6)氮、钾、氯、钾/氯比四个因素符合“国际型优质烟叶”质量标准的概率只有0.726、0.379、0.193、0.829,目前我国烤烟营养不够协调的主要方面是养分浓度偏低。

• 5) For N,K,Cl and K/Cl,the probability of according with the international standard of high quality tobacco leaves were respectively 0.726,0.379,0.193 and 0.829,indicating that unbalance nutrient in flue-cured tobacco in China may attribute to the insufficient of nutrient in leaves.