Question 20
Farm Machinery and MechanisationThe main reason why the disc plough is preferred over the mouldboard plough for use in heavy soils is that
- A.the scraper removes any adhering mud
- B.it is lighter and so gets stuck easily
- C.its frame is made of stainless steel
- D.it buries weeds more effectively.
Show the answer and explanation
Answer: A (the scraper removes any adhering mud)
Explanation
The discs roll through sticky soil and the scraper cleans off mud, so it does not clog.