DB34/T 1571-2011 Multiple Mechanization Operating Technical Regulation of Banding-type Rotary Tilling-Seeding for Summer Maize in Maize-wheat Rotation in Low Marsh Land along the Huai River (English Version)
2011DB34/T 1571-2011 Multiple Mechanization Operating Technical Regulation of Banding-type Rotary Tilling-Seeding for Summer Maize in Maize-wheat Rotation in Low Marsh Land along the Huai River