Comparison of Growth Period, Yield and Value in Flue-cured Tobacco Pattern of Transplanting Young Seedlings under Film to Conventional Transplanting above Film and Its Correlation with Meteorological Factors

• GUO Yingcheng, 
• ZHANG Yidan, 
• LI Folin, 
• CHEN Yu, 
• HE Chenggang, 
• HU Zhiming