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Smart Agriculture ›› 2019, Vol. 1 ›› Issue (4): 91-104.doi: 10.12133/j.smartag.2019.1.4.201910-SA002

• 智能装备与系统 • 上一篇    

作物长势监测仪数据采集与分析系统设计及应用

王娇娇1,2,3, 徐波1,2,4, 王聪聪1,2,4, 杨贵军1,2,4, 杨忠3, 梅新3, 杨小冬1,2,4()   

  1. 1. 农业农村部农业遥感机理与定量遥感重点实验室,北京农业信息技术研究中心,北京 100097
    2. 国家农业信息技术工程研究中心,北京 100097
    3. 湖北大学资源环境学院,湖北武汉, 430062
    4. 北京农业物联网工程技术研究中心,北京 100097
  • 收稿日期:2019-10-30 修回日期:2019-12-11 出版日期:2019-10-30
  • 基金资助:
    国家自然科学基金(41771469);国家重点研发计划(2016YFD0300602);北京市农林科学院科技创新能力建设专项(KJCX20170423)
  • 作者简介:王娇娇(1997-),女,硕士,研究方向:农业遥感,Email:wangjj@stu.hubu.edu.cn
  • 通信作者:

Design and application of data acquisition and analysis system for CropSense

Wang Jiaojiao1,2,3, Xu Bo1,2,4, Wang Congcong1,2,4, Yang Guijun1,2,4, Yang Zhong3, Mei Xin3, Yang Xiaodong1,2,4()   

  1. 1. Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture P. R. China, Beijing Research Center for Information Technology in Agriculture, Beijing 100097, China
    2. National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China
    3. Faculty of Resources and Environmental Science of Hubei University, Wuhan 430062, China
    4. Beijing Engineering Research Center for Agriculture Internet of Things, Beijing 100097, China
  • Received:2019-10-30 Revised:2019-12-11 Online:2019-10-30

摘要:

针对中小农场对作物长势快速监测与精确诊断的需求,本研究设计了作物长势监测仪(CropSense)数据采集与分析系统,该系统实现了数据采集、处理、分析和管理的一体化集成。系统通过蓝牙技术连接智能手机和作物长势监测仪获取作物采样数据,经服务器中内置光谱模型计算得到地块的作物生长参数分布专题图。依据地块预期产量指标,可提供可视化的专家决策处方。用户只需点击一次按钮,即可实时获取田间作物的监测诊断信息和专业的田间管理指导方案。目前系统已在多个研究机构实验农场试用,其中在小汤山基地的应用示例结果显示:在玉米大喇叭口期使用该系统进行作物诊断和指导施肥,比传统的施肥方案减少约16.67%施肥量。该系统具有采集分析数据高效便利、推荐施肥方案优化合理等特点,在中国家庭农场快速增长的背景下,具有广阔的应用前景。

关键词: 数据采集, 长势分析, 实时诊断, 专家决策

Abstract:

In view of the demand of small and medium-sized farms for rapid monitoring and accurate diagnosis of crop growth, the National Engineering Research Center for Information Technology in Agriculture (NERCITA) designed a crop growth monitoring device which named CropSense. It is a portable crop health analysis instrument based on dual-channel high-throughput spectral signals which derived from the incident and reflected light intensity of the crop canopy at red and near-infrared bands. This paper designed and implemented a data collecting and analyzing system for CropSense. It consisted of a mobile application for collecting data of CropSense and a server-side system for data and model management. The system implemented data collecting, processing, analyzing and management completely. The system calculated normalized differential vegetation index (NDVI) based on the two-channels spectral sampling data from CropSense which connected smart phone by Bluetooth, then generated crop growth parameters about nitrogen content, chlorophyll content and Leaf Area Index with the built-in spectral inversion model in the server. Meanwhile, it calculated vegetation coverage, density and color content by images captured from the camera of smart phone. When we finished the sampling program, it generated growth parameter thematic maps by Kriging interpolation based on all sampling data of the selected fields. Considering the target yield of the plot, it could provide expert advice visually. Users could get diagnostic information and professional guiding scheme of crop plots immediately after collecting data by touch a button. Now the device and system have been applied in some experimental farms of research institutes. This paper detailed application of the system in XiaoTangShan farm of NERCITA. Compared with the traditional corn flare period samples and fertilize schemes, users could avoid errors caused by manual recording. Besides, with the same corn yield, the fertilization amount has reduced 16.67% when using the generation of the variable fertilization scheme by this system. The result showed that the system could get the crop growth status efficiently and produced reasonable fertilization. The system collected and analyzed crop growth efficiently and conveniently. It is suitable for various farmers without expertise to obtain the information of the crop growth timely and can guide them to operate more effectively and economically in the field. The system saved data to web server through the Internet which improved the shortcoming of poor sharing in the traditional data exporting mode. This system is practical and promising, and it will be widely applied in the explosion of family farms in China.

Key words: data collection, growth analysis, real-time diagnosis, expert decision

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