Soil Analysis

Question 1

thin layer of material covering the earth’s surface and is formed from the weathering of rocks

Answer 1

soil

Question 2

It is made up of mineral particles, organic materials, air, water, and living organisms.

Answer 2

soil

Question 3

is the edaphic factor of the ecosystem which has physicochemical characteristics.

Answer 3

soil

Question 4

characteristics describe the type of soil based on the particles present, profile, and moisture content

what characteristics

Answer 4

physical

Question 5

components consist of the nutrients and trace elements measured.

what characteristic of the soil

Answer 5

chemical

Question 6

also influences drainage characteristics which affect the transport of the elements.

Answer 6

soil texture

Question 7

soil is composed of what percent of minerals

Answer 7

45%

Question 8

soil is composed of what percent of air and water

Answer 8

25 percent

Question 9

soil is composed of what percent of organic matter

Answer 9

5%

Question 10

edaphic factor of the ecosystem which has physico-chemical characteristics

Answer 10

soil

Question 11

hen water saturates the soil and drains, it is known as

Answer 11

gravitational water

Question 12

. Water that is left in the soil pores is the one used by plants

Answer 12

capillary water

Question 13

The water that is present in the molecules of water which can be removed only by oven drying is known as

Answer 13

hygroscopic water

Question 14

Soil has three main size particles consisting of

Answer 14

soil
silt
sand

Question 15

are less than 0.002 to 0.002 mm in size,

Answer 15

clay

Question 16

ranges from 0.002 to 0.02 mm in size

Answer 16

silt

Question 17

particles from 0.02 to 2mm.

Answer 17

sand

Question 18

topsoil

Answer 18

a horizon

Question 19

referring to the organic material consisting of litter, humus, and other decomposing material

Answer 19

o horizon

Question 20

hich is the main site for leaching organic materials

Answer 20

e horizon

Question 21

which is the accumulation area

Answer 21

b horizon

Question 22

also known as the subsoil where clay, soluble salts, and leached humus are stored.

Answer 22

b horizon

Question 23

is composed of disintegrated rocks and other particles from the parent material

Answer 23

c horizon

Question 24

are composed of huge rock which is the foundation.

Answer 24

r horizon

Question 25

The three major elements composing the soil are

Answer 25

nitrogen phosphorus potassium

Question 26

Itis the thin layer of material covering the earth's surface.

Answer 26

soil

Question 27

Formed from the weathering of rocks

Answer 27

soil

Question 28

It is the process of soil, mineral, and rock decomposition through direct contact with the atmosphere

Answer 28

weathering

Question 29

is composed of minerals, organic material, gases, living organisms, and water that support plant growth.

Answer 29

soil

Question 30

factors affecting soil

Answer 30

parent material climate biotic factors topography time

Question 31

minerals forming the basis of soil

Answer 31

parent material

Question 32

influencing soil formation

Answer 32

living organism

Question 33

affecting the rate of weathering and organic decomposition

Answer 33

climate

Question 34

grade of slope affecting drainage, erosion, and deposition

Answer 34

topography

Question 35

influencing soil properties

Answer 35

time

Question 36

Moisture content Soil Particles Soil Texture Soil Temperature Soil Profile what kind of properties

Answer 36

physical

Question 37

Soil pH Nitrogen Phosphorus Potassium Soil organic matter what kind of properties

Answer 37

chemical

Question 38

is the water that is held in the spaces between soil particles

Answer 38

soil moisture

Question 39

is the water that is in the upper 10 cm of soil.

Answer 39

surface soil moisture

Question 40

e is the water that is available to plants, which is generally considered to be in the upper 200 cm of soi

Answer 40

root zone soil moisture

Question 41

e is the proportion of the three sizes of soil particles that are present and the fineness or coarseness of soil

Answer 41

soil texture

Question 42

is a chart that shows the soil texture class based on the percentage of sand, silt, and clay

Answer 42

soil triangle

Question 43

study soil structure

Answer 43

+1

Question 44

e can be observed through the direct observation of the layers or horizons of the soil.

Answer 44

soil profile

Question 45

rganic materials consisting of litter, humus, and other decomposing materials

Answer 45

o horizon

Question 46

the humus layer

Answer 46

a horizon

Question 47

serves as the main site for leaching organic materials

Answer 47

e horizon

Question 48

the layer present just below the topsoil and above the bedrock

Answer 48

b horizon

Question 49

composed of the disintegrated rocks and other particles from the parent materials

Answer 49

c horizon

Question 50

lies just below the subsoil consisting of stones and broken rocks

Answer 50

r horizon (bedrock)

Question 51

is the product of on-site biological decomposition that affects the chemical and physical properties of the soil and its overall health

Answer 51

soil organic matter

Question 52

is a measure of how acidic or basic soils are. pH levels range from 0 to 14

Answer 52

pH

Question 53

The optimal pH range for most plants is between

Answer 53

5.5 and 7.0

Question 54

provides the nutrition needed for optimal plant growth. Plants could not survive without one of these essential nutrients.

Answer 54

NPK

Question 55

what does NPK mean

Answer 55

Nitrogen Phosphorus Potassium

Question 56

acts in the greens in plants

Answer 56

nitrogen

Question 57

reaches down to the roots and help produce blooms

Answer 57

phosphorus

Question 58

promotes all around wellbeing

Answer 58

potassium

Question 59

moisture content computation

Answer 59

initial weight-dry weight/initial soil weight x 100

Question 60

read soil texture procedure

Answer 60

+1

Question 61

organic matter percent computation

Answer 61

initial weight - dry weight / initial soil weight x 100

Question 62

what indicator is first used in soil pH

Answer 62

CPR

Question 63

read soil pH procedure

Answer 63

+1

Question 64

If soil pH is equal to or greater than 6, repeat steps 1-5 using ___ instead of CPR

Answer 64

BTB

Question 65

If soil pH is less than or equal to 5 repeat steps 1-5 using ____ instead of CPR

Answer 65

BCG