1.suitable for drilling wheat, miller, sorghum, maize,etc. 2.can fertilize while drilling. 3.can perform covering, rolling The series drills are suitable for drilling wheat,miler,sorghum and maize,etc. They can fertilize while drilling.They can perform drilling,fertilizing,covering and rolling,etc.These machines are suitable for no-tillage sowing corn and simultaneous fertilization in stubble ...