Research progress of environmental monitoring technology and equipment for facility agriculture
[Purpose]Facility environmental monitoring is conducive to providing a suitable environment for facility crops or animals,ensuring their steady growth in all kinds of weather,which is one of the important contents of the modernization and upgrading project of facility industry.[Method]In this work,the main objects of facility environmental monitoring were introduced,the current domestic and foreign facility agricultural environment monitoring technologies and methods were systematically analyzed and summarized.[Result](1)The objects of facility environmental monitoring mainly include ambient temperature,humidity,carbon dioxide and light.(2)The facility environment monitoring technology was summarized and classified into the fixed point monitoring method based on Internet of Things,as well as the mobile monitoring method based on robot or mobile carrier.The traditional agricultural Internet of Things monitoring method was difficult to meet the needs of facility agriculture modernization,due to cost,communication and maintenance problems.At the same time,the intelligent monitoring technology based on robots or mobile platforms was still in the basic research and development state,because of the technical difficulty and high development cost.The automatic inspection equipment based on the suspended track solved the shortcomings of the traditional Internet of Things monitoring method and robot monitoring technology,but it still had problems for large-scale promotion and application.(3)The existing problems and challenges of facility environment monitoring technology in China were as follows:the absence of low-cost intelligent monitoring equipment,the insufficient capacity of facility environment data assignment,the lack of uniform standards for monitoring data,the insufficient performance of special sensors.[Conclusion]Agricultural environmental monitoring technology is an important technical support to achieve the goal of high yield,high quality and high efficiency in facility agriculture.The facility environmental intelligent monitoring equipments with low-cost,high-performance and easy-promoting have important development significance and broad application potential.
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