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WAEC Agricultural Science 2013 Question 18

Question 18

Farm Machinery and Mechanisation

One of the main disadvantages of mechanical tillage is the

  1. A.low initial cost of equipment.
  2. B.need for special training before machines can be used.
  3. C.use of heavy equipment leading to soil compaction.
  4. D.use of foreign exchange to purchase machine parts.
Show the answer and explanation

Answer: C (use of heavy equipment leading to soil compaction.)

Explanation

Heavy tractors press the soil down, damaging its structure.