Agricultural Science > 2015 > 48
WASSCE
The effect of fertilizing a fish pond with compost manure on phytoplankton population and fish yield is such that
A.
photoplankton population decreases as fish yield decreases
B.
phytoplankton population decreases while fish yield increases
C.
phytoplankton population increases while fish yield decreases
D.
phytoplankton population increases as fish yield increases
Answer: D
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