Chapter 2 Flashcards
(True or False)
Soil texture is the ONLY thing that is tested for soil testing.
False
Which soil texture has the largest particles and is gritty in texture?
Sand
During the feel test if the sample makes a ribbon that is 1”-2” before it breaks what category is it in?
sandy clay loam, clay loam, and silty clay loam
(True or False)
Evaporation is how water is transformed from liquid to vapor
True
(True or False)
Ph stands for the potential of hydrogen
True
_____is the neutral number on the ph scale where elements are not to acidic or basic.
7
What range is considered acidic on the PH scale?
0-6
(T or F)
Anchorage is when a plant’s roots are firmly supported in deep ground and are growing freely.
True
Subsoil is:
the layer of soil just underneath the top layer
land on which pasture is planted with forage crops?
Grazing land
land on which trees are planted and harvested
Forestry
land on which soil is worked and crops are planted
Crop land
(T or F)
Adobe and concrete are used as natural building materials.
True
How many land classifications does the soil conservation have?
8
Bulk density refers to the _________
of oven dry soil with its natural structural arrangement.
weight
Water held between saturation and field capacity is called what?
gravitational water
T or F
Soil texture is NOT related to the individual soil particle size.
False
T or F
Soil texture is the ONLY thing that is tested for soil testing.
False
Which soil texture has the largest particles and is gritty in texture?
clay
sand
silt
none of the above
sand
Taking soil samples from multiple locations in the same field is:
A good idea
A bad idea
Not useful
None of the above
a good idea
Following the steps in the video for the feel test; how do you know if you have loamy sand?
when pushed into a ribbon it stays together and is smooth in texture
when pushed into a ribbon it falls apart and is not gritty in texture
when pushed into a ribbon it falls apart and is gritty in texture
it can’t be pushed into a ribbon
when pushed into a ribbon it falls apart and is gritty in texture
During the feel test if the sample makes a ribbon that is 1”-2” before it breaks what category is it in?
sandy loam, loam, and silt loam
sandy clay loam, clay loam, and silty clay loam
sandy clay, clay, and silty clay
sandy clay loam, clay loam, and silty clay loam
What colors are associated for bases?
none of the above
yellow to red
green to almost purple
white to yellow
green to almost purple
_________ is the neutral number on the ph scale where elements are not to acidic or basic.
7
T or F
Ph stands for the potential of hydrogen
True
T or F
Bases lose hydrogen ions and become hydroxide.
True
The Ph scale is a scale on acids and bases and ranges from what?
5-10
0-14
1-10
0-7
0-14
What range is considered acidic on the PH scale?
0-6
7-14
3-9
none of the above
0-6
