Activity VI.
1. Observe the difference in the examples of soil orders shown on the photo plates
found
between PP 114-115 of the text. What 5 factors cause the soils to look different.
(see Text 2.2)?
2. Using the world map at the end of the text, list a major geographic location where
you can
likely find each soil orders.
a. Entisols b. Mollisols c. Aridisols d. Ultisols e. Histosols
3. Which soil order might one find under the following conditions?
a. over most of the states of Arizona and New Mexico
b. in the temperate rain forest of Virginia and North Carolina, and Georgia
c. under a South Dakota prairie
d. soils that forms from the accumulation of organic matter in shallow lakes
e. along the flood plain of the Mississippi river
4. What are Pedons and Polypedons ( see 3:1 in text)?
5. What are the main characteristics of the following horizons (See 3.2 in the
text)?
mollic
argillic
ochric
oxic
6. What distinguishes the following moisture conditions. Aquic,
Aridic, and Xeric.