Heavy roller tractor to be connected to the three-point axle system is drawn type of two types. The soil compacts the piles that other soil processing tools cannot break apart by pushing them. It balances the air spaces in the soil by suppressing the unstructured soil before planting.
When applied after planting, it prevents them from getting air by compressing seeds in the soil. After the rain, it breaks the cream layer in the soil without affecting the plant.