烤烟施磷量对根系干物质积累及评吸质量的影响
Bulletin of Agricultural Science and Technology(2013)
Abstract
在施氮钾肥水平相同的情况下,采用田间小区试验,研究了不同磷肥用量对根系干物质积累,烟叶评吸质量的影响.结果表明:根系干物质积累以移栽后40d至80d增长速率最快,下部烟叶X2F及上部烟叶B2F的总糖、还原糖含量施磷肥的处理明显高于对照,总氮、烟碱含量明显低于对照.中部烟叶C2F烟碱含量明显高于对照,钾含量明显低于对照.磷肥用量对C2F烟叶有较大影响,施磷处理与对照比余味增加,杂气、刺激性减弱,评吸总分比对照提高0.14%~2.26%.磷肥用量与评吸质量指标香气质、香气量、杂气、刺激性、评吸总分呈弱相关,相关性均不显著.
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