2.5 (Soil Properties)

Question 1

How will soil color differ?

Answer 1

Sand color will differ depending on moisture content.

Question 2

What can soil color indicate?

Answer 2

Whether the soil has been saturated with water or not.

Question 3

Clay particles hold nutrients until…

Answer 3

• they are absorbed by a plant root
• eaten by a soil microbe
• absorbed into the soil

Question 4

Silt Size

Answer 4

• Range from 0.002mm to 0.06mm.

Question 5

Sand Size

Answer 5

• Range from 0.06mm to 2mm.

Question 6

Porosity

Answer 6

refers to spaces in the soil that can hold either air or water

Question 7

Permeability

Answer 7

the rate at which water can travel through soil

Question 8

Clay Size

Answer 8

Less than 0.002mm

Question 9

Clay and Silt Porosity (spaces in soil that can hold either war or air)

Answer 9

Mostly small pores

Question 10

Sand Porosity (spaces in soil that can hold either war or air)

Answer 10

Mostly large pores

Question 11

Clay Permeabilty (the rate at which water can travel through soil)

Answer 11

Slow

Question 12

Silt Permeabilty (the rate at which water can travel through soil)

Answer 12

Slow - Moderate

Question 13

Sand Permeabilty (the rate at which water can travel through soil)

Answer 13

rapid

Question 14

Clay Water-holding capacity

Answer 14

Large

Question 15

Silt Water-holding capacity

Answer 15

Moderate

Question 16

Sand Water-holding capacity

Answer 16

Limited

Question 17

Sand Porosity and Permeability?

Answer 17

Low Porosity
High Permeabilty

Question 18

Silt Porosity and Permeability?

Answer 18

Medium Porosity and Pemeabilty

Question 19

Clay Porosity and Permeabilty

Answer 19

High Porosity and Low Pemeabilty