Core Soil Properties Flashcards
1
Q
Sand particle size
A
0.05-2mm
2
Q
Silt particle size
A
0.002-0.05mm
3
Q
Clay particle size
A
<0.002mm
4
Q
Clay is prone to
A
compaction
5
Q
Sand is prone to
A
erosion and drought
6
Q
Specific surface area
A
surface area of a sample per mass.
higher in clay than sand
7
Q
what gives clay extra water holding capacity and acts as a storage mechanism for cations
A
the negative charge
8
Q
3 things clay can mean
A
-soil texture class
-separates size
-mineral type
9
Q
soil organic matter carbon content
A
58%
10
Q
soil organic matter is comprised of…
A
living organisms, plant litter/residue, dissolved organic biomolecules, stable SOM (humus)
11
Q
SOM improves…
A
soil structure, water holding capacity, nutrient holding, organism food, soil diversity, pore spaces
