Research on oil levels identification of flue-cured tobacco based on near infrared spectroscopy Journal title: Journal of Henan Agricultural University Authors: Guangming FU, Ziting GAO, Jianxin YANG, Huaiqi LI, Fei LUO, Yifan LIANG, Dingwei YAN, Fengjie WEI, J... Subject(s): Forestry Science, Plant Sciences, Agriculture, Multidisciplinary, Veterinary Sciences