Effect of Panicle Fertilizer Amounts on the Yield and Population Quality of Indica Directly Sowing Rice under Potato-rice Rotation System

• Haiping ZHU, 
• Yuwen LIU, 
• Yaowei WANG, 
• Ruhui LI, 
• Shuling TIAN, 
• Yiping OUYANG, 
• Jiu YANG, 
• Congdang YANG