Crop rotation is often used in maintaining soil fertility because
AGRICULTURE
WAEC 2016
Crop rotation is often used in maintaining soil fertility because
- 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
Correct Answer: B. some of the crops fix nitrogen in the soil
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