Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
sod
|
The thick mass of tough roots at the surface of the soil.
|
|
|
renewable resource
|
A resource that is naturally replaced in a relatively short time.
|
|
|
Dust Bowl
|
An area where wind erosion caused severe loss of topsoil during the 1930's.
|
|
|
soil conservation
|
The management of soil to prevent its destruction.
|
|
|
contour plowing
|
The practice of plowing fields along the curves of a slope.
|
|
|
conservation plowing
|
A method of plowing where the soil and its plant cover is disturbed as little as possible.
|
|
|
Explain the importance of soil as one of Earth's resources.
|
Everything that lives on land depends directly or indirectly on soil.
|
|
|
How did settlers on the great Plains help create the Dust Bowl?
|
Plowing removed the grass from the Great Plains and exposed the soil. In times of drought, the topsoil quicly dried out, turned to dust, and blew away.
|
|
|
What are some techniques that farmers use to conserve soil?
|
a. contour plowing
b. conservation plowing |
