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539 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 17

    Variation of soil potassium quantity-intensity relationship in flue-cured tobacco-rape rotation system under long-term located potassium application

    DAI Kuai(1); LI Jiangzhou(1); ZHANG Limeng(1); JI Sigui(1); LONG Huaiyu(2); XU Zhaoli(3); DUAN Yuqi(3); YANG Yuhong(3); LU Xiuping(3); JIAO Yongge(1); BU Lingduo(1)
    (1) Yunnan Tobacco Company Yuxi Branch/Biological Control of Tobacco Diseases and Insect Pests Engineering Research Center of China, Yuxi, P.R. China; (2) Institute of Agriculture Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, P.R. China; (3) Yunnan Tobacco Agriculture Research Institute, Kunming 650031, P.R. China
    The aim of this study was to explore the effect of long-term potassium application on soil potassium supply capacity, so as to provide certain scientific basis for rationalising potassium application and continuing research on the development of ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 50

    Reducing nicotine in Burley tobacco by combining low alkaloid varieties and agronomic practices

    FISHER A.M.; FISHER C.R.; JI H.
    University of Kentucky, Lexington, KY, U.S.A.
    The United States Food and Drug Administration (FDA) has requested comments on a possible nicotine standard of 0.3-0.5 mg/g in tobacco filler. There are currently no publicly available varieties that approach this level. The objective of this study was to ...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 07

    Effects of wheat straw and biochar addition on physiochemical properties and organic carbon fractions in flue-cured tobacco planting soil

    WANG Yi; ZHANG Junqing; KUANG Shuai; GUAN Ensen; ZHUO Qicui; SONG Xiaopei; LU Weilong; WANG Dahai; LIU Yuedong; ZHANG Jiguang
    Weifang Tobacco Co., Ltd of Shandong Province of CNTC, Weifang, P.R. China; Ministry of Agriculture, Tobacco Research Institute, Chinese Academy of Agriculture Sciences, Qingdao, P.R. China
    Soil organic carbon (SOC) is the core component in maintaining soil fertility. However, soil total organic carbon (TOC) gains and losses are difficult to distinguish over a short time period. Previous studies showed that labile organic carbon fractions, ...
  4. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 052

    Relationship of alkaloids, PON, TSNAs, nitrate and nitrite: a two-year field analysis

    WU YING; JI HUIHUA; JACK FISHER A.; FANNIN F.; CHATTOPADHYAY N.; BUSH L.
    University of Kentucky, Lexington, KY, USA
    Tobacco-specific nitrosamines (TSNAs) are a class of nitrosamines that are included in the FDA’s Harmful and Potentially Harmful Constituents (HPHC) list. Two of these, Nʹ-nitrosonornicotine (NNN) and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) ...
  5. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 101

    Characterization of the bacterial community associated with smokeless tobacco reference products under different storage conditions

    LIU SHUANG; GREENHUT I.; MOE L.
    University of Kentucky, Lexington, KY, USA
    In this study we characterize the bacterial communities associated with smokeless tobacco reference products (STRP), including loose leaf chewing tobacco (3S1), moist snuff (3S3), American snus (1S5), and Swedish snus (1S4) during a 1-year storage period. ...