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改进氮素管理对农业生产和生态环境保护具有重要的意义。本文综述了几种氮素营养诊断方法的优缺点,重点介绍了主动遥感光谱仪G reenSeeker的特点,及其进行氮素诊断的机理、研究进展和其在国内的应用前景。
Improving nitrogen management is of great significance to agricultural production and ecological environment protection. In this paper, the advantages and disadvantages of several methods of nitrogen nutrition diagnosis are reviewed. The characteristics of Grensenker, its mechanism of nitrogen diagnosis, its research progress and its application prospects in China are introduced.