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Pedology
The study of soil formation and classification
what are the two questions pedology tries to answer?
how does it form, what is it made of
what did V.V. Dokuchaev do
father of pathology, made an early classification system
what did Hans jenny do
Published factors of soil formation (1941), developed the five soil forming factors
What is a pedon
the smallest soil body, section of soil that extends to the root depth
typical size of a pedon
1m x 1m x 1.5m
define polypedon
a collection of similar pedons across a landscape
what is the acronym for the five soil forming factors
CLORPT
what are the five soil forming factors
Climate, organisms (biota), relief, parent material, time
whats parent material
rock + weathering
what are the three types of rock for parents material
Igneous, sedimentary, metamorphic
the main processes of weathering
physical and chemical
three types of physical weathering
erosion, frost wedging, root wedging
four types of chemical weathering
dissolution, hydrolysis, hydraytion, oxidation reduction
Note 
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