CR 188 Midterm

Question 1

What are the Luvisolic soils ?

Accepted Answer

Forest soils that tend to be acidic with an ashy white "Ae"

Question 2

Which soils have a low pH, are usually forest soils or can be from fertilizer and acid rain?

Accepted Answer

Acid Soils

Question 3

Chernozemic soils are?

Accepted Answer

Grassland Soils that are considered the most fertile

Question 4

Drought Symptoms in plants can be caused from?

Accepted Answer

Salts in the soil

Question 5

What are saturated soils

Accepted Answer

All the pores are filled

Question 6

Clay is slow to warm up, has the highest water holding and nutrient holding capacity

Accepted Answer

True

Question 7

Rate of Photosynthesis is regulated by

Accepted Answer

All the above

Question 8

Water + CO2 + Sunlight Energy = ?

Accepted Answer

Sugars

Question 9

Sand is the smallest solid particle in soil

Accepted Answer

False

Question 10

Even though plants are dormant over winter they still require energy from stored carbs to live.

Accepted Answer

True

Question 11

Soil Horizons

Accepted Answer

Layers that developed from the soil forming processes

Question 12

When water travels through upland soil, picks up salt and brings it to the surface down slope??

Accepted Answer

Blow out, Saline Seep

Question 13

What is Soil?

Accepted Answer

Mix of material capable of supporting plant life (10cm deep)

Question 14

A non-woody herbaceous species with generally broad leaves, net veins and non-jointed stems?

Accepted Answer

Forb

Question 15

On the Landscape where do eroded soils tend to accumulate?

Accepted Answer

On the bottom of slopes

Question 16

What soils are poorly drained and influenced by water logging for a period of time?

Accepted Answer

Gleysolic Soils

Question 17

What is ecology?

Accepted Answer

Two of the Above

Question 18

What is Allelopathy?

Accepted Answer

Hormones/Chemicals used to attract bacteria for N-fixation

Question 19

Organic soils contain less than 17% organic matter

Accepted Answer

False

Question 20

Found at the base of every leaf and can form a new bud, tiller or creeping roots?

Accepted Answer

Axillary Bud

Question 21

What is a population?

Accepted Answer

Group of Individuals of ONE species

Question 22

Nutrient Cycling

Accepted Answer

Has inputs, cycles and losses and are very complex

Question 23

A full township has how many sections?

Accepted Answer

36

Question 24

The grass flowering process is called?

Accepted Answer

Anthesis

Question 25

Soil Profile is?

Accepted Answer

vertical section through all the layers extends to C horizon

Question 26

Clay & Silt are more easily eroded by which force?

Accepted Answer

Water

Question 27

What is a management tool to prevent erosion?

Accepted Answer

Keep Continuous Plant Cover and use land based on capabilty

Question 28

Saline Soils

Accepted Answer

occur at a point where more water is leaving by evaporation

Question 29

How many acres are in a quarter section?

Accepted Answer

160

Question 30

On grasses what is the clasping structure that helps hold blades on the stem?

Accepted Answer

Auricles

Question 31

Parent Material is?

Accepted Answer

All the above

Question 32

Functions of soils include...

Accepted Answer

Regulate water supply, Filtering Air and Water quality, Habitat for organisms

Question 33

Livestock hooves will never be a source of compaction?

Accepted Answer

False

Question 34

What is Secondary Succession?

Accepted Answer

Steps occurring after a disturbance, soil is already formed

Question 35

Photosynthesis is?

Accepted Answer

process plants use to convert and create sugars for energy

Question 36

Compaction...

Accepted Answer

Affects pore spacing and pushes them close together

Question 37

Solonetzic Soils have...

Accepted Answer

All the above

Question 38

Climate, Relief, Parent Material, Organisms and Time are examples of...

Accepted Answer

The Soil Forming Factors that led to the creation of soil

Question 39

What is the showy reproductive portion of the plant called?

Accepted Answer

Flowers

Question 40

Salt Soils Can't be fixed.

Accepted Answer

False

Question 41

Healthy soils aren't just productive they retain organic matter for organisms to live

Accepted Answer

True

Question 42

Soil Quality is what?

Accepted Answer

All the above

Question 43

Which areas are prone to compaction

Accepted Answer

Areas Livestock gather and access roads with heavy traffic

Question 44

Adding Lime to Soil fixes what soil problem

Accepted Answer

Acid Soils

Question 45

Sand is easily eroded by which force?

Accepted Answer

Wind

Question 46

What type of plant has hollow stems, parallel veins and fibrous roots?

Accepted Answer

Grasses

Question 47

Plant type has a hard corky material that gives the stem strength but becomes less palatable?

Accepted Answer

Shrubs, Trees

Question 48

If you come across this sign what township are you in?

Accepted Answer

57

Question 49

Soil Air & Soil Water are interchangeable. So when there is more air there is less water.

Accepted Answer

True

CR 188 Midterm

Questions 49

CR 188 Midterm

Questions 49