不同氮用量对晒黄烟生长发育及产量品质的影响  

Effect of Different Nitrogen Rates on Growth and Development, Yield and Quality of Yellow Sun-cured Tobacco

作　　者：符云鹏[1] 艾永峰[1] 王闯[1] 朱振宝[1] 

机构地区：[1]河南农业大学国家烟草栽培生理生化研究基地,河南郑州450002

出　　处：《中国农学通报》2006年第3期217-220,共4页Chinese Agricultural Science Bulletin

基　　金：国家烟草专卖局资助项目"湖南名晒烟深度开发利用研究"(110200101003B)的一部分。

摘　　要：研究了不同施氮水平对晒黄烟的生长发育规律和产量、品质的影响。结果表明,随着施氮量增加,烟株的株高、茎围、有效叶数增加,而干物质积累量及烟叶的产量、产值在施纯氮180kg/hm2范围内也增大,之后则有所减小。在整个生育期内,干物质积累近似于S形曲线,烟株对氮、钾的积累大体上表现为先增加后减少的趋势,磷的积累一直呈增加的趋势;不同氮素用量对烟叶的常规化学成分影响较大。总的来看,宁乡晒黄烟以施纯氮量180kg/hm2为宜。The effect of different nitrogen rates on growth and Development, yield and quality of yellow sun-cured tobacco was studied during the growth period. The result showed that with the increase of nitrogen applied rates, the height, stem encloses and the number of valuable leaves increased. Under the nitrogen applied of 180kg/hm^2, the dry matter accumulation, yield and quality increased with the increase of nitrogen rates, and then decrease. During the whole period of growth, dry matter accumulating similar to the S curve. The accumulation to nitrogen, potassium increased at first and then decreased on the whole, the accumulation of the phosphorus has been presenting the trend increased all the time. The application of different nitrogen has a great effect on chemical composition of tobacco leaves. As a whole, the best nitrogen rates is 180 kg/hm^2 on yellow sun - cured tobacco ot NingXiang.

关 键 词：氮用量 晒黄烟 生长发育 产量 品质 

分 类 号：S572[农业科学—烟草工业]