Resource.
1/
10
, NCSU SSC 200 Exam II – Complete Study
Resource.
1. For any soil, the bulk density is always higher than the False
particle density.
2. Structure refers to the shape and size of True
aggregates formed by individual particles
binding into peds.
3. The polarity of water has nothing to do with the attrac- False
tion of water molecules for each other.
4. The percentage of the soil's volume that is occupied by Porosity
pores is called .
5. Which of the following actions would best ensure good Removes
excess water
aeration in a soil?
-increases the soil temperature
-add organic residues
-use cover crops
-remove excess water
6. Soil water potential is the sum of the forces of
gravity, False adhesion and cohesion. It has little to
do with the presence or absence of salts.
7. A subsoil zone that stays wet more often than 10. In texture by
its dry will probably be dominated by feel
colors. methods,
this
8. Select the appropriate structure: Soil has no component
visible structure and is hard to break apart. accounts for
longer
9. The attraction of water to the soil solids,
ribbon
responsible for capillary flow, is the .
formation.
2/
10