Primary tillage is also known as
...Primary tillage is also known as
Ploughing
Harrowing
Stumping
Ridging
Correct answer is A
Ploughing is cutting through the soil and making it into lumps or clods of soil. It is called primary tillage. While secondary tillage (harrowing) is the use of harrow to break down the large clods of soil into fine particles and making it ready for ridging.
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