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SCSC 301 TAMU EXAM 2 HOWE EXAM WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST 2024 – 2025 ALREADY GRADED A+ $15.99
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SCSC 301 TAMU EXAM 2 HOWE EXAM
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST 2024 – 2025 ALREADY GRADED A+
A horizon of eluviation indicates - ANSWERS-Zone of maximum leaching of clay
and Fe/Al oxides
Soils in arid to semi-arid climates, often - ANSWERS-Have deposits of secondary
minerals that have formed from the weathering soluble components of primary
minerals that cannot leach and thus form secondary mineral deposits
Which of the following is acquired by soil forming processes rather than inherited
from the parent material? - ANSWERS-Organic matter
Which of the answers below represents an immobilized form of N? - ANSWERS-
Protein in a bacterial cell
, Which is true when comparing aerobic vs anaerobic organic matter
decomposition? - ANSWERS-Anaerobic degradation is much slower than aerobic
and results in compounds that are partially decomposed
Soil organic matter degradation will be greatest when - ANSWERS-There is
sufficient soil moisture and aeration at neutral pH and relatively warm
temperatures to degrade residue with high levels of N
Organic matter tends to decrease the ___ of soils. - ANSWERS-Bulk density
Which of the following is NOT a carbon-containing compound that is involved in
the cycling of carbon associated with most plant/animal life forms? - ANSWERS-
Calcium carbonate
Which organic matter property affects the availability of nutrients to plants? -
ANSWERS-Cation exchange capacity
Complete degradation of residues (complete oxidation) results in - ANSWERS-CO2
___ is the element in residue that has the greatest effect on the rate of residue
decomposition. - ANSWERS-Nitrogen
The organic matter content of soils tends to decrease with increasing frequency
of: - ANSWERS-Cultivation
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