摘要
本文研究了凤阳县烤烟(Nicotiana tabacumL)亩产变化的特征即韵律特征、波动特征、丰歉特征和增减产特征。
The characteristics of yield change per mu of flue-cured tobacco (Nicotiana Tabacum L. )in Fcngyang county ,including rhythmical characteristic,undulate characteristic,characteristics of good and poor harvest ,and characteristics of increase and decrease in yield,have been studied in this paper.
关键词
烤烟
亩产
韵律特征
波动特征
flue-cured tobacco,yield per mu,characteristics of yield change
