Six Trends of Smart Greenhouse Development in China

Intelligent planting of agriculture by using Internet of Things technology has become a hot spot. Intelligent information management technologies such as intelligent greenhouse monitoring system are the mainstream of modern agriculture development.
Domestic smart greenhouse management is still extensive
At present, some smart greenhouse demonstration bases emerging around the country rely more on greenhouse environment control methods based on set values.
The main control methods are as follows: first, set the target parameters (such as indoor temperature, humidity, light, etc.) based on experience, the controller makes decisions based on the gap between the detected real-time results and the target parameters, and achieves the target value by adjusting the opening and closing of the equipment through the environment.
This is a relatively extensive intelligent management mode widely used in domestic greenhouses at present. To a certain extent, it is just the use of computers instead of human hands to press the switch, which cannot be regarded as real intelligence.
Let plants "speak"
Modern facility agriculture is good at effectively regulating crop growth environment, and the primary task of regulation should be to understand crop demand.
It is to truly perceive when plants are hungry, thirsty, fat or thin; What temperature does it need for vegetables? When should I water it? When should I fertilize? How much water? How much fertilizer? All problems are clear at a glance. Then precise control will be carried out according to the actual needs of its growth.
To understand plant "language", the secret lies in plant life information perception technology. To achieve "dialogue" with plants, it is necessary to accurately and effectively collect soil nutrients, meteorological environment, plant nutrition, growth data, etc. that affect plant growth.
Smart greenhouse needs real "super brain"
Intelligent detection and control technology is the front-end and back-end of intelligent facility agricultural production. After information perception, it is another key technical problem to solve the problem of "what is lacking and what is supplemented".
The control process of greenhouse environment is extremely complex, with many variables, strong coupling, large interference and other characteristics. A set of scientific and practical intelligent control system is like a "super brain".
How to establish a comprehensive greenhouse control model integrating crop growth model, environmental control model and cost model? How to realize the accurate allocation of nutrient components? How to achieve multi-objective optimization control? This is what the intelligent control system should do.
The intelligent system works like this:
The intelligent greenhouse system collects plant growth information, real-time environmental data such as air temperature and humidity, soil moisture, soil temperature, carbon dioxide, and light intensity in the greenhouse, and transmits them to the control center. The central platform system compares the latest monitoring data with the preset environmental parameters suitable for agricultural growth.
Once it is found that the data monitored by the sensor has a deviation from the preset value, the computer will automatically send a command to intelligently start the ventilator, sunshade, humidification, watering and other equipment connected to the system to work. The relevant equipment will not stop working until the environmental data in the greenhouse reaches the preset data range of the system.
In daily life, automated and unmanned management of the greenhouse is implemented through the remote mobile terminal of the system.
Six Trends of Intelligent Greenhouse Development
In terms of long-term development, China's greenhouse market has huge development potential, and smart greenhouse users tend to be rational and mature. It is generally required that greenhouses tend to be rationalized in layout, scientific in adaptability to local climate conditions, and popularization of greenhouse application technology.
The development trend of intelligent greenhouse in recent years can be summarized as follows:
1. The intelligent greenhouse is further combined with modern industrial technology to improve the quality of hardware and enhance the supporting capacity. China's facility agriculture should further develop in building structure engineering, material engineering and water-saving and energy saving engineering. While improving the quality of the main structure, the supporting capacity should be constantly enhanced.
2. The production of facilities and facility agricultural products is developing towards standardization, including the performance, structure, design, installation, construction and use standards of greenhouse and supporting facilities, the standards of facility cultivation technology and production technical procedures, and the standards of product quality and testing technology.
3. Strengthen the research and development of post harvest processing technology, including the process technology and supporting facilities and equipment for post harvest cleaning, grading, pre cooling, processing, packaging, storage, transportation and other processes, so as to improve the added value of products and international market competitiveness.
4. Intelligent greenhouse combined with computer automatic control technology. Realize automatic monitoring of light, temperature, water, fertilizer, gas and other factors and automatic control of operating machinery.
5. Combined with information technology, establish network management, mode operation, remote service, etc. with products, technologies and markets as the main contents.
6. Combined with biotechnology, new crop varieties with strong stress resistance, disease and insect resistance, storage tolerance and high yield will be developed to improve the yield and quality of greenhouse crops; We will make use of special means of production such as biological agents, biological pesticides, and biological fertilizers to develop precision agriculture and provide more pollution-free and safe green and healthy food for the society.