... machine,including plough, planter/seeder(wheat,corn, soybean ), tractor(20HP--150HP), combine harvester(wheat ,corn,rice,potato), straw chopper and machine parts ... can complete the operation of corn picking, corn collection into box and straw crushing and returning to field at the ... ideal result of crushing and returning straws to fields. 4 Rows Corn Combine Harvester with peeling machine JY-YS-4B