单语范例（未经PONS编辑处理）
For example, a sandy loam soil with 20% gravel would be called gravelly sandy loam.
en.wikipedia.org It prefers soils rich in nitrogen, and is often found on stony or gravelly soils.
en.wikipedia.org It is common around cliffs and canyons and in gravelly plains with shrubby vegetation.
en.wikipedia.org The undulating surface of rich, gravelly loam made agriculture an early occupation.
en.wikipedia.org Soils around the lake are mostly well drained or rapidly drained gravelly sandy loams or gravelly loamy sands with brown podzolic profile development.
en.wikipedia.org