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  4. JAMB 1989
  5. Most irrigated lands...

Most irrigated lands often become unproductive in later years because of

Biology
JAMB 1989

Most irrigated lands often become unproductive in later years because of

  • A. loss of fertility
  • B. increase in salinity
  • C. soil erosion
  • D. loss of water
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Correct Answer: Option C
Explanation

Disadvantages of irrigation:

-  Excess of water in soil leads to water logging

 

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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