Soil Test Flashcards Preview

Fall 2016 - Kike's Exams > Soil Test > Flashcards

Flashcards in Soil Test Deck (26):
1

How can plants live without soil? Example 1

As long as plants have minerals and nutrients, they don't need to grow in soil.

2

How can plants live without soil? Example 2

HYDROPONICS

3

How can plants live without soil? Example 3

With WET gravel

4

How can plants live without soil? Example 4

With a WET paper towel

5

The wearing down and breaking of rock surfaces?

Weathering

6

Examples of physical weathering are (5 examples):

1. water movement
2. freeze/thaw
3. plant grow
4. wind
5. glaciers

7

What benefits do, plants receive from soil (4 Benefits)?

1. air for roots
2. water to carry nutrients to plants
3. organic & mineral matter provides nutrients
4. structural support

8

The MOVEMENT of weathered materials is called?

Erosion

9

How does erosion occurs?

Occurs through wind and water

10

How can erosion be controlled?

With plants, windbreak and mulch

11

How is soil created?

Through the processes of weathering and erosion

12

What % of soil components do mineral matter have?

45%

13

What % of soil components do organic matter have?

5%

14

What % of soil components do water matter have?

25%

15

What % of soil components do air matter have?

25%

16

What are the three soil profiles?

Topsoil, subsoil and bedrock

17

Top layer, dark color, rich in organic matter?

Topsoil

18

Bottom layer, solid rock?

Bedrock

19

Middle layer, light color, little organic matter?

Subsoil

20

What are the soil components?

Mineral matter, organic matter, water and air

21

largest, gritty?

Sand

22

Middle, smooth, slick?

Silt

23

Smallest, Sticky?

Clay

24

Size of particles found in mineral matter in soil?

Soil Texture

25

Particles of various sizes, found in the soil?

Sand, silt and clay

26

the process of growing plants in sand, gravel, or liquid, with added nutrients but WITHOUT soil.

HYDROPONICS