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Q: The crops that increase the natural fertility of soils through nitrogen fixation are known as
  • A. Cash crops
  • B. Legume crops
  • C. Horticulture crops
  • D. Fibre crops
Correct Answer: Option B - The crops that increase the natural fertility of the soil through nitrogen fixation area called legume crops. These crops can fix atmospheric nitrogen through their root nodules. This reduces the use of chemical fertilisers like urea and ammonium nitrate. It is significant that, growing legume crops for the natural fixation of atmospheric nitrogen was an age-old practice of traditional farmers.
B. The crops that increase the natural fertility of the soil through nitrogen fixation area called legume crops. These crops can fix atmospheric nitrogen through their root nodules. This reduces the use of chemical fertilisers like urea and ammonium nitrate. It is significant that, growing legume crops for the natural fixation of atmospheric nitrogen was an age-old practice of traditional farmers.

Explanations:

The crops that increase the natural fertility of the soil through nitrogen fixation area called legume crops. These crops can fix atmospheric nitrogen through their root nodules. This reduces the use of chemical fertilisers like urea and ammonium nitrate. It is significant that, growing legume crops for the natural fixation of atmospheric nitrogen was an age-old practice of traditional farmers.