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Agronomy QUESTION #2017
Question 1
Primary tillage differs from secondary tillage in that primary tillage:
  • Is performed closer to sowing time with lighter implements
  • Breaks the soil to greater depths and is performed soon after harvest of the previous crop✔️
  • Is exclusively used for inter-row cultivation during crop growth
  • Involves only the surface 2–3 cm of soil
Correct Answer Explanation
Primary tillage refers to deep initial tillage (e.g., moldboard or disc plowing) performed after harvest to break up compacted soil. Secondary tillage involves shallower, finer operations (harrowing, leveling) performed closer to sowing to refine the seedbed.