For the implementation of precision variable seeding, fertilizing, spraying and automatic irrigation, and providing comprehensive information for scientific research, a precision agriculture information perception system is designed. The system is designed based on a concept of thorough perception, reliable transmission and intelligent processing of the Internet of Things. The entire system consists of wireless sensing networks, transmission nodes, GPRS and PC management systems. The wireless-aware network is made up by perception terminals and sensors through a standard interface. The system can perceive the crop growth environment information and crop physiology information in a realtime way, and transmits the data to the host computer management system reliably. The PC management system processes the data firstly, and then writes to the database. The data can be exhibited and issued online through the web system. Long-running tests show that the system performance is stable and reliable.%为精准变量播种、施肥、施药及自动灌溉等的实施,并为科学研究提供全面信息,本文设计了精准农业信息感知系统.系统设计基于物联网透彻感知、可靠传输及智能处理理念,整个系统由无线感知网络、传输节点、GPRS及上位机管理系统等部分组成.其中无线感知网络由感知终端和传感模块组成,并通过标准接口进行连接.系统能实时感知作物生长环境信息及作物生理信息,并将数据可靠传输到上位机管理系统.上位机管理系统首先对数据进行处理,并将数据写入数据库,还可通过Web系统在线展示和发布.长时间运行测试表明,系统性能稳定可靠.
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