Classification of Tillage

A) Primary tillage:

• The operations performed to open up any cultivable land with a view to prepare a seed bed for growing crops is known as primary tillage.
• designed to reduce soil strength, cover plant materials and rearrange aggregates.
• implements include mould-board plough, disc plough, subsoil plough, chisel plough and other similar implements.

B) Secondary tillage:

• Secondary tillage consists of conditioning the soil to meet the different tillage objectives of the farm.
• The implements include different types of harrow, cultivators, levellers, clod crushers etc.