Subsurface Soils Flashcards
1
Q
Which have poor nutrition status, surface or subsurface soils
A
Subsurface soils
2
Q
T/F they have a high presence of VBNC adn VBDC.
A
T
3
Q
What are the 2 main differences between surface soil and subsurface soils?
A
Weathered organic minerals and organic matter
4
Q
Are deep subsurface soils eutrophic or oligotrophic?
A
Oligotrophic, although microorganisms can be found at a depth of more than 3 km
5
Q
Majority of microbes from soil subsurface are gram _____ and _____
A
Positive and anaerobic.
6
Q
Does the vadose zone have higher or lower magnitude than surface.
A
Lower, up to 9 magnitudes lowe,r
