Traditional agriculture is very dependent on experience and sense. No matter if it is fertilizer or medicine, it needs experience. Now, at the facility's agricultural production base, what is seen is another scene: Farmers need only press a switch, make a choice, or completely listen to the "command", and they can plant good food and cultivate good flowers. This is the greenhouse steward, which is a network of agricultural Internet of Things that forms a large number of sensor nodes and can accurately collect information through sensors, help farmers find problems in a timely manner, and accurately locate problem farmland. This is a manifestation of the agricultural internet of things.
In China, there are currently two major industries supporting the development of modern agriculture: one is the application of biotechnology, the other is the application of information technology, and the application of information technology includes the application of Internet of Things technology. Agriculture will gradually shift from a manpower-centered, production model that relies on isolated machinery to a production model centered on information and software, and thus will use a large number of automation, intelligent, and remotely controlled production equipment. Should fruits and vegetables be watered? How do you keep the precise concentration of crops fertilized? Temperature, humidity, light, carbon dioxide concentration, how to implement on-demand supply? Crops have been “blurred†by farmers in different growth cycles, and now they all have real-time, quantitative “precise†checks. In the greenhouse control system, the temperature, relative humidity, PH value, light intensity, soil nutrient, CO2 concentration, etc. in the environment are detected using the temperature sensors, humidity sensors, pH sensors, light sensors, and CO2 sensors of the IoT system. The physical quantity parameters are involved in automatic control through real-time display of various instruments or as an automatic control parameter to ensure that crops have a good and suitable growth environment.
Greenhouse stewards' Internet of Things technology is an important support for the development of Chinese agriculture to modern agriculture. At the same time, it is also the only means to solve some major problems. Agricultural development has many problems and constraints. Excessive application of chemical fertilizers and shortage of water resources have attracted widespread attention. The only means by which accurate fertilization can be achieved is the correct collection of soil data, and the only means for scientific water use and water conservation is to rely on intelligence to rely on information technology. It can be said that leaving information technology, China's agricultural modernization is almost impossible.
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