soil

Substance that makes things unclean

Harmful things that make food, water, or places unsafe

Dirt and disgusting things that make a place very dirty

Something that makes water, soil or food unsafe

Dirt and soot that make a surface look dirty

A small amount of something that harms a person’s or thing’s reputation

Dirty, sticky stuff that makes things unclean

Dirt and grime that make something dirty

A mark on something made by wet mud

Dirt or mess that makes something dirty

Dirty mess or rubbish that makes a place unpleasant

Being free from dirt and keeping things tidy

The state of having no dirt or other things mixed in

The top part of land being worn away by rain or wind

Ground that is rich in nutrients and helps plants grow well

The land where you are born and grow up

Loose ground made mostly of sand that lets water drain quickly

Actions that stop soil washing away and keep it good for growing plants

Soil that lets extra water drain away easily

Human waste collected at night and used to fertilize fields

Soil that forms in bogs, very wet and made of dead plants

Fertile black soil with a thick layer of rotting plant material that grows crops well

Ground in desert areas that holds little water and few nutrients

Soil in very dry areas with little plant material

Fine earth left by rivers that is soft and very good for growing crops

A former 19th century US party that opposed slavery spreading into western lands

Of states or territories in the United States that did not allow slavery before the Civil War

Earth made from dead leaves that break down and help plants grow

Soil that contains shiny mineral flakes and drains water well

Soil with small raised areas and low dips that forms in clay and swells and shrinks

Heavy, sticky ground that becomes hard to work after rain

A rich black soil found in India that is very good for growing cotton and other crops

Soil that stays above the rock it came from after the rock wears away

Soil made mostly of old, partly rotted plants that holds water and nutrients

Acidic soil with low nutrients found under pine trees in cold, wet areas

A soil that forms in cold, wet areas under pine trees with a dark organic mat over a pale layer

Ground under tall grass that is very good for growing crops

The top layer of ground that has the most plant food

A pipe that carries waste water from toilets and sinks to the drain

A side view of the ground showing soil layers from topsoil down to the rock beneath

A tool that removes stones and clumps from fine soil

A government plan that pays farmers to rest fields and grow plants to improve soil

A material added to soil like compost to help it hold water and let air in

A layer of earth that is different from the layers above and below it

Germs carried or growing in soil that cause plant disease

Plants grown to improve the soil and make it richer

Dark wet ground that has an always frozen layer under it in Arctic regions

Soil that still has stones or large clumps because it was not put through a sieve