Journal of Zhejiang Agricultural Sciences ›› 2024, Vol. 65 ›› Issue (6): 1351-1357.DOI: 10.16178/j.issn.0528-9017.20230121

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Research progress on potassium increase and chlorine reduction technology for flue-cured tobacco

KANG Hui1(), CHEN Siyuan2, LUO Yunxia1, ZHANG Bao1, MA Yangyang2, ZHOU Hang2, CHEN Hongli2, YANG Aiyong1,*()   

  1. 1. Dali Tobacco Company Midu County Branch, Dali 671000, Yunnan
    2. College of Tobacco, Henan Agricultural University, Zhengzhou 450000, Henan
  • Received:2023-05-26 Online:2024-06-11 Published:2024-06-20

Abstract:

Potassium and chlorine are two important nutrients in flue-cured tobacco, which are important indicators to measure the quality of tobacco leaves, and their content has an important impact on the appearance quality and internal quality of flue-cured tobacco. At present, tobacco leaves in some tobacco areas in China have the problem of low potassium and high chlorine, which restricts the production of high-quality tobacco leaves in China. In order to solve this problem, this paper summarizes the factors affecting the potassium and chloride content of flue-cured tobacco leaves, and comprehensively introduces the main research technologies in recent years, such as irrigation technology, optimization of fertilization methods, improvement of cultivation measures, and breeding of high-potassium and low-chlorine varieties, so as to provide a theoretical basis for the potassium increase and chlorine reduction technology of flue-cured tobacco leaves.

Key words: flue-cured tobacco, potassium, chlorine, potassium increase and chlorine reduction technology

CLC Number: