Roots are leaves in the ground.The critical distance above and below the surface of
the planting bed is not exactly 2 inches. Obviously it will
be di<erent for radishes than for corn, since their leaves
begin at di<erent heights from the soil surface and
because their root systems have di<erent depths.
Generally speaking, though, the 2-inch guideline helps us
develop a sensitivity to the plants’ needs above and
below ground. In particular, this mini-climate protects
feeder roots and microbial life, which are both
concentrated in the upper soil.
Once you have planted a at, there are several
locations—depending on the weather—where you can