Crop rotation is often used in maintaining soil fertility because

Agricultural Science

WAEC 2016

A. all crops grown, add nutrient to the soil
B. some of the crops fix nitrogen in the soil
C. crops grown are ploughed into the soil
D. the crops are rotated on different farmlands

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Correct Answer: Option B

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Crop rotation is often used in maintaining soil fertility because

Correct Answer: Option B

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