Tilling can prepare the ground for grass and other plants, as well as aerate it so that nutrients can get deep into the soil.
To start with, there are three main categories of tillers: cultivators, front- or mid-tine and rear-tine. Cultivators are lightweight and easy to manipulate for light--duty work. “Usually cultivators ...
Garden tillers are used to break up compacted soil in large open areas or smaller garden patches. Tillers are available as front-tine or rear-tine machines, depending on the position of the tines.