马龙县不同类型植烟土壤与烟叶产量 品质的关系

来源 :安徽农业科学 | 被引量 : 0次 | 上传用户:havor
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
[目的]研究云南曲靖市马龙县不同类型植烟土壤与烟叶产量、品质之间的关系。[方法]在云南省曲靖市马龙县8个乡镇避雨采集土壤样品357个。同时,在对应采集土样的田块,采用定等级、定叶位取样法取烟叶样品1套,分析土壤、烟叶中的化学成分。[结果]在烟株移栽后30~90 d,水稻土烟株的农艺性状指标明显优于红壤土、紫色土。与紫色土、红壤相比,水稻土烟叶总氮、烟碱含量较高,总糖与还原糖含量明显偏低;从烘烤后烟叶的糖碱比、氮碱比分析,紫色土中生产的烟叶更接近于优质烟叶,就不同土壤类型而言,紫色土>红壤>水稻土;3种土壤类型烟叶中,叶黄素、β-胡萝卜素、咖啡单宁类多酚均以紫色土含量最高,红壤次之,水稻土最低;其他类胡萝卜素类、黄酮类多酚、芸香苷含量的大小顺序为红壤>紫色土>水稻土,其评吸结果为紫色土>红壤>水稻土。[结论]在烤烟生产上,要争取高产优质,应根据区域土壤类型确定其施肥量。 [Objective] The research aimed to study the relationship between yield and quality of different types of tobacco planting soil and quality in Malong County, Qujing City, Yunnan Province. [Method] A total of 357 soil samples were collected from 8 townships in Malong County, Qujing City, Yunnan Province. At the same time, in the field corresponding to the soil samples collected, a set of samples of tobacco leaves were taken with the fixed grade and the fixed leaf sampling method to analyze the chemical composition in soil and tobacco. [Result] The agronomic traits of tobacco plants were significantly better than that of red loam soil and purple soil 30-90 d after transplanting. Compared with purple soil and red soil, the content of total nitrogen and nicotine in the paddy soil was higher, and the content of total sugar and reducing sugar was obviously lower. From the ratio of sugar to base, Tobacco leaf is more similar to high-quality tobacco leaf, purple soil> red soil> paddy soil for different types of soil; lutein, β-carotene and coffee tannin polyphenols have the highest purple soil content among the three soil types , Followed by red soil and paddy soil were the lowest. The contents of other carotenoids, flavonoids polyphenols and rutin were in the order of red soil> purple soil> paddy soil, and purple soil> red soil> paddy soil. [Conclusion] In the flue-cured tobacco production, we must strive for high yield and quality, and should determine the amount of fertilizer according to the regional soil types.
其他文献
利用介质阻挡放电(DBD)产生的低温等离子体可以处理水中的噻虫嗪农药.为优化采用辐流式沉淀池结构的反应器,提高噻虫嗪的降解效率,在装置内引入了负载TiO2薄膜的蜂窝陶瓷.结
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
目的 了解头孢吡肟治疗泌尿道感染的疗效以及针对大肠杆菌所致泌尿道感染的疗效,探讨头孢吡肟对产ESBL大肠杆菌泌尿道感染的临床使用及其疗效.方法 收集临床诊断之泌尿道感染
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
[目的]为了对辣椒无公害生产提供理论和实践依据.[方法]通过盆栽试验,研究在As污染土壤上,氮肥对丘北辣椒植株叶片数、株高、分枝数、生物量、叶绿素含量、丙二醛含量和辣椒
文章从三个方面论述了艺术院系资料馆开展学科个性化服务的必要性。阐明了艺术专业资料馆学科个性化服务工作的关键是要找准切入点,向艺术专业纵深化服务方向努力,使资料馆能
2007年以来,保障性住房建设作为一项重大的民生工程开始引起各级政府重视,并被列为“十二五”规划的一项重要战略任务.国家“十二五”规划提出五年内将建设3600万套保障房,目
针对同时实施CMMI和ISO9001的软件企业在两标准的兼容性和接口方面常常存在的问题,结合CMMI模型和ISO90001标准的要求,提出一种能同时验证企业是否满足CMMI模型及ISO9001标准
从阐述特低渗透油藏可动油概念入手, 介绍了测定可动油的方法与原理, 以头台油田扶余油层为例来研究测定了可动油饱和度并描述其分布特征; 最后研究了可动油在特低渗透油藏评价