不同耕地时间及深度对植烟土壤质量及烤烟产质量的影响

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英文篇名：Effects of Different Cultivating Time and Depth on Tobacco-growing Soil Quality and Flue-cured Tobacco Yield and Quality 作者：文锦涛 ; 程传策 ; 张晓强 ; 廖勇 ; 李余江 ; 任春燕 ; 肖丽娜 英文作者：WEN Jintao;CHENG Chuance;ZHANG Xiaoqiang;LIAO Yong;LI Yujiang;REN Chunyan;XIAO Lina;Guiyang Branch Company,Guizhou Tobacco Company;College of Tobacco Science,Henan Agricultural University; 关键词：植烟土壤 ; 耕地时间 ; 耕地深度 ; 土壤养分 ; 烟叶质量 ; 经济效益 英文关键词：tobacco-growing soil;;cultivating time;;cultivating depth;;soil nutrient;;tobacco quality;;economic benefit 中文刊名：GATE 英文刊名：Guizhou Agricultural Sciences 机构：贵州省烟草公司贵阳市公司;河南农业大学烟草学院; 出版日期：2019-03-15 出版单位：贵州农业科学 年：2019 期：v.47;No.343 基金：贵阳市烟草公司项目“贵阳市植烟土壤保育关键技术研究”(2016-07) 语种：中文; 页：GATE201903008 页数：5 CN：03 ISSN：52-1054/S 分类号：32-36

摘要

为探讨不同深耕时间及深度对贵阳市植烟土壤质量及烤烟产质量的影响,进行了大田深耕时间(开春深耕,2月10日;常规耕地时间,3月15日)和深耕深度(15cm,25cm,35cm)2因素完全随机试验。结果表明:不同深耕时间及深度对土壤碱解氮、速效磷、速效钾、有机质、土壤脲酶、土壤蔗糖酶及土壤可溶性碳氮等指标均有显著影响,其中,开春深耕土壤碱解氮含量随着深度的增加而降低,土壤速效磷含量随着深度的增加而增加;不同深耕时间及深度对烤烟90d叶面积有显著影响;在常规耕地时间下,深度的增加能够提高烟叶的总糖和还原糖含量,降低烟碱含量,但钾离子和氯离子含量也降低;中性致香物质含量随着耕地深度的增加逐渐升高,3月15日和2月10日耕地35cm处理分别比15cm高51.79%和75.24%;2月10日耕地35cm的产值较高,比3月15日耕地15cm高40.97%,新增经济效益771.12元/667m~2。
        In order to explore the effects of different deep cultivating time and depth on the soil quality and flue-cured tobacco production quality of tobacco planting,the completely randomized design of deep cultivating time(February 10,March 15)and depth(15 cm,25 cm,35 cm)was designed.Results:The different deep cultivating time and depth had a significant effect on soil alkali-hydrolysable nitrogen,readily available phosphorus,readily available potassium,organic matter,soil urease,invertase and indicators of soluble carbon and nitrogen.Moreover,with the increase of depth,the content of soil alkalihydrolysable nitrogen continued to decrease,while that of soil available phosphorus increased when deep cultivating on February 10.The different deep cultivating time and depth had a significant effect on leaf area of flue-cured tobacco for 90 days.With the increase of depth,the content of total sugar,reducing sugar and neutral aroma components continued to increase,while that of nicotine,potassium ion and chloride ion decreased on March 15.On March 15 and February 10,the 35 cm treatment of cultivated land was 51.79%and 75.24%higher than that of 15 cm respectively.The output value of 35 cm cultivated land on February 10 was 40.97% higher than that of 15 cm cultivated land in normal time,and the increased economic benefit was 771.12 Yuan/667 m~2.

引文

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