Horticulture Objective 5

Front

What is the texture of soils that have about equal parts of sand, clay, and silt?

Back

loam

Front

Which is a lightweight, inorganic mica mineral capable of absorbing a large amount of water in growing media? Options: bark, compost, leaf mold, vermiculite

Back

vermiculite

Front

What is the percentage of solid soil particles in an ideal soil?

Back

50

Front

Compared to other layers of a typical soil profile, the amount of organic matter in the O horizon is:

Back

more

Front

What is compost?

Back

decayed organic matter

Front

When indicating or measuring pH, the lower the pH number, the:

Back

more acid

Front

The high carbon-to-nitrogen ratio of nondecomposed sawdust and wood shavings affects nitrogen in growing media by:

Back

makes it unavailable for plants

Front

What is perlite?

Back

natural volcanic rock

Front

Tamicka uses a commercial blend of horticulture soil because she can depend on the pH of the product being: acid, basic, alkaline, neutral

Back

neutral

Front

Which is the best inorganic growing media? Options: bark, compost, vermiculite, peat moss

Back

vermiculite