A. ploughing of land up and down slope
B. persistant cultivation of crops in regions of inadequate rainfall
C. over-cropping
D. mixed cropping
Correct Answer:
Option D – mixed cropping
A. ploughing of land up and down slope
B. persistant cultivation of crops in regions of inadequate rainfall
C. over-cropping
D. mixed cropping
Correct Answer:
Option D – mixed cropping
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