留叶数和施氮量互作对烟叶安全性及经济性状的影响

为提高烟叶安全性及其直接经济效益,以农业降焦为前提,进行了施氮量、留叶数两因素试验,结果表明:烟叶焦油量随留叶数的增加而减少,随施氮量的增加有增长趋势。

Leaf Number and Leaf Nitrogen Interaction on the Safety and Economical Character Influence

In order to improve the security of tobacco leaf and its direct economic benefits to agriculture,reducing the coke as the premise,the amount of nitrogen,leaf number two factor experiment,the results show that:with the numbers of remaining leaves of tobacco tar decreases,with the increase of nitrogen fertilizer amount growth trends.