Humic substances consist of _____.
A) living organisms and cells
B) dead plant & animal tissues
C) identifiable biomolecules
D) polymerized, non-identifiable molecules
E) all of the above
Correct Answer:
Verified
Q2: Biomass consists of _.
A)living organisms and cells
B)dead
Q4: Soil organic matter consists of _.
A)living organisms
Q5: To avoid a nitrate depression period when
Q6: Soils with thick horizons consisting mainly (>
Q7: Which of the following added to a
Q14: Which of the following is (are)major sources
Q16: After drying to eliminate the water in
Q17: When fresh plant residues are added to
Q18: One would expect well drained soils to
Q19: Green plant residues such as grass clippings
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