The phrase "under soil" is correct and usable in written English.
You can use it to refer to something that is buried or covered in the ground, such as plants or buried objects. For example, you could say "We found a stash of old coins buried under soil near the old farm."
Regolith is a stony blanket that lies under soil and over bedrock.
If the nest is buried under soil or other material, a hatchling must dig upward to emerge on the surface.
It is not clearly understood whether lapies forms on bare rock or forms under soil mantle and is exposed later.
By the time Ms. Bullock arrived in 1990, with a master's degree in horticulture and 10 years' experience as a wood plant propagator, the Glenn Dale collection had fallen into neglect, its plants buried under soil that had eroded down the steep slope, and smothering under English ivy and honeysuckle.
Turf has been stripped from the pitch for an under soil heating system to be installed.
"There are more things living under soil than on the surface of the entire planet, [so] there's a lot of opportunity to figure out causality".
The pitch was great and the under-soil heating worked.
The £486m centrepiece of the Olympic Park has been built without the under-soil heating required in England to stage top football matches.
The need for under-soil heating was highlighted when a Six Nations rugby match between France and Ireland was called off earlier this month because the Stade de France in Paris lacked such a facility.
West Ham would have footed the bill of up to £2m to install a new pitch with under-soil heating but its long-term tenancy agreement was ripped up last year due to legal challenges.
Premier League rules state that a club must have "an under-soil heating system or some adequate system of pitch protection to the reasonable satisfaction of the board" to stage matches.
