氮素营养诊断技术的发展及其在马铃薯生产中的应用

Techniques of Nitrogen Diagnosis and Their Use in Potato Production

合理使用氮肥,提高氮肥利用效率,降低环境风险,是实现农业可持续发展的重要环节,氮素营养诊断技术的研究和应用是合理氮素管理的前提。介绍了氮素营养诊断的方法、特点以及发展,并在此基础上综述了马铃薯氮素营养诊断的研究进展,分析了在中国马铃薯生产中深入开展氮素营养诊断的必要性和重要意义。最后提出了马铃薯营养诊断需解决的关键问题。

Best nitrogen management aimed to improve N fertilizer use efficiency and reduce environmental risk is an important component of developing sustainable agriculture, and diagnosis of nitrogen status in both soil and plant is critical to complete best N management. Therefore, on the basis of introduction of characteristics of N diagnosis methods, the significance and the progress of nitrogen diagnosis in potato production were summarized. The key techniques required for N diagnosis in potato production was suggested as well in the paper.