种植密度和施氮量对上部烟叶物理性状的影响效应分析  

Effective Analysis of Planting Density and Nitrogen Levels on Physical Properties of Upper Paddy-tobacco

作　　者：齐永杰[1] 邓小华[2] 徐文兵[1] 罗建钦 黄崇峻[1] 黄聪光[1] 李宏光 王生才 

机构地区：[1]广西中烟工业有限责任公司,南宁530001 [2]湖南农业大学农学院,长沙410128 [3]湖南省烟草公司郴州市公司,湖南郴州423000

出　　处：《中国农业科技导报》2016年第6期129-137,共9页Journal of Agricultural Science and Technology

基　　金：广西中烟工业有限责任公司科技项目(201545000034011)资助

摘　　要：为明确湘南烤烟的合理种植密度和施氮量,采用双因素随机区组试验,通过构建物理特性指数及引入偏Eta2值分析了种植密度和施氮量及其互作对上部烟叶物理特性的影响效应。结果表明:1种植密度和施氮量对上部烟叶不同物理特性指标的效应不一致,种植密度主要影响开片度、单叶重和叶片厚度,施氮量主要影响单叶重、含梗率、叶片厚度,种植密度和施氮量互作主要影响开片度、含梗率;2种植密度对上部烟叶物理特性的贡献率为29%左右,施氮量为33%左右,种植密度和施氮量互作为38%左右;3随种植密度的增加和施氮量的减少,烤烟上部烟叶的物理特性指数增高;4湘南烤烟以种植密度18 195株/hm2、施氮量142.5 kg/hm2处理的上部烟叶物理特性相对较好。In order to explore the rational planting density and nitrogen level of paddy-tobacco in south Hunan,this paper analyzed the effects of planting density,nitrogen level and their interaction on physical properties of upper flue-cured tobacco by constructing physical properties index and partial Eta2 value from 2 factors experiments. The results showed that： 1 Planting density and nitrogen level had different influencial effects on physical properties of upper flue-cured tobacco; planting density mainly influenced leaf openning degree,single leaf weight and thickness of leaf blade; nitrogen level mainly influenced single leaf weight,stem ratio and thickness of leaf blade; the interaction of planting density and nitrogen level mainly influenced leaf opening degree and stem ratio. 2 The contribution rate of planting density on physical properties of upper flue-cured tobacco was about 29%; nitrogen level was about 33% and interaction of these 2 was about 38%. 3 The physical properties index of upper flue-cured tobacco increased with the increase of planting density and reduce of nitrogen level. 4 In south Hunan,the better physical properties index of upper flue-cured tobacco was gained by treatment of 18 195 plants/hm2 and 142.5 kg/hm2 nitrogen level.

关 键 词：上部烟叶 物理特性 种植密度 施氮水平 

分 类 号：S572[农业科学—烟草工业]