : In the Daejeon Internet of Things, rice, wheat and other large-scale crops are planted with self-developed sensors, which can obtain high-reliability, low-cost agricultural resource environment and crop growth dynamic information acquisition, and monitor farmland in real time through multiple network coverage. Production Environment. Automatic irrigation of the field is realized for the monitored water level and soil moisture data.
Water product networking : In the water product networking, monitoring the status of aquatic environment in real time through monitoring, timely discovering problems and hidden dangers in the breeding process, improving the survival rate of aquatic products, ensuring product quality; establishing a two-way link between aquaculture production and circulation, which is conducive to Reasonably arrange production and sales; increase the efficiency of aquaculture production and increase economic benefits.
Greenhouse IoT Internet : In the greenhouse greenhouse, IoT technology has been widely used in greenhouses, measuring soil moisture, temperature, light, carbon dioxide concentration and other indicators in the greenhouse, and then automatically adjusting the greenhouse environment and control through model analysis. Irrigation, fertilization and other operations will enable crops to obtain optimal growth conditions and establish a new model for greenhouse agricultural management based on Internet of Things technology.
Animal and animal products Internet of Things : The whole process management and traceability of coke animals and animal products from breeding, quarantine, receiving, slaughtering, transportation and sales. Using RFID electronic chip, two-dimensional code and other intelligent identification, relying on intelligent sensing technology to monitor the breeding environment and animal body signs, using image recognition technology, GPS, GIS and other technologies to establish a dynamic tracking mechanism of the supervised object, covering the fine breeding of animals, IoT systems for the production of aquaculture environmental monitoring, remote monitoring and diagnosis of epidemics and diseases, product quality and safety management and traceability.
Cold Chain Logistics Internet of Things : Cold Chain Logistics Internet of Things provides an integrated Internet of Things solution that accommodates the storage and transportation characteristics of fresh produce. Focusing on the characteristics of the cold storage supply chain of fresh agricultural products, we will build a modern agricultural product cold chain logistics management system that integrates functions of intelligent warehousing, holographic logistics and automatic billing.
Although the development of agricultural Internet of Things has been relatively fast in recent years, and there has been a lot of flowering situation, the agricultural Internet of Things has encountered many challenges. The challenges are as follows: First, the industry is insufficient: the technological innovation system is imperfect, the lack of large-scale application of leading enterprises is insufficient; the application of scale is insufficient; the information security risks of the Internet of Things. Second, agricultural production is inefficient. Third, the unit value of agricultural products is low. Fourth, agriculture faces a more complex environment.
In addition, the high network cost has become an objective obstacle to the scale of agricultural Internet of Things applications. In addition to the previous base stations, optical fibers, computer rooms, switches, etc., there are 3G/4G monthly rent, broadband monthly rent and other inputs. The larger the scale, the higher the density, the more equipment, and the greater the operational pressure. Therefore, stable, accurate, continuous, automatic, low-cost, low-power, simple, easy-to-use, and easy to maintain have become the development needs of the agricultural Internet of Things.
The agricultural Internet of Things usually adopts M2M, Zigbee, 433MHz, WiFi, and cable. Due to factors such as endurance, maintenance cost, and network coverage, these technologies are not suitable in remote areas and in harsh environments. The combination of NB-IoT technology and sensors, fully sealed enclosure, low cost, scattered in the fields, underwater, forests, as long as the network coverage is in place, can help agricultural production rise to a big step. For suburbs and some covered areas, NB-IoT can greatly enhance the high value-added agricultural production and circulation fields such as aquaculture, greenhouses and flowers. The emergence of NB-IoT technology can greatly help the use and promotion of the Internet of Things. Its own low power consumption, wide coverage, low cost, large capacity and other advantages can solve the pain points and difficulties of the agricultural Internet of Things, and provide a good technical support for the future development of the agricultural Internet of Things.
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