core soil properties: #1 soil texture Flashcards
1
Q
what is the biggest size particle that is considered soil
A
2.0 mm
2
Q
the particle size of soil is considered a ______ property of soil
A
stable
3
Q
what size range is sand
A
0.05 mm-2.0 mm
4
Q
what size range is silt
A
0.002 mm-0.05 mm
5
Q
what size range is clay
A
<0.002 mm
6
Q
why is soil texture important
A
- water-holding capacity
- permeability
- soil workability
- vegetation growth and distribution
7
Q
what has a higher surface area? sand or clay
A
clay has a much higher surface area than sand
8
Q
why is a surface area important in dirt
A
- give us an idea about the amount of water it’ll hold
- nutrient absorption
- weathering
- aggregation
- microorganisms
