The primary function of a disc harrow in farm operations is to
Aplant seeds at uniform depth
Bapply fertilizer to the soil
Cbreak up clods and incorporate crop residues into the soilCORRECT
Dpump water from a borehole to the field
GCEAgricultural ScienceFarm Machinery and Tools2020
AI
Toaster Teacher
Why the answer is C, and why the others tempt you.
A disc harrow consists of a series of concave metal discs that cut through the soil to break up clods, level the surface, and incorporate crop residues after ploughing. It is a secondary tillage implement and does not plant seeds, apply fertilizer, or pump water.
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →
Practice more Agricultural Science questions
GCE Agricultural Science has thousands more questions like this — with Worked answers on every one.