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The process of changing one steep field into a series of smaller, flatter fields is called
A layer of soil
terracing.
A harmful process that involves the removal and transport of soil by wind and water
humus
It is rich in nutrients, which is important for fertility
no-till farming.
soil conservation
topsoil
A way to keep soil fertile by protecting it from erosion is called ____________________.
A layer of soil
terracing.
A harmful process that involves the removal and transport of soil by wind and water
humus
It is rich in nutrients, which is important for fertility
no-till farming.
soil conservation
topsoil
Gardeners want a layer of rich ____________________ for their vegetable gardens.
A layer of soil
terracing.
A harmful process that involves the removal and transport of soil by wind and water
humus
It is rich in nutrients, which is important for fertility
no-till farming.
soil conservation
topsoil
What is soil erosion?
A layer of soil
terracing.
A harmful process that involves the removal and transport of soil by wind and water
humus
It is rich in nutrients, which is important for fertility
no-till farming.
soil conservation
topsoil
Why is organic matter (humus) an important part of soil?
A layer of soil
terracing.
A harmful process that involves the removal and transport of soil by wind and water
humus
It is rich in nutrients, which is important for fertility
no-till farming.
soil conservation
topsoil
What is a a soil horizon?
A layer of soil
terracing.
A harmful process that involves the removal and transport of soil by wind and water
humus
It is rich in nutrients, which is important for fertility
no-till farming.
soil conservation
topsoil
The practice of leaving old stalks to provide cover from rain in order to reduce water runoff and soil erosion is called
A layer of soil
terracing.
A harmful process that involves the removal and transport of soil by wind and water
humus
It is rich in nutrients, which is important for fertility
no-till farming.
soil conservation
topsoil
The dark, organic material formed in soil from the decayed remains of plants and animals
A layer of soil
terracing.
A harmful process that involves the removal and transport of soil by wind and water
humus
It is rich in nutrients, which is important for fertility
no-till farming.
soil conservation
topsoil
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