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Science CBSE Homework Assignments
Class 9
Improvement in food resources
Cropping patterns and Infestation
1.
Mixed cropping, intercropping, and crop rotation
Question:
3
m.
Choose the correct answer
:
1
.
Cropping patterns involves
involves collection of rain water by digging tunnels in the ground
supplying water in controlled amounts
raising crops to give maximum benefit from same piece of land
none of the above
2
.
Advantages of crop rotation includes
good yield and harvest
planting different crops on rotation increases yield
all of the above
increase in soil fertility
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