Controlling maize leaf spot by seed treatment with low-frequency electric current
tian fu-jin1; li deng-qing2; li ai-min2; chen ai-hua2; wang shi-jun3; tian feng-huan4 (1. agricultural broadcasting and television schoot of juancheng; shandong juancheng; 274600; china; 2. plant protection station of juancheng; 274600; china; 3. soil and fertilizer station of juancheng; 274600; china; 4. seed management station of juancheng; 274600; china)
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