Agricultural Science > 2019 PAPER I > 15
BECE/Junior WAEC
Use the diagram below to answer questions
.
The pest in the diagram can be controlled biologically by
.The pest in the diagram can be controlled biologically by
A.
burning crop residue
B.
introducing natural enemies
C.
practising crop rotation
D.
setting insect trap
E.
using resistant varieties
Answer: E
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