subsoiler
/ˈsʌbˌsɔɪlər/
noun
- A farming tool or machine used to break up deep layers of soil without turning it over, improving drainage and root growth.
- Before planting the orchard, they ran a subsoiler through the ground to break up the hardpan.
- The farmer used a subsoiler to loosen the compacted soil in the field.
- A subsoiler can help water reach deeper roots during dry spells.