Deck 2 Flashcards
Define CEC:
The amount of exchangable cations per unit dry weight of soil.
What does CEC depend on?
Soil Structure
Define Buffer Capacity:
The ability of a soil to resist change
Cation is a positively charged ion….true or false?
True
Define Soil Colloid:
Soil particles measuring 2 micrometers or less in diameter.
what soil components make up the Colloidal material in the soil?
Clays and Humus
Anions are what?
negatively charged ions
What are the most common soil Cations?
- Calcium
- Magnesium
- Potassium
- Sodium
- Hydrogen
- Ammonium
Clay and organic matter have _______ charged sites that hold _______ charged ions on their surface.
Negatively
Positivley
Cation Exchange Capacity is sometimes called what?
Total Exchange Capacity
Does limestone Raise or Lower the soil pH?
Raises the pH
When is the best time to determine your CEC?
At Construction
When constructing a new green….whatis the best ammendment option for adding OM to the sand mix?
Decomposed Peat
Manganese can be used to suppress what disease?
Take-All Patch