The shop-soiled shirt was marked down to half price.

Hydroponics is a popular method of soilless gardening.

The soil stack is responsible for carrying waste water from the upper floors to the sewer system.

The fabric is soilable and requires regular cleaning.

The soil sterilant effectively kills all the harmful bacteria in the garden.

Farmers use soil sterilants to control pests and diseases in their fields.

Soil pollution is a major environmental concern.

The soilborne disease is spreading rapidly.

The farmers used night-soils as fertilizer for their crops.

The villagers used to dispose of their waste by collecting it in buckets and emptying it into the night-soil pit.