When the upper layers of soil are dark brown or black, this would indicate:
A) a high pH level
B) the presence of organic matter
C) a high level of solar radiation
D) the presence of iron oxides
Correct Answer:
Verified
Q3: A loam soil consists of:
A) mostly silt
Q4: Which soil would have the highest permeability?
A)
Q5: Alkaline soils have a pH value of:
A)
Q6: The peds associated with platy soil structure
Q7: What type of topography produces a thicker
Q9: Porosity is the ability of soil to
Q10: A pedon extends down to _.
A) just
Q11: The smallest soil particle is called:
A) silt
B)
Q12: The _ is the rate at which
Q13: 70% sand, 20% silt, and 10% clay
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