A.敵百蟲全池潑灑成0.5ppm B.硫酸銅和硫酸亞鐵全池潑灑成0.7ppm C.漂白粉全池潑灑成0.1ppm D.高錳酸鉀1%濃度涂抹
A.50mg B.100mg C.150mg D.200mg
A.白皮病 B.萎癟病 C.彎體病 D.白頭白嘴病