摘要
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 nourishment of nitrogen,the effect of lack and surplus of nitrogen and the measures of prevention and cure on tobacco were narrated. A handy and highspeed analysis way of nitrogen in field also were introduced.
出处
《延边大学农学学报》
2003年第1期36-39,共4页
Agricultural Science Journal of Yanbian University
关键词
氮缺乏
氮过剩
快速氮素分析法
lack of nitrogen
surplus of nitrogen
high-speed analysis of nitrogen
