Researchers collected samples of native soils from across the valley to study their microbial diversity.

The contractor tested the compaction of the fill soils before starting the foundation work.

Advanced studies in soil mechanics are essential for designing stable foundations in earthquake-prone regions.

The night soil men worked until dawn, hauling buckets of waste from the alleyway latrines.

His speech was racy of one's soil, redolent of harvests and hearthfires.

It's easy to soil one's pants when a snake slithers across your path.

Many farmers along the Deccan Plateau depend on black cotton soil because its moisture-retaining properties make it ideal for growing cotton.

At dawn, the night soil man rattled his wheelbarrow through the narrow alleyways, collecting chamber pots from households before the streets filled with people.

The curator carefully documented the soilures found on the ancient tapestry before beginning restoration.

The botanist developed a soilless method for growing herbs on floating rafts.