A. obtain higher farm yield
B. carry out farm operation quickly
C. improve the quality of farm produce
D. produce disease-resistant crop varieties
Correct Answer: Option D
D. produce disease-resistant crop varieties
A. obtain higher farm yield
B. carry out farm operation quickly
C. improve the quality of farm produce
D. produce disease-resistant crop varieties
Correct Answer: Option D
D. produce disease-resistant crop varieties
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