Introduction

• It is defined as mechanical manipulation of soil to provide favorable condition for crop production.
• Tilling of soil refer as breaking the compact surface of earth to a certain depth and to loosen the soil mass, so as to enable the roots of the crops to penetrate and spread into the soil.

Objectives of tillage

• To obtain deep seed bed, suitable for different type of crops.
• To add more humus and fertility to soil by covering the vegetation.
• To destroy and prevent weeds.
• To aerate the soil for proper growth of crops.
• To increase water-absorbing capacity of the soil.
• To destroy the insects, pests and their breeding places and
• To reduce the soil erosion.