Environmental Impact of Rangeland Management, Wad Omer - Khartoum

The term “tillage” embraces a range of operations applied prior to sowing, to prepare the soil for crop growth. These operations are using various types of implements and machinery to loosen, invert, and mix the soil, modify the surface configuration, change aggregate size, incorporate materials (fertilisers, manure, crop residues, etc.), eradicate weeds, and form openings for seed placement.