Which of the following statements about humus is NOT correct?
A) Humus aids in water retention.
B) Humus both increases the loss of nutrients through leaching and increases erosion.
C) Humus is a dark-colored material consisting of partially decayed plant or animal matter.
D) Humus provides a good environment for earthworms.
Correct Answer:
Verified
Q2: Of the following pesticides and their LD₅₀s
Q3: Which of the following statements about early
Q4: An early source of phosphorus for agriculture
Q5: Plants incorporate phosphorus into
A)amylopectin.
B)RNA.
C)bacteria.
D)phosphoric acid.
Q6: Which fertilizer is also an explosive?
A)NBr₃
B)NH₄NO₃
C)NaI
D)Sr₃(PO₄)₂
Q8: The Haber process results in
A)the conversion of
Q9: The LD₅₀ for aldicarb in rats is
Q10: DDT is particularly harmful to birds because
Q11: Uptake of potassium ions from the soil
Q12: The usual chemical form of potassium in
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