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简述了氮对烟草的营养作用、氮缺乏与过剩症对烟草的影响以及防治对策,介绍了在田间就地操作的简便、快速氮素分析法.
The effects of nitrogen on the nutrition of tobacco, the effects of nitrogen deficiency and over-supply on tobacco and the control strategies were briefly introduced. The simple and rapid nitrogen analysis method for on-site operation in the field was introduced.