A Preliminary Study on the Color Variation and Classification of Tobacco Strips Separated from Different Threshing and Pneumatic Separation Units

• Yuzhen WANG, 
• Zhanyong GAO, 
• Hui WANG, 
• Xianguo WANG, 
• Siyuan LI, 
• Xiaolong MA, 
• Jingjin YANG, 
• Hui GAO