Effects of Spraying Potash and Magnesia Fertilizer on the Growth, Potassium and Magnesium Nutritional Status of Flue-cured Tobacco

• Xingyang XU, 
• Xiaoning LI, 
• Wendan LI, 
• Hai LIU, 
• Yun LUO, 
• Mingbo LI, 
• Weixiang LI