Plant and Soils 1 - Soils

Which soil particle is the smallest?

• sandstone

• clay

• loam

• gravel

Which of the following would be considered inorganic matter?

• rock particles

• leaves

• grass clippings

• bark

What kind of soil is easy to work with adequate moisture?

• loose

• compacted

• compressed

• hard

Which term best describes the soil's ability to provide nutrients for plant growth?

• soil definition

• soil cycle

• soil fertility

• soil nutrition

What is the accumulation of decayed or partially decayed plants and animals?

• organic matter

• water

• mineral matter

• calcium carbonate

What will a growing medium kept too wet deprive plants of?

• soluble salts

• fertilizer

• water

• oxygen

Soils with large amounts of sand are _________ to work than soils with clay.

• harder harder

• easier

• more difficult

• tougher

What is the view of a cross-section of soil that is taken from the side and can be best seen from within a pit?

• soil environment

• soil profile

• soil height

• soil vertical

Which soil particle is likely to form hard clumps when dry and is sticky when wet?

• loam

• silt

• sand

• clay

What term describes the downward movement of water through the soil?

• percolation

• settling

• regulation

• calibration