frost seeding n.— «With the temperature change we see from day to night, the ground actually contracts and opens up, developing cracks and holes. So, by putting small seed on the ground, the frost actually works the seed into the soil...
double-digging n.— «The two have employed a practice called “double-digging,” which involves digging up the top foot of soil, tilling the bottom part of the soil underneath and then replacing and tilling the top foot.» —“Yard...