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sasikala parthasarathy
's Polls
Gk
The chief purpose of crop rotation is to check the loss of top soil
by water erosion
3 votes (37%)
by water erosion
by wind erosion
0 votes (0%)
by wind erosion
of its mineral content
4 votes (50%)
of its mineral content
by weathering
1 vote (12%)
by weathering
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8 votes
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