Soils Test 1

Question 0

What is a macronutrient?

Answer 0

Nutrients needed in large quantities

Question 1

Name roles or services that soils provide?

Answer 1

Recycling of nutrients and waste

Purification of water

Question 2

Name macronutrients (2)

Answer 2

Nitrogen

Phosphorus

Question 3

How can soil influence climate? (2)

Answer 3

Carbon sequestration

Evaporation

Question 4

Difference between soil and soils?

Answer 4

Soil only has four components

Soils are soil + everything else

Question 5

Describe the formation of soil

Answer 5

Rock is broken down into regolith, regolith is further broken down and eventually will become soil.

Question 6

Soil profile?

Answer 6

A vertical section of the soil

Surface to regolith

Question 7

3 primary soil horizons?

Answer 7

A,B,C

Question 8

Why is the soil near bedrock less developed than near the surface?

Answer 8

Less weathering, chemical reactions, and less activity

Question 9

Define soil texture

Answer 9

Relative quantities of sand silt and clay

Question 10

Soil classification of clay?

Answer 10

.002 or smaller

Question 11

Soil texture can provide?

Answer 11

WHC

Question 12

Soil structure?

Answer 12

Arrangement of particles

Question 13

Nutrients move through?

Answer 13

Mass flow

Root interception- direct contact

Question 14

How does nutrient enter the plant through diffusion?

Answer 14

Areas of high concentration to low concentration

Question 15

Name nutrient that enters plant by diffusion?

Answer 15

Zinc

Question 16

Rock types?

Answer 16

Igneous
Metamorphic
Sedimentary

Question 17

Agents of physical weathering

Answer 17

Erosion

Temp change

Question 18

How does parent material influence soil?

Answer 18

Acidity of the soil

Nutrient capacity

Question 19

Parent material classified?

Answer 19

By its Origen

Question 20

Another origin of parent material?

Answer 20

Volcanoes

Question 21

Effective precipitation?

Answer 21

Rain that reaches the regolith

Question 22

Temps tyre effects soil formation by?

Answer 22

Effecting chemical reaction rate

Question 23

Animals role in soil formation?

Answer 23

Moles

Add om after dead

Question 24

Change in vegetation

Answer 24

O- likens, algie
A and c- grasses
B- shrubs
E- trees

Question 25

Processes effecting soil formation

Answer 25

Transformation- chemical reactions

Translocation- movement within

Question 26

A horizon?

E horizon ?

Answer 26

A- top soil. High om, generally dark in color

E-low in clay and nutrients things flow out

Question 27

Created soils indicated

Answer 27

By a caret ^

Question 28

Primary soils found in Ky.? How are they similar?

Answer 28

Altisol
Ultisol

Acidic, highly leached, formed under forests