last soils quiz

Question 0

What are the 3 mechanics of water erosion

Answer 0

Detachment, transport, and deposition

Question 1

What is t value?

Answer 1

Soil rate if formation. Erosion should never exceed this, but often does

Question 2

4 types of water erosion

Answer 2

Sheet
Rill
Interril

Question 3

Sheet erosion between regularly spaced rills

Answer 3

Interior erosion

Question 4

Delivery ratio

Answer 4

Soil delivered divided by soil eroded

Question 5

Name 2 instances where delivery ratio is low

Answer 5

Gentle slopes, large watersheds

Question 6

R

Answer 6

Rainfall erosivity

Question 7

K

Answer 7

Erodibility

Question 8

What types if soil have high k?

Answer 8

Silt, sand, expansive clay

Question 9

LS

Answer 9

Length and steepness if slope

Question 10

C

Answer 10

Cover and management factor
.1 perennial vegetation
1 bare soil

Question 11

Practices of conventional tillage

Answer 11

Primary tillage - plowing

Moldboard plow

Question 12

Secondary tillage

Answer 12

Disking or harrowing for seed bed

Question 13

Tertiary tillage

Answer 13

Smooth soil or remove weeds

Question 14

P

Answer 14

Erosion control practices

Question 15

Name 4 erosion control practices

Answer 15

Contour tillage
Contour strip cropping
Terrace systems
Grassed waterways

Question 16

3 mechanics of wind erosion

Answer 16

Saltation
Soil creep
Suspension

Question 17

Saltation

Answer 17

Particles moving across ground in short bounces

Question 18

Soil creep

Answer 18

Larger particles rolling and sliding along surface

Question 19

Suspension

Answer 19

Particles taken up into the atmosphere