... tillage,fertilization,planting,ridging,spraying herbicides and laying the membrance could be completed ... -driven wheels, stander, ditcher, seeding device, seed tank and fertilizer tank, etc. The machine is connected ... wheels of the machine at changing speed; and meanwhile, proper amount of fertilizer is discharged ... (adjustable)0-27(adjustable)0-27(adjustable)Seed row spacing(cm)24-28(adjustable)24- ...