Practice DOC

What is a common component in artificial soil mixes

• perlite, vermiculite, peat moss, and compost
• clay
• sand
• topsoil

Which of the following is often used to improve soil aeration?

• perlite

• clay

• silt

• loam

What is a primary benefit of adding compost to soil?

• Increases soil acidity

• Improves soil structure

• Reduces soil temperature

• Decreases soil pH

Which material is commonly used to retain moisture in potting mixes?

• vermiculite

• gravel

• sand

• charcoal

A grassland soil __________than a woodland soil.

• has a thicker A horizon

• has a greater diversity of invertebrates

• has less organic matter

• has fewer air spaces