Abstract: The RFID system consists of a reader (Reader), an electronic tag (Tag) and an antenna (Antenna). Attach the electronic tag to the surface or inside of the recognized object. When the recognized object enters the recognition range of the reader, the reader will automatically read the identification data of the object in the electronic tag in a non-contact manner, so as to realize the automatic recognition of the object or The function of automatically collecting object information data.
Radio Frequency Identification (RFID) is a non-contact automatic identification technology with large data storage capacity, readable and writable, strong penetrating power, long reading and writing distance, fast reading rate, long service life, and good environmental adaptability It is also the only automatic recognition technology that can realize multi-target recognition.
The RFID system consists of a reader (Reader), an electronic tag (Tag) and an antenna (Antenna). Attach the electronic tag to the surface or inside of the recognized object. When the recognized object enters the recognition range of the reader, the reader will automatically read the identification data of the object in the electronic tag in a non-contact manner, so as to realize the automatic recognition of the object or The function of automatically collecting object information data.
1 The main application of RFID in agriculture
1.1 Application in safety production monitoring of agricultural and livestock products
In recent years, food safety (food poisoning, mad cow disease, foot-and-mouth disease, bird flu and other livestock and poultry diseases, serious residues of agricultural products, and a surge in imported food materials, etc.) have occurred frequently, which has seriously affected people’s health and caused countries around the world, especially European countries attach great importance to it. For this reason, governments of various countries quickly formulate policies and adopt various measures to strengthen the management of safe production of agricultural products. Among them, the identification and tracking of products has become one of the important measures. For example, the British government stipulates that all kinds of tracking and identification methods must be adopted for raising animals such as cattle, pigs, sheep, goats, and horses.
In early 2004, researchers at North Dakota State University (NDSU) in the United States developed a method to detect mad cow disease using RFID technology, providing a new technical guarantee for the food safety of the American public. By implanting RFID tags on the cow’s ears, it is possible to record detailed information about the cow, such as its breeding, age, weight, and illness. At the same time, these tags can automatically read the data, and can send these data directly to the computer database. Many farms in the United States have begun to use this technology; the US government has also mandated the use of electronic tags to track livestock to improve the ability to track and identify from farm to processing plant, and identification must be completed within 48 hours. Under the auspices of the Fruits and Vegetables EDI Conference, Japan has developed a production history and food tracking system based on RFID technology for agricultural products such as apples, rice, vegetables, etc., and conducted experiments in Chiba Prefecture, Japan, and achieved good results. Australia has promulgated the "National Livestock Identification Scheme (NLIS)" which uses electronic labeling technology.
At present, the output of grains, fruits, meat, poultry, eggs and aquatic products in my country ranks first in the world. Food is the top priority for the people, and food safety is the top priority for the national economy and people’s livelihood. Therefore, the government attaches great importance to food safety issues. However, safety incidents related to substandard food and causing huge losses have been reported frequently: the wool clam incident in the late 1980s and the recent turbot incident brought irreparable losses to the aquaculture industry. Analysis of relevant scholars: The most fundamental way to prevent such incidents from happening again is to strengthen food safety supervision. In addition to the certification of producers, the production and circulation of products must be supervised throughout the entire process. In this context, some domestic scholars and companies have carried out some research and practical work on the application of RFID in food safety monitoring throughout the entire process. Professor Huang Liping, a doctoral supervisor of Shanghai Tongji University, and Shanghai Agricultural Information Co., Ltd. have carried out the construction and implementation of agricultural standardization and agricultural product safety monitoring platform; Lu Changhua from the Institute of Agricultural Resources and Environment of Jiangsu Academy of Agricultural Sciences and Water Conservancy and Civil Engineering of China Agricultural University Professor Xie Jufang of the college conducted research on the whole-process information tracking of factory pork safety production, and conducted experiments in Nanjing Tianhuan Group, and carried out a fruitful exploration on the application of electronic tags.
Some domestic enterprises have also shown great interest in this. Tsinghua Tongfang Group has developed a set of RFID food traceability management system, using advanced RFID technology and relying on network technology and database technology to achieve information fusion, query, and monitoring. During the production stage and the process of distribution to the final consumption area, it provides reasonable decision-making for the safety of each item, the source of food ingredients and inventory control, and realizes the food safety early warning mechanism. Provides a complete set of solutions for food production enterprises.
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