有机肥及施氮水平对烟叶质量和可用性的影响

Effects of manure application on quality and usability of leaf tobacco under different levels of nitrogen

由于产量因子的限制作用越来越小,烤烟的施氮水平在一定的范围内可以放宽,烟叶生产的余地放宽,烟叶质量的多样性才能得到充分体现。在一定的施氮水平下,有机肥的施用对提高烟叶产量,改善烟叶品质方面有积极作用,特别在增加烟叶的香气量和改善烟叶的吃味方面有较明显作用,但是烟叶的刺激性也有一定程度的增加;在烟叶化学成分上,增施有机肥有一定负面影响,表现在烟碱和总氮含量都有一定程度的增加。研究结果表明,在试验条件下,施氮量在90kg/hm2以下时,增施有机肥不会影响烟叶的可有性。

Under a suitable nitrogen level, manure application was able to increase yields of leaf tobacco and improve tobacco quality in aroma volume and taste at the same time, but the content of nicotine and total nitrogen and irritation of tobacco were also raised to some extent. Our results suggested that manure application have no inverse effects on usability of leaf tobacco when the quantity of nitrogen applied was less than 90 kg/hm2.