WAEC - Agricultural Science (2024 - No. 5)
A major difference between disc harrow and a disc plough is that
disc plough has more discs than disc harrow
discs in disc plough are spaced far apart than in disc harrow.
disc plough has two pairs of gangs while disc harrow has one pair of gangs
disc plough has smaller discs than disc harrow.
Explanation
A disc plough is designed for primary tillage ans has two sets of discs arranged in pairs which helps in turning over the soil.
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